David E. Allen
6Patents
3h-index
4Co-inventors
50Inventor score
Filing activity: May 11, 1979 → Jan 19, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7640427B2 | System and method for secure electronic communication in a partially keyless environment | Electricity | 78 | Expired |
| US7383439B2 | Apparatus and method for facilitating encryption and decryption operations over an email server using an unsupported protocol | Electricity | 36 | Expired |
| US6957823B1 | Hitch assembly | Performing Operations; Transporting | 9 | Expired |
| US4256671A | Production of 2,4- and 2,6-diaminotoluenes | Chemistry; Metallurgy | 2 | Expired |
| USRE43290E1 | Hitch assembly | General | 1 | Active |
| US10793209B2 | Hitch assembly | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.