COLTEC INDUSTRIES, INC.
🏢 View company profile →73Patents
0Active
73Granted
41Portfolio score
Filing activity: Nov 13, 1987 → May 23, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6102665A | Compressor system and method and control for same | Mechanical Engineering; Lighting; Heating | 160 | Expired |
| US6450771B1 | System and method for controlling rotary screw compressors | Physics | 125 | Expired |
| US5713724A | System and methods for controlling rotary screw compressors | Physics | 121 | Expired |
| US6471486B1 | Compressor system and method and control for same | Mechanical Engineering; Lighting; Heating | 108 | Expired |
| US6529590B1 | Systems and methods for remotely controlling a machine | Physics | 81 | Expired |
| US4998559A | Solenoid operated pressure control valve | Emerging Cross-Sectional Technologies | 73 | Expired |
| US6533552B2 | System and methods for controlling rotary screw compressors | Physics | 70 | Expired |
| US6077051A | System and methods for controlling rotary screw compressors | Physics | 62 | Expired |
| US5009390A | Electromagnet and reed-type valve assembly | Mechanical Engineering; Lighting; Heating | 58 | Expired |
| US5429090A | Fail safe throttle positioning system | Mechanical Engineering; Lighting; Heating | 57 | Expired |
| US5261382A | Fuel injection system | Mechanical Engineering; Lighting; Heating | 53 | Expired |
| US4984549A | Electromagnetic injection valve | Electricity | 53 | Expired |
| US5121769A | Solenoid operated pressure regulating valve | Emerging Cross-Sectional Technologies | 51 | Expired |
| US5060695A | Bypass flow pressure regulator | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5697390A | Process for producing filled polytetrafluoroethylene resin composite materials and products | Chemistry; Metallurgy | 43 | Expired |
| US5217047A | Solenoid operated pressure regulating valve | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5556271A | Valve system for capacity control of a screw compressor and method of manufacturing such valves | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5010487A | Computer-based engine diagnostic method | Physics | 37 | Expired |
| US5367875A | Automated catalytic reduction system | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5606992A | Pulse width modulated solenoid | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5545014A | Variable displacement vane pump, component parts and method | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US5012780A | Stand alone fuel injection system | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5527149A | Extended range regenerative pump with modified impeller and/or housing | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6442925B1 | Manifold drain system for gas turbine | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5551404A | Fuel injection system for marine engines | Mechanical Engineering; Lighting; Heating | 27 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.