David A. Bradshaw
18Patents
10h-index
44Co-inventors
72Inventor score
Filing activity: Jan 30, 1975 → Sep 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD401407S | Mobile storage apparatus | General | 37 | Expired |
| US7362064B2 | Control arrangement for a cleaning appliance | Human Necessities | 26 | Expired |
| US6832409B2 | Wet/dry floor cleaning unit and method of cleaning | Human Necessities | 26 | Expired |
| US5901406A | Liquid recovery tank for a carpet extractor | Human Necessities | 25 | Expired |
| US4336628A | Nozzle with pivoted wand | Human Necessities | 24 | Expired |
| US6598263B2 | Vacuum cleaner dirt collecting system with filter cleaning devices | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7146679B2 | Apparatus and method for cleaning a surface | Human Necessities | 17 | Expired |
| USD407569S | Support stool | General | 15 | Expired |
| US3946678A | Convertible vehicle platform and shelf apparatus | Performing Operations; Transporting | 13 | Expired |
| US8365347B2 | Wet/dry floor cleaning unit | Human Necessities | 11 | Active |
| US7533442B2 | Wet/dry floor cleaning unit and method of cleaning | Human Necessities | 9 | Expired |
| USD458670S1 | Filter cartridge top | General | 6 | Expired |
| USD396900S | Toy off-road vehicle | General | 3 | Expired |
| US11466912B2 | Activation and deactivation of a purge unit of a vapor compression system based at least in part on conditions within a condenser of the vapor compression system | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US12429257B2 | HVAC system with bypass conduit | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11635238B2 | Systems and methods for controlling a purge unit of a vapor compression system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12000629B2 | Hybrid cooling systems for hermetic motors | Emerging Cross-Sectional Technologies | 0 | Active |
| US11942851B2 | Hermetic motor cooling system | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.