% Expired Patents = 25.0

Forward Citations = 26

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11 inventors (with patents filed for the assignee):

Siegfried Bernhardt (6 out of 9 patents)

Heinz-Werner Naumann-Burghardt (3 out of 4 patents)

Robert Kamprath (3 out of 4 patents)

4. Dietrich Menzel (2 out of 2 patents)

5. Jurgen Andermann (1 out of 2 patents)

6. Werner Lasenga (1 out of 1 patent)

7. Horst Graute (1 out of 2 patents)

8. Wolfgang Uliczka (1 out of 1 patent)

9. Uwe Dierks (1 out of 1 patent)

10. Hans Schmiedgen (1 out of 1 patent)

11. Otto Strobl (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 7152278 - Nonwoven card for the production of nonwoven fabric of fiber material (2006-12-26),

2. 7003853 - Intermediate card for manufacturing nonwovens of fibrous material as well as method for manufacturing nonwovens of fibrous material (2006-02-28),

3. 6729465 - Plant and a method for transporting textile fabrics (2004-05-04),

4. 6073313 - Intermediate card and a web-production process (2000-06-13),

5. 5839166 - Carding machine and process for producing an aerodynamic card web (1998-11-24),

6. 5297316 - Apparatus for producing fiber material or the like with a precise feed (1994-03-29),

7. 4589167 - Apparatus for introducing a pile into a following roller system (1986-05-20),

8. 4523350 - Carder for manufacturing non-woven, formed fabric from fibrous substances (1985-06-18),

Company Overview

Spinnbau GmbH is a leading manufacturer of high-quality textile machinery and equipment. With over 50 years of experience in the industry, Spinnbau offers innovative solutions for spinning, weaving, and finishing processes. Their products are known for their reliability, efficiency, and precision, making them a preferred choice for textile manufacturers worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#24 in Bremen

#4,424 in Germany

Bremen, Germany

Spinnbau Gmbh

Forward Citations = 26

11 inventors:

Siegfried Bernhardt (6 out of 9 patents)

Heinz-Werner Naumann-Burghardt (3 out of 4 patents)

Robert Kamprath (3 out of 4 patents)

4. Dietrich Menzel (2 out of 2 patents)

5. Jurgen Andermann (1 out of 2 patents)

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

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]