John C. Leisner
21Patents
7h-index
27Co-inventors
69Inventor score
Filing activity: Jun 7, 1996 → Oct 20, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7411154B2 | Control panel for a welding-type apparatus | Physics | 31 | Expired |
| US7870915B2 | Auxiliary service pack for a work vehicle | Performing Operations; Transporting | 31 | Active |
| US5884563A | Ride attraction system for the physically disabled | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6603097B2 | Method and apparatus for controlling engine speed of a welding generator | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US7211764B2 | Engine driven welder/generator with high power accessory output operable at lower engine speeds | Performing Operations; Transporting | 17 | Expired |
| US7739997B2 | Remote drain and filter arrangement for a portable generator system | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US6359259B1 | Engine driven welder with field current boost | Performing Operations; Transporting | 8 | Expired |
| US6528765B2 | Engine driven welder with field current boost | Performing Operations; Transporting | 7 | Expired |
| US9266183B2 | Welder generator engine speed control | Performing Operations; Transporting | 4 | Active |
| US9000328B2 | Servicing arrangement for a portable air compressor/generator | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9839948B2 | Fume evacuation system | Performing Operations; Transporting | 3 | Active |
| US9902008B2 | Systems and methods for selecting a welding process | Performing Operations; Transporting | 3 | Active |
| US8604385B2 | Portable air compressor/generator control method and system | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7265319B2 | Multifunction meter for welding apparatus | Performing Operations; Transporting | 1 | Expired |
| US10807181B2 | Systems and methods for selecting a welding process | Performing Operations; Transporting | 1 | Active |
| US11376642B2 | Fume evacuation system | Performing Operations; Transporting | 1 | Active |
| US11499557B2 | Portable air compressor/generator control method and system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12208474B2 | Systems and methods for selecting a welding process | Performing Operations; Transporting | 0 | Active |
| US9604302B2 | Welder generator engine speed control | Performing Operations; Transporting | 0 | Active |
| US10144082B2 | Welder generator engine speed control | Performing Operations; Transporting | 0 | Active |
| US11027356B2 | Welder generator engine speed control | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.