David Kalhok
51Patents
18h-index
25Co-inventors
80Inventor score
Filing activity: Dec 3, 1998 → Nov 26, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6547027B1 | All terrain vehicle | Performing Operations; Transporting | 60 | Expired |
| US7330122B2 | Remote tracking and communication device | Physics | 56 | Expired |
| US6644308B2 | Helmet | Human Necessities | 41 | Expired |
| USD451643S | Face helmet | General | 38 | Expired |
| USD450160S | Full-face helmet | General | 35 | Expired |
| USD475815S1 | Full-face helmet | General | 29 | Expired |
| US6672240B1 | Deck boat | Performing Operations; Transporting | 29 | Expired |
| USD480991S1 | All terrain vehicle body | General | 28 | Expired |
| US6837173B2 | Watercraft | Performing Operations; Transporting | 27 | Expired |
| USD458562S1 | All terrain vehicle | General | 27 | Expired |
| USD497223S1 | Full-face helmet | General | 26 | Expired |
| US6886490B2 | Deck boat | Performing Operations; Transporting | 24 | Expired |
| US6606751B1 | Helmet | Human Necessities | 24 | Expired |
| USD464601S1 | Deck boat seating arrangement | General | 23 | Expired |
| USD462931S1 | Personal watercraft | General | 21 | Expired |
| USD452592S | Full-face helmet | General | 20 | Expired |
| US7804412B2 | Remote tracking and communication device | Physics | 20 | Active |
| USD469053S1 | Deck boat | General | 19 | Expired |
| USD482648S1 | Boat | General | 18 | Expired |
| US6701863B2 | Watercraft with collapsible privacy compartment | Performing Operations; Transporting | 17 | Expired |
| US6189753A | Carrier rack for use on a watercraft | Performing Operations; Transporting | 14 | Expired |
| US6276291A | Adjustable steering column | Emerging Cross-Sectional Technologies | 13 | Expired |
| USD447605S | Full-face helmet | General | 13 | Expired |
| USD468117S1 | Seat of an all terrain vehicle | General | 12 | Expired |
| USD725626S1 | Earphone system | General | 12 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.