John Keller
20Patents
6h-index
27Co-inventors
69Inventor score
Filing activity: Jun 28, 2000 → Sep 28, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6502461B2 | Method and apparatus for monitoring liquid level in a container | Physics | 25 | Expired |
| US9902277B2 | Method for charging a battery having a plurality of battery cells | Emerging Cross-Sectional Technologies | 10 | Active |
| US7719219B2 | Wizard for configuring a motor drive system | Physics | 10 | Active |
| US10093191B2 | Method for charging a battery having a plurality of battery cells using two or more constant current charge stages | Emerging Cross-Sectional Technologies | 8 | Active |
| US6371074B1 | Method and apparatus for preventing backfiring in spark ignition, internal combustion engines | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6617971B2 | Battery operated temperature warning sensor | Physics | 6 | Expired |
| US7983769B2 | Time stamped motion control network protocol that enables balanced single cycle timing and utilization of dynamic data structures | Emerging Cross-Sectional Technologies | 5 | Active |
| US8844147B2 | Tilt-angle compensated steering wheel angle gauge | Physics | 4 | Active |
| US9786258B2 | Apparatus including an instrument holder | Physics | 3 | Active |
| US7012535B2 | Battery operated warning sensor | Physics | 2 | Expired |
| US7531973B2 | Wizard for configuring a motor drive system | Physics | 2 | Expired |
| US8212514B2 | Serial interface motor controller having user configurable communications speeds | Physics | 2 | Active |
| US11352087B2 | Safety light | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10286745B2 | Vehicle damping control | Performing Operations; Transporting | 1 | Active |
| US8080965B2 | Motor controller with deterministic synchronous interrupt having multiple serial interface backplane | Physics | 1 | Active |
| US8448924B2 | Alternative-fuel inductor for engines | Emerging Cross-Sectional Technologies | 1 | Active |
| US11691562B2 | Safety light | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10974564B2 | Vehicle damping control | Performing Operations; Transporting | 0 | Active |
| US12393222B2 | Local time determination via daylight sensing for programmable control devices | Emerging Cross-Sectional Technologies | 0 | Active |
| US11731478B2 | Vehicle damping control | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.