Forward Citations = 93

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10 inventors (with patents filed for the assignee):

Burckhard Becker (4 out of 104 patents)

Heinz Bauer (4 out of 31 patents)

Ernst-Reiner Frohnhaus (3 out of 39 patents)

4. Josef Klink (1 out of 16 patents)

5. Ernst-Reinhard Frohnhaus (1 out of 1 patent)

6. Heinz Bauer (1 out of 1 patent)

7. Burckhard Becker (1 out of 1 patent)

8. Ernst-Reinhard Frohnhaus (1 out of 1 patent)

9. Alfred Gedig (1 out of 8 patents)

10. Antonin Koucky (1 out of 6 patents)

5 patents: Sort by Forward Citations

1. 5593209 - Locking device for a longitudinal-adjustment device of a vehicle seat (1997-01-14),

2. 5466047 - Back-rest hinge for a vehicle seat with a seat support and a back-rest (1995-11-14),

3. 5352019 - Motor vehicle seat movable in the longitudinal direction in the tipped (1994-10-04),

4. 5338119 - Longitudinal guide for longitudinal adjustment devices for vehicle seats (1994-08-16),

5. 4790597 - Vehicle seat with a longitudinal guide, with an adjustment of height or (1988-12-13),

Firma C. Rob. Hammerstein GmbH is a leading manufacturer of high-quality tools and equipment for the construction industry. With over 100 years of experience, the company is known for its innovative products and commitment to customer satisfaction. From hammers and chisels to power tools and safety gear, Firma C. Rob. Hammerstein GmbH offers a comprehensive range of solutions for professionals and DIY enthusiasts alike.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

5 Patents

#175 in

#6,093 in Germany

DE

Firma C. Rob. Hammerstein Gmbh