Charles Keller
5Patents
3h-index
6Co-inventors
50Inventor score
Filing activity: Jul 18, 1979 → Nov 7, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6770177B2 | Cathodic protection system for air compressor tanks | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4241768A | Infant bottle air removal means | Human Necessities | 13 | Expired |
| US5073507A | Producing a plasma containing beryllium and beryllium fluoride | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6024126A | Uniform cross-section and ribbed thermoplastic compressor valve | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4298329A | Sizing mandrel for thermoplastic netting | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.