Growing community of inventors

Fargo, ND, United States of America

Fred W Eisenhardt

Average Co-Inventor Count = 1.25

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 = 55

Fred W EisenhardtWayne S Tonsfeldt (2 patents)Fred W EisenhardtFred W Eisenhardt (5 patents)Wayne S TonsfeldtWayne S Tonsfeldt (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alloway Manufacturing (4 from 9 patents)

2. Other (1 from 832,891 patents)


5 patents:

1. 4049058 - Sugar beet harvester

2. 4027733 - Weed pulling machine

3. 4019755 - Hitch assembly for mounting a transverse beam on a three-point hitch

4. 4002206 - Ditcher

5. 3998275 - Earthworking implement and row guide apparatus

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as of
12/31/2025
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