John Parkhurst
6Patents
6h-index
14Co-inventors
56Inventor score
Filing activity: Feb 23, 1993 → Jan 17, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7661226B2 | Installation method for a storm door | Fixed Constructions | 23 | Active |
| US5318081A | Hydraulic tree trimmer | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7117639B2 | Reversible door having mortise hardware | Fixed Constructions | 13 | Expired |
| USD361137S | Combined glass door panel and trim | General | 9 | Expired |
| USD678032S1 | Handle | General | 9 | Active |
| USD402378S | Glass door with brass trim and beveled facets | General | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.