David Schaefer
10Patents
4h-index
22Co-inventors
60Inventor score
Filing activity: Nov 20, 1992 → May 5, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6171687A | Infiltrated nanoporous materials and methods of producing same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6164752A | Ink jet print head maintenance method | Performing Operations; Transporting | 19 | Expired |
| US9345614B2 | Thermal contrast therapy devices, methods and systems | Human Necessities | 16 | Active |
| US7025345B2 | Replacement method and assembly for paper pick rollers | Performing Operations; Transporting | 5 | Expired |
| US10426655B2 | Thermal contrast therapy devices, methods, and systems | Human Necessities | 3 | Active |
| US9643721B2 | Wind energy conversion systems, devices, and methods | Emerging Cross-Sectional Technologies | 3 | Active |
| US8172228B2 | Integrated module | Performing Operations; Transporting | 2 | Active |
| US5315928A | Band line printer with grooved platen | Performing Operations; Transporting | 2 | Expired |
| US7674056B2 | Paper path powered jam/lock systems and methods | Performing Operations; Transporting | 1 | Active |
| US8348268B2 | Apparatus for transitioning media sheets in a printer | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.