Keith Park
39Patents
13h-index
5Co-inventors
74Inventor score
Filing activity: Apr 3, 1995 → Sep 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD640197S1 | Battery pack | General | 45 | Expired |
| USD536480S1 | Lighter | General | 36 | Expired |
| USD681875S1 | Lighter | General | 30 | Active |
| US5490389A | Combustor having enhanced weak extinction characteristics for a gas turbine engine | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6298856A | Lighter with cigar cutter | Human Necessities | 27 | Expired |
| USD634889S1 | Lighter | General | 27 | Expired |
| USD651560S1 | Battery pack | General | 26 | Expired |
| USD646698S1 | Lawn mower | General | 26 | Expired |
| USD455521S1 | Cigar cutter | General | 25 | Expired |
| USD460211S1 | Lighter | General | 16 | Expired |
| USD509721S1 | Planer | General | 16 | Expired |
| US7526867B2 | Tool with clamping apparatus and an improved scrolling mechanism | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD472124S1 | Scissors | General | 14 | Expired |
| USD454223S1 | Lighter | General | 13 | Expired |
| USD539975S1 | Lighter | General | 13 | Expired |
| US8359821B2 | Adjusting device for adjusting the height of a lawn care apparatus | Mechanical Engineering; Lighting; Heating | 12 | Active |
| USD454222S1 | Lighter | General | 12 | Expired |
| USD459834S1 | Lighter | General | 12 | Expired |
| USD463617S1 | Lighter | General | 12 | Expired |
| US7328514B2 | Power tool bearing arrangement | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD870958S1 | Lighter | General | 9 | Active |
| US7284335B2 | Guideline generation apparatus for power tool | Emerging Cross-Sectional Technologies | 9 | Expired |
| USD454224S1 | Lighter | General | 9 | Expired |
| US6732741B1 | Lighter with cigar cutter | Human Necessities | 9 | Expired |
| USD499508S1 | Lighter | General | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.