Peter Kleinschmidt
35Patents
16h-index
31Co-inventors
81Inventor score
Filing activity: May 3, 1974 → Mar 4, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6085112A | Communication device | Electricity | 246 | Expired |
| US6750832B1 | Information display system for at least one person | Physics | 62 | Expired |
| US5157412A | Laser beam-induced color printing | Electricity | 43 | Expired |
| US5199641A | Fuel injection nozzle with controllable fuel jet characteristic | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US4175242A | Circuit arrangement for the automatic frequency control of an ultrasonic transducer | Electricity | 36 | Expired |
| US4353004A | Circuit for alternate transmission and reception with only one sound source transducer | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4382377A | Pressure sensor for an internal combustion engine | Physics | 31 | Expired |
| US4677337A | Broadband piezoelectric ultrasonic transducer for radiating in air | Physics | 31 | Expired |
| US5219899A | Pasty dental material which is an organopolysilane filler combined with a polymerizable bonding agent | Chemistry; Metallurgy | 28 | Expired |
| US4404502A | Energy saving circuit arrangement for a piezoelectric positioning element | Performing Operations; Transporting | 27 | Expired |
| US4404468A | Pyrodetector | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4275390A | Burglar alarm device | Physics | 24 | Expired |
| US4223208A | Heater with a ferro-electric ceramic heating element | Electricity | 21 | Expired |
| US4392074A | Trigger device and piezo-ignition coupler with galvanic decoupling | Electricity | 21 | Expired |
| US6454709B1 | Tele-evaluation system, especially for medicine | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4292499A | Electronic calcification indicator for flow heaters heated by PTC resistors | Physics | 16 | Expired |
| US4423347A | Positioning element with a piezo-ceramic body | Electricity | 16 | Expired |
| US4198618A | Circuit arrangement for ultrasonic burglar security systems operating in accordance with the Doppler principle | Physics | 15 | Expired |
| US6804645B1 | Dynamic phoneme dictionary for speech recognition | Physics | 15 | Expired |
| US4163078A | Hydrophilic bi-component threads | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4376255A | Method for pulse triggering of a piezo-electric sound-transmitting transducer | Physics | 13 | Expired |
| US4431934A | Electrically actuated piezoelectric control element | Electricity | 9 | Expired |
| US4243979A | Burglar alarm security circuit arrangement | Physics | 9 | Expired |
| US4379246A | Polymeric piezoelectric drive element for writing jets in mosaic ink printing devices | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4471257A | Monitoring system for electrically actuated control element | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.