Robert C. Kull
21Patents
16h-index
8Co-inventors
74Inventor score
Filing activity: Feb 13, 1995 → Feb 12, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5748269A | Environmentally-sealed, convectively-cooled active matrix liquid crystal display (LCD) | Physics | 346 | Expired |
| US5740547A | Rail navigation system | Performing Operations; Transporting | 124 | Expired |
| US5681015A | Radio-based electro-pneumatic control communications system | Emerging Cross-Sectional Technologies | 123 | Expired |
| US5978718A | Rail vision system | Performing Operations; Transporting | 117 | Expired |
| US5720455A | Intra-train radio communication system | Emerging Cross-Sectional Technologies | 104 | Expired |
| US5995881A | Integrated cab signal rail navigation system | Performing Operations; Transporting | 98 | Expired |
| US5744707A | Train brake performance monitor | Physics | 76 | Expired |
| US8428798B2 | Short headway communications based train control system | Electricity | 55 | Active |
| US6163089A | Railway locomotive ECP train line control | Performing Operations; Transporting | 54 | Expired |
| US5757291A | Integrated proximity warning system and end of train communication system | Performing Operations; Transporting | 35 | Expired |
| US6435624B1 | Railway locomotive brake controller | Performing Operations; Transporting | 34 | Expired |
| US6189980A | Locomotive to ECP brake conversion system | Performing Operations; Transporting | 29 | Expired |
| US5507457A | Train integrity detection system | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6229452A | ECP train line communications for railway freight car brakes | Performing Operations; Transporting | 27 | Expired |
| US6217126A | Railway emulation brake | Performing Operations; Transporting | 25 | Expired |
| US6839664B1 | Electrically controlled pneumatic end of train pneumatic emulation system | Performing Operations; Transporting | 22 | Expired |
| US7144090B2 | China type 120 brake valve ECP manifold | Performing Operations; Transporting | 6 | Expired |
| US10081379B2 | Broken rail detection system for communications-based train control | Performing Operations; Transporting | 6 | Active |
| US9701326B2 | Broken rail detection system for railway systems | Performing Operations; Transporting | 3 | Active |
| US9889869B2 | Broken rail detection system for communications-based train control | Performing Operations; Transporting | 3 | Active |
| US8924117B2 | Brake monitoring system for an air brake arrangement | Performing Operations; Transporting | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.