Peter Schaefer
24Patents
7h-index
36Co-inventors
69Inventor score
Filing activity: Oct 18, 1977 → Jun 29, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5468388A | Filter module with degassing feature | Performing Operations; Transporting | 219 | Expired |
| US4731769A | Central servicing and information controller for vehicle auxiliary equipment | Performing Operations; Transporting | 176 | Expired |
| US8110774B2 | Laser welding method and apparatus | Performing Operations; Transporting | 62 | Active |
| US4199366A | Fiber-reinforced cement-like material | Emerging Cross-Sectional Technologies | 22 | Expired |
| US9416863B2 | Pulley ring | Mechanical Engineering; Lighting; Heating | 19 | Active |
| US7063614B2 | Control arrangement for crop discharging device of an agricultural harvesting machine | Human Necessities | 17 | Expired |
| US10544725B2 | Thermal management valve module with concentric shafts for rotary valve control | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US6796851B2 | Electrical device having a wall made of plastic and comprising at least one flexible conductor and method for manufacturing such an electrical device | Electricity | 7 | Expired |
| US8850707B2 | Hair trimmer | Performing Operations; Transporting | 7 | Active |
| US8430590B2 | Electric toothbrush | Human Necessities | 6 | Active |
| US7601950B2 | System and method for downhole optical analysis | Fixed Constructions | 6 | Active |
| US6246129A | Control stalk for a motor vehicle | Electricity | 6 | Expired |
| US6239372A | Electrical connection of a movably disposed electrical component with a flexible, elastic conductor track carrier | Electricity | 3 | Expired |
| US4174088A | Vehicle seat | Performing Operations; Transporting | 3 | Expired |
| US4315126A | Method of air cutting and gouging and a combined torch and nozzle assembly | Performing Operations; Transporting | 3 | Expired |
| US8770835B2 | Apparatus and methods for estimating a characteristic of a fluid downhole using thermal properties of the fluid | Fixed Constructions | 2 | Active |
| US8269161B2 | Apparatus and method for evaluating downhole fluids | Physics | 2 | Active |
| US8222565B2 | Method for laser fusion cutting without cutting gas | Performing Operations; Transporting | 1 | Active |
| US10468858B2 | Supply circuit for a corona ignition device | Electricity | 0 | Active |
| US8552345B2 | Method for operating a diesel fuel filter heater | Emerging Cross-Sectional Technologies | 0 | Active |
| US9903200B2 | Viscosity measurement in a fluid analyzer sampling tool | Fixed Constructions | 0 | Active |
| US10620245B2 | Method and device for monitoring a submarine cable | Physics | 0 | Active |
| US8614407B2 | Method for supplying current to a glow plug | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9007076B2 | Method for measuring the electrical resistance of a glow plug | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.