Armin Conrad
23Patents
8h-index
9Co-inventors
68Inventor score
Filing activity: Sep 14, 1990 → Aug 24, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5893702A | Gas friction pump | Mechanical Engineering; Lighting; Heating | 62 | Expired |
| US5733104A | Vacuum pump system | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US5707213A | Molecular vacuum pump with a gas-cooled rotor | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5070264A | Position sensor | Electricity | 16 | Expired |
| US5547338A | Friction pump with magnetic bearings disposed in the impeller | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6030181A | Vacuum apparatus and a method of controlling a suction speed thereof | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5777414A | Magnetic bearing arrangement for a rotor | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7033142B2 | Vacuum pump system for light gases | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6368082B1 | Vacuum pump with rotor supporting gas bearings | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6524060B2 | Gas friction pump | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US9887604B2 | Apparatus for kinetic energy storage having a flywheel with pump-active surfaces | Emerging Cross-Sectional Technologies | 4 | Active |
| US6464451B1 | Vacuum pump | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7059828B2 | Gas friction pump | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6638010B2 | Gas friction pump | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7575372B2 | Device for contactless measurement of rotor temperatures | Physics | 2 | Active |
| US9410862B2 | Device for measuring a pressure with at least one pressure sensor having at least one active sensor surface | Physics | 0 | Active |
| US6540475B2 | Gas friction pump | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US9822799B2 | Arrangement with a vacuum pump and method of compensating magnetic field produced by magnetic interference field of at least one vacuum pump component | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10132339B2 | Ionizing pump stage | Electricity | 0 | Active |
| US6644912B2 | Gas friction pump | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US8398362B2 | Turbomolecular pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US6991424B2 | Gas friction pump | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US10563648B2 | Membrane vacuum pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.