David Cook
19Patents
7h-index
17Co-inventors
63Inventor score
Filing activity: Aug 20, 1999 → Nov 12, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6575165B1 | Apparatus and method for breathing apparatus component coupling | Human Necessities | 119 | Expired |
| US6546297B1 | Distributed life cycle development tool for controls | Physics | 110 | Expired |
| US6666209B2 | Method and system of calibrating air flow in a respirator system | Human Necessities | 58 | Expired |
| USD457132S1 | Battery | General | 48 | Expired |
| USD465568S1 | Cover for a filter cartridge | General | 29 | Expired |
| US9751540B2 | Hybrid systems for locomotives | Emerging Cross-Sectional Technologies | 14 | Active |
| US9255506B2 | Locomotive natural gas storage and transfer system | Emerging Cross-Sectional Technologies | 8 | Active |
| USD477401S1 | Pair of filter cartridges for a powered air-purifying respirator | General | 6 | Expired |
| US8915342B2 | Dual stage input lever transmission downshift system | Emerging Cross-Sectional Technologies | 5 | Active |
| US9200554B2 | Hybrid systems for locomotives | Emerging Cross-Sectional Technologies | 2 | Active |
| US10473012B2 | Battery leasing and wireless power transfer for passenger rail | Emerging Cross-Sectional Technologies | 1 | Active |
| US9878725B2 | Locomotive natural gas storage and transfer system | Emerging Cross-Sectional Technologies | 1 | Active |
| US9097162B2 | Locomotive and transit system efficiency and emissions improvements | Emerging Cross-Sectional Technologies | 1 | Active |
| US8820060B2 | Mobile diesel power system with separated engine and exhaust | Emerging Cross-Sectional Technologies | 1 | Active |
| US9835066B2 | Efficiency and emissions improvements for natural gas conversions of EMD 2-cycle medium speed engines | Emerging Cross-Sectional Technologies | 0 | Active |
| US11002167B2 | Wireless power transfer system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10385807B2 | Efficiency and emissions improvements for natural gas conversions of EMD 2-cycle medium speed engines | Emerging Cross-Sectional Technologies | 0 | Active |
| US8700292B2 | Engine performance equalization system and method | Emerging Cross-Sectional Technologies | 0 | Active |
| US9752481B2 | Locomotive and transit system efficiency and emissions improvements | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.