Gerhard Herrmann
23Patents
10h-index
31Co-inventors
75Inventor score
Filing activity: May 13, 1983 → May 14, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4589860A | Gear and method for making the same | Emerging Cross-Sectional Technologies | 115 | Expired |
| US5682567A | Process for exposure control in microscope cameras and corresponding photomicroscope | Physics | 36 | Expired |
| US4440401A | Seal assembly for bearing cups slidable in axial direction in bore | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US4848938A | Ring-shaped machine part | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4512672A | Front seal for bearing cups | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4872768A | Swivel bearing for braking devices | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5078656A | Spring adjustable tensioning device | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5470279A | Presettable belt tension device | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4618335A | Tension-adjusting device for driving belt | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5579156A | Photomicroscope with a video camera and an exposure time control for a still camera | Physics | 10 | Expired |
| US5015216A | Premounted tensioning device | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5984562A | Arrangement and method for fixing tubular element in a hole in a plate element | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4557708A | Tension roller | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4889520A | Tension device for drive belt | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5049115A | Pulley for drive shaft for a water pump and method for making the same | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5078655A | Precalibration of drive belt tension | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5078575A | Liquid pump | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4764157A | Tensioning device for drive belt assemblies | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4643700A | Tension roller | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6193417A | Belt tensioner device and method for making same | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6146301A | Support body for tensioning device | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4512670A | Sealed bearing cup for universal joint | Emerging Cross-Sectional Technologies | 0 | Expired |
| US8520303B2 | Surgical microscope having an illuminating system and control unit therefor | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.