Wolfgang Schmidt
101Patents
15h-index
168Co-inventors
89Inventor score
Filing activity: Mar 9, 1977 → Oct 24, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6399031B1 | Continuous flow reactor having a plurality of alternating bends | Performing Operations; Transporting | 50 | Expired |
| US4395601A | Modular hearing aid | Electricity | 36 | Expired |
| US4810834A | Tensionproof cable | Electricity | 36 | Expired |
| US5491460A | Instrument switch having integrated overcurrent protection | Electricity | 28 | Expired |
| US4938357A | Corner-angle edge protector | Performing Operations; Transporting | 26 | Expired |
| US7172370B2 | Cutting system, device, and method for splitting pipes | Performing Operations; Transporting | 22 | Expired |
| US5882572A | Method for producing a line-shaped weakening by means of lasers | Electricity | 22 | Expired |
| US4520419A | Polarity and overload protective circuit for electric consumers | Electricity | 18 | Expired |
| US6179891A | Filter arrangement and a method for its manufacture | Performing Operations; Transporting | 17 | Expired |
| US5199303A | Pressure sensor for determination of pressure in the combustion chamber of an internal combustion engine | Physics | 17 | Expired |
| US4727724A | Crysosorption pump for the rotor of an electric machine having a superconducting exciter winding | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5249468A | Pressure sensor for detecting the pressure in the combustion chamber of internal combustion engines | Physics | 16 | Expired |
| US5171959A | Arc welding of a weld stud | Performing Operations; Transporting | 15 | Expired |
| US4258229A | Body vibration pickup | Electricity | 15 | Expired |
| US5986536A | Resistive current-limiting arrangement using high temperature superconductive material | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5315875A | Pressure sensor for detecting the pressure in the combustion chamber of internal-combustion engines | Physics | 15 | Expired |
| US4866298A | Circuit arrangement for evaluating the signals of an inductive sensor | Physics | 13 | Expired |
| US5503023A | Pressure sensor for detecting the pressure in the combustion chamber of internal-combustion engines | Physics | 13 | Expired |
| US4915307A | Mill, in particular agitating mill | Performing Operations; Transporting | 12 | Expired |
| US5200301A | Color photographic recording material | Physics | 11 | Expired |
| US4797529A | Stud welding apparatus | Performing Operations; Transporting | 11 | Expired |
| US5353633A | Pressure sensor for detecting the pressure in combustion chamber of combustion engine | Physics | 10 | Expired |
| US6638007B2 | Turbomachine with radial-flow compressor impeller | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6220078A | Vibration pickup with a pressure sleeve | Physics | 10 | Expired |
| US4448074A | Soft-switching audiometer | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.