Growing community of inventors

New Hope, MN, United States of America

David J Ruha

Average Co-Inventor Count = 1.78

ph-index = 4

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 = 83

David J RuhaDavid R Henke (4 patents)David J RuhaSteven L Thompson (1 patent)David J RuhaWilliam G Laramy (1 patent)David J RuhaBenjamin E Nielsen (1 patent)David J RuhaDavid J Ruha (8 patents)David R HenkeDavid R Henke (31 patents)Steven L ThompsonSteven L Thompson (14 patents)William G LaramyWilliam G Laramy (1 patent)Benjamin E NielsenBenjamin E Nielsen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Warner Manufacturing Company (8 from 37 patents)


8 patents:

1. 10086977 - Holding device for fluid medium

2. D823090 - Tool handle

3. 9539601 - Shield device with pivotable handle and method of use

4. 6604881 - Applicator head

5. 5398809 - Tool kit with projecting tool handle

6. 5257695 - Tool kit with projecting tool handle

7. D320921 - Wallstripper tool

8. D310012 - Hand-held sander

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as of
12/7/2025
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