Growing community of inventors

Spring Lake, MI, United States of America

Jeffrey Allen Kempker

Average Co-Inventor Count = 1.56

ph-index = 5

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 = 177

Jeffrey Allen KempkerOrville V Crain (4 patents)Jeffrey Allen KempkerMatthew Jon Jacobs (4 patents)Jeffrey Allen KempkerMatthew Tobias Jacobs (3 patents)Jeffrey Allen KempkerOrville Crain (3 patents)Jeffrey Allen KempkerJeffrey Allen Kempker (13 patents)Orville V CrainOrville V Crain (5 patents)Matthew Jon JacobsMatthew Jon Jacobs (4 patents)Matthew Tobias JacobsMatthew Tobias Jacobs (32 patents)Orville CrainOrville Crain (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Klever Kutter, LLC (3 from 4 patents)

2. Other (2 from 832,680 patents)

3. Klever Kutters LLC (1 from 1 patent)


13 patents:

1. 12280514 - Handheld safety knife

2. 12263610 - Safety utility blades, assemblies and methods of manufacturing

3. D985352 - Blade cartridge for a handheld safety knife

4. D985351 - Handle for a handheld safety knife

5. D958629 - Handheld safety knife

6. D958628 - Handheld safety knife

7. D958630 - Handheld safety knife

8. 11052552 - Safety utility blades, assemblies and methods of manufacturing

9. 10442093 - Safety utility blades, assemblies and methods of manufacturing

10. D673440 - Cutter

11. D639631 - Handle

12. D527604 - Cutter

13. D521844 - Cutter

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as of
12/4/2025
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