Rudolf Fischer
30Patents
8h-index
33Co-inventors
75Inventor score
Filing activity: Jul 29, 1976 → Oct 23, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4791518A | Device for detecting interfering arcs | Electricity | 28 | Expired |
| US4298934A | Programmable memory protection logic for microprocessor systems | Physics | 22 | Expired |
| US4391596A | Folder | Performing Operations; Transporting | 16 | Expired |
| US5026480A | Decanting apparatus | Human Necessities | 13 | Expired |
| US4487408A | Unit for parallelizing sheet-like products at the delivery end of a printing press | Performing Operations; Transporting | 12 | Expired |
| US4720220A | Tool for machining tooth flanks and method of finishing tooth flanks | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7331431B2 | Pneumatically or electromotively operable disc brake | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US7837015B2 | Holding device for the brake linings of a disk brake and associated brake lining | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US4269402A | Folding apparatus | Performing Operations; Transporting | 8 | Expired |
| US4966188A | Pneumatically operated gas-pressure controller | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4308207A | Morphanthridine derivatives | Human Necessities | 7 | Expired |
| US4093203A | Device for slowing down printing specimen in the folding apparatus | Performing Operations; Transporting | 6 | Expired |
| US4557639A | Cutting tool for planing gear tooth flanks | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4499760A | Device and process for high-precision measurement of the phase relationship and phase displacement, respectively, of two pulse trains | Physics | 5 | Expired |
| US9816577B2 | Disc brake for a commercial vehicle | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US8220596B2 | Disc brake for a commercial vehicle | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US4796283A | Surge counter for an overvoltage arrester | Electricity | 4 | Expired |
| US7267207B2 | Pneumatically or electromotively operable disc brake | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4406900A | Neuroleptic use of morphanthridines | Chemistry; Metallurgy | 4 | Expired |
| US4416652A | Unit for scoring webs of paper in the lengthways direction | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4308800A | Rail vehicle for the transport of heavy and/or bulky goods | Performing Operations; Transporting | 2 | Expired |
| US10280992B2 | Disc brake for a utility vehicle | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10443667B2 | Disk brake for a utility vehicle | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US4477066A | Apparatus for separating overlapped sheets of folded products | Performing Operations; Transporting | 2 | Expired |
| US4450108A | Pyrrolobenzotriazepines | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.