Forward Citations = 39

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3 inventors (with patents filed for the assignee):

Roland Blanz (3 out of 10 patents)

Hans Gruner (1 out of 1 patent)

Rolanz Blanz (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 4697822 - Control arrangement for raising and lowering the vehicle body of (1987-10-06),

2. 4673172 - Leveling valve with height limit (1987-06-16),

3. 4108081 - Arrangement for locking a freight container to a base, particularly a (1978-08-22),

4. 3982795 - Multi-circuit air-brake system, in particular for motor vehicles (1976-09-28),

5. 3941432 - Change-over valve for two-line trailer brake systems with at least one (1976-03-02),

Company Overview

Graubremse Gmbh is a leading manufacturer of high-quality braking systems for commercial vehicles. With a focus on innovation and reliability, the company offers a wide range of products including air disc brakes, brake pads, and brake calipers. Graubremse Gmbh is committed to providing safe and efficient solutions for the transportation industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#59 in Heidelberg

#6,098 in Germany

Heidelberg, Germany

Graubremse Gmbh

Forward Citations = 39

3 inventors:

Roland Blanz (3 out of 10 patents)

Hans Gruner (1 out of 1 patent)

Rolanz Blanz (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Graubremse Gmbh. Retrieved from https://idiyas.com/company/graubremse

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]