P. David Halstead
13Patents
9h-index
4Co-inventors
54Inventor score
Filing activity: Jun 4, 1999 → Sep 26, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6219850A | Helmet | Human Necessities | 125 | Expired |
| US6434755B1 | Helmet | Human Necessities | 103 | Expired |
| USD466651S1 | Helmet | General | 100 | Expired |
| US6351853B1 | Helmet fitting system | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6370699B1 | Jaw pad for helmet | Human Necessities | 54 | Expired |
| US6591428B2 | Helmet fitting system | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6763524B2 | Titanium wire face guard | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6637091B2 | Method for making titanium wire face guard | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6421829B1 | Titanium wire face guard | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6481066B1 | Buckle | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6497012B2 | Buckle | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6532632B1 | Buckle | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6371710B1 | Attachment system | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.