Growing community of inventors

Sturgis, MI, United States of America

Earl H Koepke

Average Co-Inventor Count = 1.25

ph-index = 8

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 349

Earl H KoepkeMarcus C Koepke (3 patents)Earl H KoepkeAlan R Reichard (1 patent)Earl H KoepkeEarl H Koepke (10 patents)Marcus C KoepkeMarcus C Koepke (3 patents)Alan R ReichardAlan R Reichard (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gf Business Equipment, Inc. (3 from 26 patents)

2. Harter Corporation (3 from 21 patents)

3. Kimball International Marketing, Inc. (2 from 2 patents)

4. Other (1 from 832,880 patents)

5. Leggett & Platt, Inc. (1 from 189 patents)


10 patents:

1. 5486035 - Occupant weight operated chair

2. 5314237 - Reclining chair

3. 5308145 - Reclining chair

4. D318588 - Chair control

5. D249761 - Chair

6. D249762 - Chair

7. 4084699 - File unit

8. D245313 - Dual wheel caster

9. D244892 - Swivel chair

10. 3983614 - Method for producing a chair

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as of
1/3/2026
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