116 patents in this list

Updated:

Content security breaches often begin with microscopic vulnerabilities in packaging systems. Current data shows that up to 15% of sensitive material losses occur through physical containment failures, with traditional sealing methods showing particular weakness at connection points and material interfaces where stresses concentrate.

The fundamental challenge lies in creating containment systems that maintain perfect seals under normal use while still allowing authorized access—essentially engineering selective permeability at the system level.

This page brings together solutions from recent research—including fluorescence-based leak detection systems, cross-oriented dual-sleeve wrapping mechanisms, and integrated ventilation channels with segmented openings. These and other approaches focus on practical implementation across different containment scenarios while maintaining security throughout the product lifecycle.

1. Leakage Detection Device for Sealed Bags Using Contact and Fluorescence Sensing

MORINAGA MILK INDUSTRY CO LTD, アンリツ株式会社, 森永乳業株式会社, 2025

Packaging inspection device that can detect leakage of contents from sealed bags without applying voltage or using gas filling equipment. The device has a contact device that touches the bag and a fluorescence detection device that checks for leaked fluorescent material. When contents leak from a punctured bag, they attach to the contact surfaces. The fluorescence detector finds the leaked fluorescent material on the contact surfaces, indicating a leak. This prevents new holes by avoiding voltage and allows accurate leak detection regardless of bag or contents color.

2. Automated System for Dual-Sleeve Cross-Oriented Wrapping of Mail Items

BUHRS PACKAGING SOLUTIONS B V, BUHRS PACKAGING SOLUTIONS BV, 2025

Automated method and arrangement for wrapping two sleeves around a mail item, like a magazine, to securely hold the contents without fully enclosing it. The mail item is transported through two wrapping sections, one wrapping perpendicularly and the other parallel to the transport direction. This cross-oriented wrapping stabilizes the item and prevents separation of pages. The sleeves can directly contact at the top and bottom of the item.

WO2025014371A1-patent-drawing

3. Plastic Tube with Integrated Ventilation Channel and Segmented Vent Openings for Packaging Containers

W GRÖNING GMBH & CO.KG, 2025

A plastic tube for producing packaging containers with integrated ventilation, like FFS bags, that allows efficient venting of the containers without escaping contents. The tube has an inlet strip connected to the flat film and a venting channel formed between them. The strip has vent openings in the middle, and the film has vent openings at top and bottom. This configuration prevents escaping particles while allowing venting. The channel is divided into sub-segments connected by seams. The vent openings are numerous and predominantly at the ends.

4. Press-In Bottle Adapter Removal and Replacement Tool with Key-Actuated Protrusion Mechanism

EXPRESS SCRIPTS STRATEGIC DEVELOPMENT INC, 2025

Tool to easily remove and replace press-in bottle adapters from medication bottles without damaging the bottle or spilling the medication. The tool has a removable cap that fits over the bottle opening and a key with a protrusion that extends through the cap aperture. The key's actuator engages the cap to drive the protrusion into the adapter's stopper. This locks the adapter in place. To remove, the actuator translates to disengage the cap and protrusion. The cap is then detached to extract the adapter. The tool avoids direct contact with the adapter and bottle threads, preventing damage or spillage.

5. Feeder Apparatus with Overlapping Conveyors and Elongated Knife for Fish Pat Formation

JOHN BEAN TECHNOLOGIES SPA, GIULIESE GREGORIO, 2025

A feeder apparatus for consistently feeding fish into canning machines without waste or damage. The feeder uses a forming station with overlapping upper and lower conveyors that compress the fish into a desired thickness. An elongated knife cuts the fish into a pat width. A movable wall forms the other side. A support conveyor advances the formed pats to a takeaway conveyor. This confined feeding reduces fish movement, preventing crumbling and loss. The formed pats are advanced into the canning machine.

WO2025008750A1-patent-drawing

6. Filling Valve Structure with Piston and Plunger Assembly for Refillable Spray Bottle

陈灿辉, CHEN CANHUI, 2025

A filling valve structure for a refillable spray bottle that allows easy filling of liquid into the bottle without leakage. The structure has a partition at the bottom of the bottle with a central through-hole. A piston assembly is placed in the partition. It has a liquid injection hole and an exhaust hole. The exhaust hole has a plunger that extends into it. When filling, the piston moves up, the plunger seals the exhaust hole, and the air escapes through the main hole. This prevents liquid from leaking. A return spring pushes the piston back down.

WO2025002230A1-patent-drawing

7. Powder Bed Fusion System with Rotating Annular Build Plate and Angled Recoaters for Efficient Powder Consolidation

RTX CORP, 2025

Powder bed fusion (PBF) additive manufacturing system optimized for making annular parts like gas turbine compressor stages. The system has a rotating annular build plate and specialized components to efficiently consolidate powder without waste. The build head delivers powder, recoaters pack it, and an optical array sinter's it. The recoater segments are angled relative to the rotation axis. This allows uniform packing of annular beds without tracking over unconsolidated areas. The annular plate also has inner/outer walls with apertures to collect excess powder during rotation. The recoater directs it to a reservoir. This reduces unconsolidated powder and non-productive tracking compared to rectangular plates.

8. Bottle Shaker with Enclosed Rotating Capsules and Inner Cushioning for Sealed Sample Mixing

주식회사 지성기공, JISEONG ENGINEERING CO LTD, 2024

Bottle shaker with enclosed capsule to mix samples without leakage or instability. The shaker has a chamber with multiple rotating capsules that receive sealed bottles containing samples. The capsules have inner cushioning to support the bottles. A rotating device inside the chamber connects the capsule shafts and provides power to rotate them. This allows mixing samples inside sealed bottles without exposing them to the external environment. The capsules prevent leakage and provide stable sample support during high-speed rotation.

KR20240178732A-patent-drawing

9. Packaging Container with Cap-Integrated Membrane Cutting Mechanism

KOREA GINSENG CORP, 주식회사 한국인삼공사, 2024

A packaging container with a cap that automatically cuts the sealing membrane when opened, eliminating the need for separate cutting tools. The cap has protrusions that engage guides in the container body. As the cap is removed, the protrusions cut the sealing membrane around the opening. The guides have a shape that causes the protrusions to penetrate and cut the membrane. This allows the container to be opened without separate cutting tools and prevents membrane fragments from contaminating the contents.

10. Packaging Box with Hinged Lid and Wing Protrusions for Controlled Opening

박진아, PARK JINAH, 2024

Packaging box for stick products like candy, medicine, or coffee that prevents spilling when opening. The lid has wings that extend at a right angle when opened, stopping fully. The wings have protrusions that interfere with the inner wall when rotating, preventing complete lid opening. A guide groove faces the wall and a protrusion inserts there to prevent lid rotation. This keeps the lid partially open to remove sticks while stopping spilling.

KR20240178385A-patent-drawing

11. Two-Layer Food Packaging Container with Integrated Inner Tray and Flange-Fit Lid System

DONGGUAN CENTRAL CHEMICAL CO LTD, 東莞中央化学有限公司, 2024

Two-layer food packaging container with a built-in inner tray that reduces manufacturing costs and prevents spills and odor mixing during transportation. The container has an outer container body, an inner tray fitted inside, and a lid that covers both. The inner tray has a flange fitting portion that connects to the outer container body flange. The lid has a straight side that abuts against the inner tray flange. This securely attaches the inner tray and outer container. The straight side prevents separation and spills. The flange fit helps prevent tray separation and mixing odors during transport.

12. Woven Pouch Bags with Angled Separations, End Cut-Outs, and Laminated Construction for Structural Integrity

POLYTEX FIBERS LLC, 2024

Woven pouch bags with features to prevent leakage, breakage, and infestation at the ends and gussets. The bags have angled or curved separations between sections, cut-outs and tabs at the ends, and weakened areas at the front wall. These features prevent tearing, puncturing, and separation when filled and opened. The bags also have laminated woven construction with a woven inner layer and a film outer layer, allowing recycling.

13. Food Packaging Container with Sloping Peripheral Wall and Integrated Stabilizing Legs

CHUO CHEMICAL CO LTD, 中央化学株式会社, 2024

A food packaging container with a unique design to prevent food from shifting or spreading inside the container while also allowing the contents to be easily viewed. The container has a sloping vessel wall that rises from the bottom all around the periphery, with a height difference of 5 mm or more between the bottom and the upper end of the wall. This prevents the food from moving around or spilling. The sloping wall allows the food to be seen, preventing it from getting hidden or trapped. The container also has legs protruding downward from the bottom to stabilize it. This design eliminates the need for separate internal containers or walls, which can be time-consuming and prone to misalignment.

14. Tissue Packaging Container with Divided Interior and Laser-Cut Groove in Laminated Polyethylene-Polypropylene-Shellac Structure

홍지욱, JEE-WOOG HONG, 2024

Environmentally friendly and convenient tissue packaging container that avoids contamination issues and reduces waste compared to conventional containers. The container has a divided interior with a cut groove separating two zones. The container is made by laminating layers of polyethylene, polypropylene, and a shellac polymer. The groove is formed by laser cutting. This allows easy opening without a separate sealing strip. The divided interior prevents adhesive seepage into the tissues. The container can be manufactured in one step by laminating and cutting instead of separate sealing steps.

15. Ink Bottle with Dual Spiral Thread Configuration for Impact-Resistant Sealing

CANON INC, キヤノン株式会社, 2024

An ink bottle with a unique thread design to prevent ink leakage if the lid is dropped or impacted. The thread on the bottle neck is divided into two separate spirals that form a continuous shape when viewed from the side. This split thread configuration allows the lid to separate cleanly from the bottle if impacted, preventing cracking or deformation that could leak ink. The split thread also has recesses between the spirals that create a continuous path for the thread to follow, preventing any gaps or gaps between the threads that could leak ink.

16. Dual-Chamber Water-Soluble Detergent Pouch with Partial Dispensing Capability

PROCTER & GAMBLE, THE PROCTER & GAMBLE CO, 2024

Automatic dishwashing detergent pouch with separate chambers that allows partial dispensing while keeping the rest of the pouch in the dispenser drawer. The pouch has a water-soluble film that forms two separate chambers. One chamber can be placed in the dispenser drawer and the other chamber hangs outside the drawer. This allows partial dispensing of the pouch contents into the dishwasher during the cycle while keeping the rest of the detergent inside the drawer.

US2024409852A1-patent-drawing

17. Bottle with Integrated Anti-Drip Mechanism in Neck Region

TECHNO FOR FUTURE SRL, 2024

A bottle with a screw cap and an integrated anti-drip device to prevent dripping when pouring. The anti-drip feature catches any drips that slide down the neck of the bottle as it is poured. This prevents the liquid from dripping and making a mess. The anti-drip device is integrated into the bottle design, likely attached to the neck area.

18. Dual-Chamber Water-Soluble Detergent Pouch with Dispenser Drawer Integration and External Hanging Configuration

PROCTER & GAMBLE, THE PROCTER & GAMBLE CO, 2024

Automatic dishwashing detergent pouch design that allows partial dispensing into the dispenser drawer while also hanging outside. The pouch has two separate chambers enclosed by water-soluble film. One chamber goes into the dispenser drawer and the other hangs outside. They are connected by a linking portion of water-soluble film. This allows partial dispensing into the dispenser while also having some detergent outside to prevent clogging.

US2024409858A1-patent-drawing

19. Pouch with Pressure-Resistant Zipper and Recessed Side Seal Steam Passage

TOPPAN HOLDINGS CO LTD, TOPPANホールディングス株式会社, 2024

Pouch for sealing contents with a zipper that can maintain the closure at higher pressures. The pouch has a steam passage recessed into the side seals. When pressure increases inside the pouch, this recessed area peels apart first, preventing the zipper from opening prematurely due to deformation. The steam passage is positioned away from the zipper to prevent zipper deformation. This allows the zipper to stay closed longer as the pouch expands.

20. Dosing Cap for Flexible Packaging with Raised Multi-Hole Dispensing Configuration

СТОЛЬНИКОВ ДЕНИС СЕРГЕЕВИЧ, STOLNIKOV DENIS SERGEEVICH, 2024

A dosing cap for flexible packaging like doypacks that reduces product sticking and allows controlled dispensing of food products. The cap has four holes in a row above the body surface that allow product to be extruded out in thin streams. This prevents product from contacting the cap surface and sticking, making it easier to dispense and reducing waste. The raised holes also increase the dispersion area compared to a single large stream. The cap screws onto the doypack and can be made from food-safe materials like PP.

21. Carbonated Beverage with Specific Compounds and Mineral Content for Reduced Gas Leakage

22. Bottle with Integrated Compartmentalized Dispensing System and Cotton Ball Holder for Nail Polish Remover

23. Removable Bottle Cap Drip Tray with Upstanding Inner Wall and Sealing Lid

24. Pump Dispenser with Airtight Sealing and Flexible Pouch System for Liquid Dispensing

25. Packaging Device with Variable Input Chute and Wing Plate Retraction Mechanism for Soupy Food Insertion

Request the full report with complete details of these

+96 patents for offline reading.