James E. Ludwig
8Patents
4h-index
4Co-inventors
50Inventor score
Filing activity: May 12, 1975 → Aug 11, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5009215A | Arrow rest and holder apparatus | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US4038960A | Arrow holder | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US8015873B2 | Detector housing | Emerging Cross-Sectional Technologies | 6 | Active |
| US8141422B2 | Detector housing | Emerging Cross-Sectional Technologies | 4 | Active |
| US8266974B2 | Process for testing a detector mounted within a duct | Emerging Cross-Sectional Technologies | 3 | Active |
| US7204522B2 | Duct detector housing | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7941537B2 | System, method, and computer-readable medium for resource migration in a distributed telecommunication system | Electricity | 2 | Active |
| US8424394B2 | Air sampling tube | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.