Heinrich Lotz
13Patents
6h-index
9Co-inventors
55Inventor score
Filing activity: Mar 24, 1987 → May 6, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5893702A | Gas friction pump | Mechanical Engineering; Lighting; Heating | 62 | Expired |
| US5088899A | Pump with drive motor | Electricity | 19 | Expired |
| US4826394A | Vacuum pump | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6461123B1 | Turbomolecular pump | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6409477B1 | Vacuum pump | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4770574A | Discs with blades | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4832564A | Pumps | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5927940A | Double-flow gas friction pump | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5910695A | Damping device for a magnetically supported rotor | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6524060B2 | Gas friction pump | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7367429B2 | Device for feeding oil to a bearing seat of a rotatable shaft | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6638010B2 | Gas friction pump | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6561755B1 | Turbomolecular pump | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.