Robert C. Comer
21Patents
16h-index
15Co-inventors
78Inventor score
Filing activity: Apr 25, 1974 → Feb 7, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4694528A | Convertible vacuum-blower | Human Necessities | 68 | Expired |
| US5322418A | High pressure liquid pump apparatus and pumping method | Mechanical Engineering; Lighting; Heating | 60 | Expired |
| US4325195A | Snow thrower | Fixed Constructions | 42 | Expired |
| US4282653A | Cutting element for vegetation line trimmers | Human Necessities | 37 | Expired |
| US4227280A | Vacuum/blower attachment for filament trimmer | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5101745A | Method and apparatus for soil cultivation by high pressure injection of fluids | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6038989A | Turf injector with ground slitting knives | Human Necessities | 28 | Expired |
| US4149358A | Low speed rotary mower | Human Necessities | 24 | Expired |
| US5119744A | Method and apparatus for treating turf | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5207168A | Method and apparatus for treating turf | Human Necessities | 24 | Expired |
| US4374465A | Attachment for rotary lawn mower | Human Necessities | 22 | Expired |
| US4176508A | Line feed mechanism for filament mower | Human Necessities | 21 | Expired |
| US4293041A | Power cultivator with debris excluding barrier and scraper | Human Necessities | 21 | Expired |
| US3955653A | Rotary mower blade arrester apparatus | Human Necessities | 18 | Expired |
| US4335567A | Bagging filament mower | Human Necessities | 18 | Expired |
| US4250695A | Powered lawn care and cultivating implement | Human Necessities | 17 | Expired |
| US4280276A | Reciprocating cutter | Human Necessities | 15 | Expired |
| US4129977A | Low speed rotary mower | Human Necessities | 12 | Expired |
| US4235068A | Filament mower | Human Necessities | 11 | Expired |
| US5154241A | Sand trap maintenance machine | Fixed Constructions | 6 | Expired |
| US8205681B1 | Aeration core processor | Human Necessities | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.