Growing community of inventors

Bethel, VT, United States of America

David M Christensen

Average Co-Inventor Count = 1.12

ph-index = 11

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 = 293

David M ChristensenEugene H Schuchert (2 patents)David M ChristensenBrian M Midlang (1 patent)David M ChristensenRichard N Walker (1 patent)David M ChristensenSamuel B McGuire, Sr (1 patent)David M ChristensenDavid M Christensen (17 patents)Eugene H SchuchertEugene H Schuchert (11 patents)Brian M MidlangBrian M Midlang (7 patents)Richard N WalkerRichard N Walker (2 patents)Samuel B McGuire, SrSamuel B McGuire, Sr (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (15 from 832,812 patents)

2. Amana Refrigeration, Inc. (2 from 82 patents)


17 patents:

1. 10781049 - Magnetic material handler

2. 7290657 - Truckbed tool box

3. 6652205 - Reversible, portable winch with bidirectional ratchet teeth for attachment to load-bearing structure

4. 6520723 - Rack with built-in winch component

5. 6203259 - Reversible portable winch with bidirectional ratchet teeth

6. 5513890 - Ladder utility rack and inner support beam

7. 5470120 - Base rail for utility rack

8. 5454612 - Pick-up truck rail with anchor slots

9. 5395019 - Portable utility container with latch and mount

10. 5393114 - Reversible utility rail and utility rack

11. 5337590 - Method and apparatus for bending tubes using split bend die

12. 5284041 - Method for bending tubes using split die

13. 5271127 - Quick fasten and release tie down device

14. 5255832 - Universal equipment mounts, enclosed mounts and mounting rails

15. 5238280 - Utility rack with enhanced rails

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as of
12/19/2025
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