Compressor Controls LLC
45Patents
11Active
45Granted
42Portfolio score
Filing activity: Dec 9, 1974 → Sep 8, 2021 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7594386B2 | Apparatus for the prevention of critical process variable excursions in one or more turbomachines | Mechanical Engineering; Lighting; Heating | 75 | Active |
| US4949276A | Method and apparatus for preventing surge in a dynamic compressor | Mechanical Engineering; Lighting; Heating | 70 | Expired |
| US5743715A | Method and apparatus for load balancing among multiple compressors | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US5347467A | Load sharing method and apparatus for controlling a main gas parameter of a compressor station with multiple dynamic compressors | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US7010393B2 | Controlling multiple pumps operating in parallel or series | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US5508943A | Method and apparatus for measuring the distance of a turbocompressor's operating point to the surge limit interface | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US4640665A | Method for controlling a multicompressor station | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4494006A | Method and apparatus for controlling a multicompressor station | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4142838A | Method and apparatus for preventing surge in a dynamic compressor | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4046490A | Method and apparatus for antisurge protection of a dynamic compressor | Emerging Cross-Sectional Technologies | 21 | Expired |
| US3994623A | Method and apparatus for controlling a dynamic compressor | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5609465A | Method and apparatus for overspeed prevention using open-loop response | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5951240A | Method and apparatus for improving antisurge control of turbocompressors by reducing control valve response time | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6332336A | Method and apparatus for maximizing the productivity of a natural gas liquids production plant | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6503048B1 | Method and apparatus for estimating flow in compressors with sidestreams | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5599161A | Method and apparatus for antisurge control of multistage compressors with sidestreams | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5752378A | Prevention of parameter excursions in gas turbines | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5908462A | Method and apparatus for antisurge control of turbocompressors having surge limit lines with small slopes | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4102604A | Method and apparatus for noninteracting control of a dynamic compressor having rotating vanes | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6317655A | Method and apparatus for estimating a surge limit line for configuring an antisurge controller | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5967742A | Method and apparatus for preventing surge while taking a turbocompressor off-line from a parallel configuration | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US3979655A | Control system for controlling a dynamic compressor | Physics | 9 | Expired |
| US6116258A | Method and apparatus for an electrohydraulic control system of a steam turbine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5622042A | Method for predicting and using the exhaust gas temperatures for control of two and three shaft gas turbines | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5879133A | Prevention of parameter excursions during process compressor surge in gas turbines | Mechanical Engineering; Lighting; Heating | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.