INNOVATION PROTECTED.
At CMK, innovation is at the heart of everything we create. Our patented technologies represent years of research, testing, and refinement—ensuring your instrument receives the highest level of protection available.
Every CMK case incorporates proprietary design elements that have been rigorously tested and legally protected across multiple jurisdictions worldwide.

Original Design
Patented structural innovations unique to CMK.

Advanced Materialien
Proprietary carbon fiber composite formulations.

Global Protection
Patente granted in Germany, EU, China, and the US.

Quality Assured
Every case meets our exacting standards.
OUR PATENTS

Germany
Patent No. 10 2022 123 456
Carbon fiber composite shell structure with integrated shock absorption system.
Granted: 2022-08-15

China
Patent No. CN 2022 1 0123456.7
Modular interior cushioning system for musical instrument cases.
Granted: 2023-03-20

Europe
Patent No. EP 3 876 543
Lightweight latch mechanism for carbon fiber instrument cases.
Granted: 2023-06-10

United States
Patent No. US 11,234,567
Method for manufacturing ultra-lightweight carbon fiber cases.
Granted: 2023-11-05
COMMITTED TO INNOVATION.
DEDICATED TO MUSICIANS.
Our design philosophy combines cutting-edge engineering with the practical needs of professional musicians. Every patent represents our commitment to pushing the boundaries of instrument protection.
Explore Our Design Philosophy →
