Forward Citations = 32

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5 inventors (with patents filed for the assignee):

Werner Handl (1 out of 13 patents)

Heinrich Schnorrer (1 out of 1 patent)

Hans-Dieter Rosel (1 out of 3 patents)

4. Rupert Englbrecht (1 out of 1 patent)

5. Peter Dzuik (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 4634306 - Writing point for writing or recording instruments and process for its (1987-01-06),

2. 4485520 - Foamed rubber erasers and process for the production thereof (1984-12-04),

3. 4336071 - Kneading and modeling compound and the use thereof (1982-06-22),

4. 4325072 - Writing device control apparatus (1982-04-13),

Company Overview

Firma J. S. Staedtler is a German company known for manufacturing writing instruments, office supplies, and art products. Founded in 1835, Staedtler has built a reputation for high-quality, innovative products that cater to the needs of customers worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#60 in Nuremberg

#7,037 in Germany

Nuremberg, Germany

Firma J. S. Staedtler

Forward Citations = 32

5 inventors:

Werner Handl (1 out of 13 patents)

Heinrich Schnorrer (1 out of 1 patent)

Hans-Dieter Rosel (1 out of 3 patents)

4. Rupert Englbrecht (1 out of 1 patent)

5. Peter Dzuik (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Firma J. S. Staedtler. Retrieved from https://idiyas.com/company/firma-j-s-staedtler

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]