Growing community of inventors

Harrison, OH, United States of America

Douglas R Harper

Average Co-Inventor Count = 2.87

ph-index = 6

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 = 115

Douglas R Harper ↔ Tony Michael Guard (5 patents)Douglas R Harper ↔ Joseph Robert Stephens (3 patents)Douglas R Harper ↔ Gary S Bass (2 patents)Douglas R Harper ↔ James Louis Tobergta (2 patents)Douglas R Harper ↔ Min-Hsieng Wang (1 patent)Douglas R Harper ↔ Darrin W Wilmes (1 patent)Douglas R Harper ↔ Berlie E Parks (1 patent)Douglas R Harper ↔ David O Shumate (1 patent)Douglas R Harper ↔ Matthew D Bantly (1 patent)Douglas R Harper ↔ James Louie Tobergtan (1 patent)Douglas R HarperDouglas R Harper (8 patents)Tony Michael GuardTony Michael Guard (24 patents)Joseph Robert StephensJoseph Robert Stephens (8 patents)Gary S BassGary S Bass (26 patents)James Louis TobergtaJames Louis Tobergta (8 patents)Min-Hsieng WangMin-Hsieng Wang (8 patents)Darrin W WilmesDarrin W Wilmes (7 patents)Berlie E ParksBerlie E Parks (6 patents)David O ShumateDavid O Shumate (3 patents)Matthew D BantlyMatthew D Bantly (1 patent)James Louie TobergtanJames Louie Tobergtan (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Campbell Hausfeld/scott Fetzer Company (8 from 136 patents)


8 patents:

1. D636409 - Compressor

2. D536707 - Air compressor

3. D536007 - Air compressor

4. D507279 - Compressor shroud

5. D497917 - Compressor shroud

6. D495717 - Control panel for a compressor

7. D489736 - Control panel for a compressor

8. D475721 - Compressor shroud

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idiyas.com
as of
12/7/2025
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