Rolf Schmidt
17Patents
7h-index
33Co-inventors
66Inventor score
Filing activity: Feb 25, 1974 → Sep 20, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6673756B2 | Multiphase soaps | Chemistry; Metallurgy | 55 | Expired |
| US4712937A | Plotter stylus with cap covered vent | Performing Operations; Transporting | 42 | Expired |
| US4884023A | Method and apparatus for determining the rotor resistance of a rotating-field machine | Electricity | 16 | Expired |
| US3932886A | Method and apparatus for mixing and recording multi-track stereo audio signals which have been recorded as several individual audio signals | Physics | 11 | Expired |
| US5359259A | Mask-frame combination for a color picture tube | Electricity | 11 | Expired |
| US4236535A | Apparatus for convoluting adhesive-coated uniting bands around rod-shaped articles | Human Necessities | 11 | Expired |
| US4264238A | Apparatus for separating particles of tobacco or the like from a gaseous carrier medium | Human Necessities | 7 | Expired |
| US6247577A | Apparatus for changing the direction of transport of oval cigarettes | Performing Operations; Transporting | 6 | Expired |
| US4779783A | Device for removing an endless paper web and introducing same into a fast printer | Performing Operations; Transporting | 5 | Expired |
| US8191257B2 | Method for assembling a steam generator | Emerging Cross-Sectional Technologies | 3 | Active |
| US4307337A | Method and apparatus for capacitively measuring variations in the nominal distance between a color selection electrode and a display window of a television display tube | Electricity | 2 | Expired |
| US4630909A | Apparatus for measuring the position of a light source disposed inside a lighthouse | Electricity | 2 | Expired |
| US10545201B2 | Device and method for positioning in a magnetic field of a magnetic resonance tomography system using magnetic field strength | Physics | 1 | Active |
| US10794464B2 | Transmission having a shaft, a housing part and an adapter housing | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11980487B2 | Collision-free X-ray tube movement | Physics | 1 | Active |
| US6867598B2 | Method for measuring fault locations in high frequency cables and lines | Physics | 0 | Expired |
| US5388554A | Intake means for a reciprocating internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.