Kevin B. Root
27Patents
11h-index
27Co-inventors
75Inventor score
Filing activity: Dec 8, 1989 → Feb 18, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6401015B1 | Distributed power and electronic air brake control system for a train and associated methods | Performing Operations; Transporting | 88 | Expired |
| US7073753B2 | Integrated train control | Performing Operations; Transporting | 62 | Expired |
| US5172316A | Computer controlled railway brake equipment | Performing Operations; Transporting | 47 | Expired |
| US5412572A | Computer controlled railway brake equipment | Performing Operations; Transporting | 30 | Expired |
| US5590042A | Independent brake control | Performing Operations; Transporting | 28 | Expired |
| US5249125A | Computer controlled railway brake equipment | Performing Operations; Transporting | 25 | Expired |
| US6098006A | Modular locomotive brake controller | Performing Operations; Transporting | 21 | Expired |
| US6334654B1 | Integrated train electrical and pneumatic brakes | Performing Operations; Transporting | 17 | Expired |
| US5369587A | Computer controlled railway brake equipment | Performing Operations; Transporting | 15 | Expired |
| US6035250A | Locomotive brake control unit with dynamic brake interlock | Performing Operations; Transporting | 11 | Expired |
| US6648422B2 | Integrated train electrical and pneumatic brakes | Performing Operations; Transporting | 11 | Expired |
| US6318811A | Brake control unit with redundancy | Performing Operations; Transporting | 11 | Expired |
| US7004550B2 | Integrated train electrical and pneumatic brakes | Performing Operations; Transporting | 10 | Expired |
| US6964456B2 | Brake system cut-out control | Performing Operations; Transporting | 8 | Expired |
| US5303157A | Single handle locomotive controller | Performing Operations; Transporting | 7 | Expired |
| US7029076B2 | Integrated train electrical and pneumatic brakes | Performing Operations; Transporting | 7 | Expired |
| US6626034B2 | Conventional brake pipe continuity test | Performing Operations; Transporting | 6 | Expired |
| US6361124B1 | Method of braking in an integrated train propulsion and brake system | Performing Operations; Transporting | 5 | Expired |
| US7240970B2 | Trail locomotive brake control | Performing Operations; Transporting | 5 | Expired |
| US6932437B1 | Integrated train electrical and pneumatic brakes | Performing Operations; Transporting | 4 | Expired |
| US5758929A | Variable capacity electropneumatic control valve | Performing Operations; Transporting | 4 | Expired |
| US8696071B2 | End of train device for ECP trains | Performing Operations; Transporting | 3 | Active |
| US8123305B2 | Emergency protection for remote control braking systems | Performing Operations; Transporting | 2 | Active |
| US7434895B2 | Electronic equalizing reservoir controller with pneumatic penalty override and reduction limiting | Performing Operations; Transporting | 2 | Active |
| US7455370B2 | Brake pipe control system with remote radio car | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.