Walter Schmid
41Patents
12h-index
32Co-inventors
81Inventor score
Filing activity: Aug 10, 1971 → Jan 31, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4448199A | Electrode for detecting bioelectrical signals | Human Necessities | 97 | Expired |
| US4108166A | Cardiac frequency measuring instrument | Human Necessities | 89 | Expired |
| US4907596A | Blood pressure measuring appliance | Human Necessities | 51 | Expired |
| US4207998A | Vacuum roller | Performing Operations; Transporting | 43 | Expired |
| US4272103A | Lateral protection of motor vehicles | Performing Operations; Transporting | 43 | Expired |
| US4375219A | Electrode for detecting bioelectrical signals | Human Necessities | 29 | Expired |
| US5024227A | Bioelectrical electrode | Chemistry; Metallurgy | 24 | Expired |
| US5125405A | Biomedical electrode for use on human or veterinary patients | Human Necessities | 24 | Expired |
| US4583548A | Bioelectric electrode-arrangement | Human Necessities | 23 | Expired |
| US4522223A | Double poppet valve | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4201418A | Anchoring arrangement of an end- or deflection-point of a safety belt, especially in motor vehicles | Performing Operations; Transporting | 19 | Expired |
| US5662367A | Removable motor vehicles rear seat | Performing Operations; Transporting | 12 | Expired |
| US5474252A | Unwinding machine with splicer | Performing Operations; Transporting | 11 | Expired |
| US5124107A | Process for manufacturing a body electrode | Human Necessities | 10 | Expired |
| US5601720A | Controlling a fermentation plant | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5223569A | Self-adhesive conductive elastic gel | Chemistry; Metallurgy | 9 | Expired |
| US4218672A | Installation in a vehicle for indicating the load distribution and for warning against overloads | Performing Operations; Transporting | 8 | Expired |
| US4557627A | Apparatus and method for tunnel construction with shield drive | Fixed Constructions | 8 | Expired |
| US4357879A | Air springing bogie traction link suspension | Performing Operations; Transporting | 7 | Expired |
| US3961400A | Perforated drum drier | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| USRE32965E | Fuel injection pump for internal combustion engines | General | 6 | Expired |
| US4587940A | Fuel injection pump for internal combustion engines | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4747760A | Hand-actuatable pump for feed pumps of fuel injection systems for internal combustion engines | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4099792A | Brake force controller for vehicles, particularly automotive vehicles | Performing Operations; Transporting | 5 | Expired |
| US9661145B2 | Method for carrying out an audio conference, audio conference device, and method for switching between encoders | Electricity | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.