Henry Smith
7Patents
5h-index
3Co-inventors
56Inventor score
Filing activity: Sep 22, 1975 → Dec 17, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6851255B2 | Normally open reverse flow flapper valve | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7114519B2 | Normally open reverse flow flapper valve | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4514101A | Paper thickness adjusting mechanism for impact printer | Performing Operations; Transporting | 8 | Expired |
| US4024813A | Card printing machine | Performing Operations; Transporting | 6 | Expired |
| US4576494A | Print wheel cartridge | Performing Operations; Transporting | 5 | Expired |
| US4453847A | Record carrier feed arrangement for a printer | Performing Operations; Transporting | 2 | Expired |
| US4231674A | Clip for attaching guide rails to a frame | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.