James Koehler
9Patents
6h-index
8Co-inventors
56Inventor score
Filing activity: Feb 23, 1990 → Mar 31, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6397745B2 | Method and apparatus for maintaining ink level in ink fountain of printing press | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7843145B2 | System and method for power line carrier communication using high frequency tone bursts | Emerging Cross-Sectional Technologies | 10 | Active |
| US6619206B2 | Method and apparatus for maintaining ink level in ink fountain of printing press | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5046418A | Dampening method and apparatus for automatic ink/water control for lithographic printing press | Performing Operations; Transporting | 8 | Expired |
| US6401612B2 | Method and apparatus for maintaining ink level in ink fountain of printing press | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8654485B1 | Electronic ballast with protected analog dimming control interface | Electricity | 7 | Active |
| US8405488B1 | System and method for encoding ballast control signals | Electricity | 2 | Active |
| US8564216B1 | Asymmetric end-of-life protection circuit for fluorescent lamp ballasts | Electricity | 1 | Active |
| US7926688B2 | Tension-controlled web processing machine and method | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.