Peter Birch
16Patents
6h-index
25Co-inventors
66Inventor score
Filing activity: Mar 23, 1989 → Mar 16, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5121610A | Air cycle air conditioner for heating and cooling | Emerging Cross-Sectional Technologies | 80 | Expired |
| US5635768A | Gas turbine engine driven auxiliary electric power unit with turbine speed controlled in response to generator output current | Mechanical Engineering; Lighting; Heating | 55 | Expired |
| US5606853A | Gaseous fuel compression and control system for gas turbine engine | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US5220233A | Dynamoelectric machines | Electricity | 30 | Expired |
| US5836739A | Gas turbine engine | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5148670A | Gas turbine cogeneration apparatus for the production of domestic heat and power | Emerging Cross-Sectional Technologies | 22 | Expired |
| US8500422B2 | Vacuum pump | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US5261289A | High reduction gear assembly with lubrication | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7214041B2 | Seal assemblies | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6244841A | Vacuum pumps | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9017040B2 | Roughing pump method for a positive displacement pump | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8702407B2 | Multistage roots vacuum pump having different tip radius and meshing clearance from inlet stage to exhaust stage | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10851783B2 | Dry vacuum pump with pressurized bearing and seal | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9476423B2 | Roots pump connection channels separating adjacent pump stages | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8602759B2 | Screw-type vacuum pump having overpressure openings | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11274668B2 | Vacuum pump having a silencer | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.