Edwards Limited
269Patents
251Active
269Granted
59Portfolio score
Filing activity: Mar 27, 2003 → Dec 16, 2022 · 88 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8168128B2 | Plasma reactor | Performing Operations; Transporting | 34 | Active |
| US11326586B2 | Exhaust coupling | Mechanical Engineering; Lighting; Heating | 31 | Active |
| US8776719B2 | Microwave plasma reactor | Emerging Cross-Sectional Technologies | 21 | Active |
| US8518162B2 | Method of treating a gas stream | Emerging Cross-Sectional Technologies | 15 | Active |
| US8740588B2 | Multiple inlet vacuum pumps | Electricity | 12 | Active |
| US7442016B2 | Scroll pump and method of assembling same | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US7481867B2 | Vacuum system for immersion photolithography | Physics | 11 | Active |
| US8323006B2 | Scroll pump with an electromagnetic drive mechanism | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US8105051B2 | Vacuum pump | Emerging Cross-Sectional Technologies | 9 | Active |
| US8308458B2 | Rotor assembly for multi-stage pump | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US7850434B2 | Pumping arrangement | Electricity | 8 | Active |
| US7814922B2 | Apparatus for controlling the pressure in a process chamber and method of operating same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7866940B2 | Vacuum pump | Electricity | 8 | Active |
| US8186937B2 | Vacuum pump | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US9333460B2 | Plasma treatment device | Electricity | 7 | Active |
| US8235678B2 | Multi-stage vacuum pumping arrangement | Electricity | 6 | Active |
| US7811065B2 | Vacuum pump for differential pumping multiple chambers | Electricity | 6 | Active |
| US8181944B2 | Vibration damper | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8456167B2 | Ionisation vacuum gauges and gauge heads | Electricity | 6 | Active |
| US8500422B2 | Vacuum pump | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8591210B2 | Scroll compressor having adjustable spacers | Emerging Cross-Sectional Technologies | 5 | Active |
| US8662841B2 | Vacuum pump | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US8070459B2 | Pressure control method | Physics | 5 | Active |
| US8657942B2 | Trap device | Electricity | 5 | Active |
| US9080571B2 | Pump enveloped with thermally conductive material | Emerging Cross-Sectional Technologies | 5 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.