Growing community of inventors

Ooltewah, TN, United States of America

Douglas R O'Hara

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 22

Douglas R O'Hara ↔ Paul Williams (6 patents)Douglas R O'Hara ↔ James T Hill (1 patent)Douglas R O'HaraDouglas R O'Hara (7 patents)Paul WilliamsPaul Williams (61 patents)James T HillJames T Hill (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gkn Sinter Metals Gmbh (1 from 76 patents)


7 patents:

1. 10773308 - Rotor and method of manufacturing rotor with equalized surface areas for grinding

2. D389719 - Pocket knife

3. D386961 - Handle for a pocket knife

4. D386960 - Handle for a pocket knife

5. D386061 - Handle for a pocket knife

6. D386060 - Pocket knife

7. D386059 - Pocket knife

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as of
12/13/2025
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