Forward Citations = 398

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3 inventors (with patents filed for the assignee):

Peter Worwag (14 out of 28 patents)

Jurgen Jonischus (2 out of 4 patents)

Peter Wo/ Rwag (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 5920939 - Floor cleaning apparatus having a rotating brush roller (1999-07-13),

2. 5701633 - Vacuum cleaning device with a suction nozzle (1997-12-30),

3. D381479 - Vacuum cleaner (1997-07-22),

4. 5617611 - Suction line assembly (1997-04-08),

5. 5611109 - Cleaning roller for the suction head of a vacuum cleaning device (1997-03-18),

6. 5558210 - Microswitch (1996-09-24),

7. 5551119 - Vacuum cleaning tool with electrically driven brush roller (1996-09-03),

8. D371654 - Vacuum cleaner (1996-07-09),

9. 5500979 - Vacuum cleaner (1996-03-26),

10. 5416948 - Vacuum cleaning tool for wet and dry vacuum cleaners (1995-05-23),

11. 5412837 - Vacuum cleaner (1995-05-09),

12. 5369839 - Vacuum cleaner (1994-12-06),

13. 5293665 - Nozzle mechanism for a vacuum cleaner (1994-03-15),

14. D344376 - Vacuum cleaner (1994-02-15),

15. 5267370 - Suction device for liquids (1993-12-07),

Company Overview

Firma Fedag is a Swiss company based in Romanshorn, specializing in the development and manufacturing of high-quality industrial solutions. The organization focuses on precision engineering and innovative technologies, catering to various sectors including automotive, aerospace, and machinery. With a commitment to excellence, Fedag emphasizes research and development to enhance product performance and reliability, positioning itself as a key player in the competitive landscape of advanced manufacturing in Switzerland and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

17 Patents

#5 in Romanshorn

#724 in Switzerland

#35,948 in the World

Romanshorn, Switzerland

Firma Fedag

Forward Citations = 398

3 inventors:

Peter Worwag (14 out of 28 patents)

Jurgen Jonischus (2 out of 4 patents)

Peter Wo/ Rwag (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Firma Fedag. Retrieved from https://idiyas.com/company/firma-fedag

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]