Phillip A. Johnson
13Patents
7h-index
10Co-inventors
63Inventor score
Filing activity: Mar 8, 1978 → Feb 3, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5573249A | Card game | Human Necessities | 115 | Expired |
| US6652941B1 | Grip element and method of manufacture thereof | Emerging Cross-Sectional Technologies | 48 | Expired |
| US7141197B2 | Grip element | Emerging Cross-Sectional Technologies | 20 | Expired |
| USD618825S1 | Hollow metal doorframe snap-in grout strip | General | 17 | Expired |
| USD620658S1 | Paint scraper | General | 10 | Expired |
| USD636131S1 | Roofer's knee pad with tool and accessory compartments | General | 9 | Expired |
| USD254560S | Crib toy or similar article | General | 7 | Expired |
| USD261970S | Display device | General | 6 | Expired |
| USD649868S1 | Window and countertop protection board | General | 5 | Expired |
| USD635395S1 | Cooler top lock | General | 3 | Expired |
| USD684812S1 | Cooler top lock | General | 3 | Active |
| USD606374S1 | Transparent grease gun | General | 0 | Expired |
| US7413391B2 | Cotter pin | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.