Douglas R. Batchelor
12Patents
10h-index
1Co-inventors
58Inventor score
Filing activity: Aug 13, 1980 → Feb 26, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5008087A | Ozone generator apparatus and method | Chemistry; Metallurgy | 40 | Expired |
| US5169606A | Ozone generator apparatus | Chemistry; Metallurgy | 24 | Expired |
| US4369751A | Liquefied propane carburetor modification system | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4468830A | Sponge mop | Human Necessities | 24 | Expired |
| USD302759S | Wringer sponge mop | General | 23 | Expired |
| US4413607A | Propane carburetion system | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4468832A | Refill sponge mop assembly | Human Necessities | 21 | Expired |
| US4509224A | Refill sponge mop assembly | Human Necessities | 17 | Expired |
| US4553282A | Mop head | Human Necessities | 16 | Expired |
| US4792256A | Implement with connector joining handle to working head | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4706323A | Sponge mop retainer with retraction rod hook receiving catch | Human Necessities | 8 | Expired |
| US4862550A | Roller mop sponge retainer | Human Necessities | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.