15 patents in this list

Updated:

In the fast-paced world of mobile technology, adaptability is crucial. Mobile phone users seek protective cases that not only shield their devices but also offer flexibility and customization. Interchangeable components in phone cases address this demand, allowing users to modify their cases based on changing needs and preferences. These components enable seamless integration of features like enhanced protection, additional storage, or aesthetic changes, all while maintaining device functionality.

Designing these cases involves overcoming several challenges, such as ensuring secure attachment of components, maintaining waterproof integrity, and achieving compatibility with various device models. Each element must fit perfectly, withstand wear and tear, and offer ease of use without compromising the device's safety. These challenges require innovative engineering approaches to create a balance between functionality and user convenience.

This page explores a range of solutions from recent research, showcasing modular designs that allow for easy assembly and disassembly, waterproofing techniques that preserve device integrity, and expandable components that adapt to multiple devices. These engineering approaches enhance user experience by providing customizable, reliable, and efficient protective solutions for mobile devices.

1. Protective Mobile Device Case with Modular Rear Compartment and Multiple Accessory Attachment Slots

Andre Lamont Chenier, 2022

This is a protective case for mobile devices that provides modular, customizable attachment points for accessories. The case has an inner and outer wall that forms a rear compartment on the back of the device. The rear compartment has multiple slots to receive adaptor modules that connect the case to various peripherals. The modular design allows for the simultaneous attachment of diverse accessories to the case without the need to remove the case.

2. Mobile Phone Case with Interference Fit Waterproof Structure and Assembly-Indicating Barbs

Yanghua Yu, Zhenxiang Liu, 2021

This is a mobile phone protective case with a novel waterproof structure that allows frequent assembly and disassembly without affecting waterproofing. The case has an upper and lower cover, sealing grooves, sealing surfaces, and barbs, creating an interference fit for waterproofing. The barbs prevent over-tightening and allow visual confirmation of proper assembly.

3. Mobile Device Case with Adjustable Expandable Components for Variable Device Dimensions

ADVANCED WIRELESS INNOVATIONS, LLC, 2021

A mobile device case that can adapt to fit different-sized and shaped mobile devices, allows the same case to be used across multiple devices. The case has expandable components that can be adjusted to accommodate various device sizes and shapes. The expandable case includes non-expandable components that form the main structure and expandable components that connect the non-expandable components and allow them to expand. This provides flexibility to fit different devices without needing different cases.

US10924150B2-patent-drawing

4. Modular Protective Case with Rear Compartment Mating Structures for Accessory Integration

Andre Lamont CHENIER, 2020

A modular protective case for electronic devices like smartphones and tablets that enables seamless integration with various accessories without needing to be removed. The case has a rear compartment formed by an inner wall that contacts the device's back surface and an outer wall. The rear compartment provides mating structures that allow diverse accessories and peripherals to be attached to the protective case with a high degree of modularity, easy accessibility, and functionality.

5. Waterproof Smartphone Case with Swappable Lenses on Internal Track System

CRAIG HERMAN, 2020

A waterproof smartphone case that can have different lenses easily swapped into it. The case has a watertight seal that protects the phone from water damage when closed. It has an internal track where lenses can slide in and out. The lenses include options like magnifying, prescription, anti-glare, or privacy lenses. They are made of conductive material to maintain touchscreen functionality.

US20200099414A1-patent-drawing

6. Protective Case with Detachable Hard Frame and Interlocking Rib-Groove Connection

SPIGEN KOREA CO., LTD., 2020

A protective case for an electronic device like a mobile phone, comprising a soft cover with a hard frame that wraps around it. The hard frame has disconnecting ends and mating features to attach to the soft cover. The frame can be removed from the cover. A rib on the frame fits into a groove on the cover to reinforce the connection. The detachable frame allows for separate manufacturing of the case components and provides structural reinforcement at the connecting ends.

US10594353B2-patent-drawing

7. Protective Case System with Multi-Position Interconnectable Attachment Mechanisms

Richard P. Rizzuto, 2020

A protective case system for electronic devices like phones and tablets allows two cases to be connected in different positions while keeping the devices attached and protected. The cases have attachment mechanisms on the sides and back that can connect to corresponding mechanisms in the other case. This enables various configurations, such as side-by-side, back-to-back, and rotated orientations.

US10577151B2-patent-drawing

8. Protective Case with Main Frame Unit Featuring Inner Ring Surface Recess with Groove and Flat Regions

EVOLUTIVE LABS CO., LTD., 2020

Protective case for handheld electronic devices that enables easy molding and demolding of the case components. The case has a main frame unit with an inner ring surface and an outer ring surface, defining an accommodation space for the device. The inner ring surface has a recess with at least one groove region and at least one flat region. The groove region is recessed toward the bottom surface of the case and adjacent to it.

US20200046095A1-patent-drawing

9. Mobile Device Case with Interchangeable Design Insert Slot Mechanism

Sam Lombardo, 2019

This is a mobile device case with changeable design inserts. The case has an outer rim and a back cover that is attached to the mobile device. They form a slot between them where design inserts can be inserted and locked in place. The inserts have graphics that can be easily swapped to change the case design without replacing the entire case.

10. Protective Case with Detachable Stretchable Storage Compartment and Integrated Attachment Mechanism

Cesar Zavala, 2019

Protective case for electronic devices that has a stretchable, detachable storage compartment on the back. The case has points of attachment and securing means on its back surface. The stretchable compartment has corresponding attachment points and securing means to connect it securely to the case. The stretchable material of the compartment allows it to expand and accommodate various items like cards, keys, etc. The compartment can be detached when not needed.

11. Mobile Device Case with Adjustable Interchangeable Finger-Grip Strap and Sliding Track Mechanism

JARROD MALLORY, MARIANNE MALLORY, 2019

Interchangeable finger-grip case for a mobile device with a flexible strap that can be attached and adjusted to provide a secure grip. The case has openings to attach the strap, allowing it to form a loop that adjusts in size as one end slides along a track. This allows the user to insert their fingers through the loop to securely hold the device without dropping it. The strap can also fold flat against the case. The strap is detachable and can be switched with different straps or inserts to customize the grip.

US20190246756A1-patent-drawing

12. Mobile Device Case with Interchangeable Modular Frame System

Fidlco, LLC, 2019

Modular mobile device cases that can be customized with interchangeable modules to add functionality beyond simple device protection. The cases have slots on the back panel that can hold modular frames. These frames can receive various modules like cameras, batteries, speakers, etc. The modular accessories can be easily swapped out or removed to allow users to customize their case with the modules they find most useful.

US20190069656A1-patent-drawing

13. Protective Case Assembly with Interlocking Protrusion and Groove Connection for Handheld Devices

EVOLUTIVE LABS CO., LTD., 2019

Protective case assembly for handheld devices that provides a secure and detachable connection between the main casing and removable backplate. The connection uses protrusions on the backplate that engage grooves in the main casing. The protrusions on the backplate have smaller protrusions that fit into grooves in the main casing. This creates an interlocking connection that prevents the backplate from sliding off if the handheld device is moved.

14. Protective Case System with Rail and Channel Mechanism for Detachable Accessory Modules

Otter Products, LLC, 2018

A customizable protective case system for electronic devices that allows attaching and detaching accessory modules like cameras, batteries, speakers etc. The protective case has a rail and channel mechanism on the back that allows sliding accessory modules on and off. The accessory modules also have a rail and channel that attach to the protective case. They lock together with a snap feature but can be easily removed. The protective case has openings for device features like the touchscreen and camera so they can be used while the device is inside.

US10058155B2-patent-drawing

15. Modular Protective Case with Interchangeable Sections for Personal Electronic Devices and Accessories

Seek Thermal, Inc., 2018

A protective case for personal electronic devices (PEDs) like smartphones that provides protection when used both with and without plug-in accessories like thermal cameras. The case has interchangeable sections including a main section that covers the PED and additional sections for enclosing the accessory. The sections can be swapped to cover the PED alone or the PED with accessory.

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These patents provide a variety of methods for detachable smartphone case components. These consist of easily changeable pieces that may be used with a variety of devices, modular designs that enable extras to be attached, and waterproof casings that snap together.