Al Hartmann
10Patents
6h-index
6Co-inventors
59Inventor score
Filing activity: Jan 16, 1997 → Nov 15, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5905873A | System and method of routing communications data with multiple protocols using crossbar switches | Electricity | 149 | Expired |
| US6246756A | Method and system to meter and control usage of telephone systems | Electricity | 64 | Expired |
| US7555523B1 | Spam discrimination by generalized Ngram analysis of small header fields | Physics | 37 | Active |
| US7617285B1 | Adaptive threshold based spam classification | Emerging Cross-Sectional Technologies | 23 | Active |
| US6160728A | Dual-mode AC/DC electrical receptacle | Electricity | 15 | Expired |
| US6130936A | System and method for terminating a telephone call after simulating a telephone connection failure | Electricity | 11 | Expired |
| US7334722B1 | Scan-on-read | Electricity | 3 | Active |
| US10623424B2 | Supplementing network flow analysis with endpoint information | Emerging Cross-Sectional Technologies | 1 | Active |
| US10708285B2 | Supplementing network flow analysis with endpoint information | Emerging Cross-Sectional Technologies | 0 | Active |
| US7451916B2 | Scan-on-read | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.