Helix Technology Inc.
165Patents
1Active
165Granted
43Portfolio score
Filing activity: Feb 14, 1974 → Sep 23, 2011
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5265431A | Electronically controlled cryopump and network interface | Mechanical Engineering; Lighting; Heating | 98 | Expired |
| US5018357A | Temperature control system for a cryogenic refrigeration | Mechanical Engineering; Lighting; Heating | 89 | Expired |
| US5176004A | Electronically controlled cryopump and network interface | Emerging Cross-Sectional Technologies | 87 | Expired |
| US5443368A | Turbomolecular pump with valves and integrated electronic controls | Mechanical Engineering; Lighting; Heating | 78 | Expired |
| US4918930A | Electronically controlled cryopump | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4763483A | Cryopump and method of starting the cryopump | Emerging Cross-Sectional Technologies | 61 | Expired |
| US4644851A | Linear motor compressor with clearance seals and gas bearings | Emerging Cross-Sectional Technologies | 61 | Expired |
| US5450316A | Electronic process controller having password override | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6495198B2 | Method for fabricating an organic light emitting diode | Electricity | 50 | Expired |
| US5157928A | Electronically controlled cryopump | Emerging Cross-Sectional Technologies | 50 | Expired |
| US6553841B1 | Pressure transducer assembly | Physics | 49 | Expired |
| US6318093A | Electronically controlled cryopump | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4543793A | Electronic control of cryogenic refrigerators | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US4545738A | Linear motor compressor with clearance seals and gas bearings | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6022195A | Electronically controlled vacuum pump with control module | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US4697113A | Magnetically balanced and centered electromagnetic machine and cryogenic refrigerator employing same | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US6272400A | Vacuum network controller | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5900822A | Cryopump synchronous motor load monitor | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4679401A | Temperature control of cryogenic systems | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4011732A | Heat-stationed bayonet connector for cryogenic fluid lines | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6902378B2 | Electronically controlled vacuum pump | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5060481A | Method and apparatus for controlling a cryogenic refrigeration system | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4796433A | Remote recondenser with intermediate temperature heat sink | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US4438632A | Means for periodic desorption of a cryopump | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5146124A | Linear drive motor with flexible coupling | Emerging Cross-Sectional Technologies | 37 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.