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For the Inventor, By the Inventor

Hamburg, Germany

Rotring-Werke Riepe Kg

Calculating rank
USPTO Granted Patents = 8

Forward Citations = 59

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17 inventors (with patents filed for the assignee):

goldMedal Gerold Anderka (2 out of 22 patents)

silverMedal Walter Jozat (2 out of 10 patents)

bronzeMedal Jurgen Rathenberg (2 out of 2 patents)

4.  Matthias Brenke (1 out of 1 patent)

5.  Detlef Koch (1 out of 2 patents)

6.  Steffen Wunsche (1 out of 3 patents)

7.  Petra Maurer (1 out of 2 patents)

8.  Horst Eising (1 out of 1 patent)

9.  Thomas Hentze (1 out of 1 patent)

10.  Ronald Broers (1 out of 1 patent)

11.  Klaus Nicolai (1 out of 1 patent)

12.  Gerald Anderka (1 out of 1 patent)

13.  Klaus Straszewski (1 out of 5 patents)

14.  Eduard Schutt (1 out of 1 patent)

15.  Wolfgang Puritz (1 out of 1 patent)


8 patents:

1. 5494082 - Plastic filler insert for a writing fluid converter (1996-02-27),
2. 5406991 - Plastic filler insert for a writing fluid converter (1995-04-18),
3. D339606 - Fountain pen (1993-09-21),
4. 5211495 - Tubular writing instrument with suction vent (1993-05-18),
5. 4931093 - Marker or felt tip pen (1990-06-05),
6. 4854205 - Sign cutting device (1989-08-08),
7. 4549828 - Writing instrument with separable compensating means (1985-10-29),
8. 4173020 - Automatic drafting instrument with stylographic pen (1979-10-30),
Company Overview
Rotring-werke Riepe Kg is a German company specializing in the production of high-quality writing instruments and technical drawing tools. Their products are known for their precision, durability, and sleek design. With decades of experience in the industry, Rotring-werke Riepe Kg continues to be a trusted name among artists, architects, and professionals worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

8 Patents

#106 in Hamburg

#4,427 in Germany

Hamburg, DE
Hamburg, Germany

Rotring-Werke Riepe Kg

Forward Citations = 59

17 inventors:

goldMedal Gerold Anderka (2 out of 22 patents)

silverMedal Walter Jozat (2 out of 10 patents)

bronzeMedal Jurgen Rathenberg (2 out of 2 patents)

4.  Matthias Brenke (1 out of 1 patent)

5.  Detlef Koch (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rotring-Werke Riepe Kg. Retrieved from https://idiyas.com/company/rotring-werke-riepe-kg

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]
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