Sigmatex, A.g.

USPTO Granted Patents = 9

Forward Citations = 73

Loading Chart...

4 inventors (with patents filed for the assignee):

Per Olaf Weman (5 out of 6 patents)

Harald Martin Schmelow (3 out of 4 patents)

Per Olof Weman (3 out of 6 patents)

4. Per-Olaf Weman (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 4109935 - Flap buckle (1978-08-29),

2. 4065069 - Emergency locking retractor (1977-12-27),

3. 4059287 - Safety belt for motor vehicles (1977-11-22),

4. 4039158 - Ball actuated inertia device (1977-08-02),

5. 4005904 - Run through bracket (1977-02-01),

6. 4004751 - Safety belt inertia retractor and backing device (1977-01-25),

7. 3999722 - Safety belt retractor with dual sensitive, commonly mounted, actuating (1976-12-28),

8. 3977701 - Safety belt for motor vehicles (1976-08-31),

9. 3955774 - Belt winder for safety belts (1976-05-11),

Company Overview

Sigmatex is a leading manufacturer of carbon fiber textiles for composite material applications. With a global presence and a reputation for quality, innovation, and sustainability, Sigmatex serves industries such as aerospace, automotive, and sports and leisure. Their advanced materials are designed to enhance performance, reduce weight, and improve overall efficiency.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#3 in

#3,124 in C

C

Sigmatex, A.g.

Forward Citations = 73

4 inventors:

Per Olaf Weman (5 out of 6 patents)

Harald Martin Schmelow (3 out of 4 patents)

Per Olof Weman (3 out of 6 patents)

4. Per-Olaf Weman (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sigmatex, A.g.. Retrieved from https://idiyas.com/company/sigmatex-a-g

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]