Fred S. Sindlinger
5Patents
5h-index
7Co-inventors
45Inventor score
Filing activity: Jan 14, 1994 → Feb 24, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5493752A | Upright carpet and upholstery extractor | Human Necessities | 54 | Expired |
| US5761763A | Upright carpet extractor | Human Necessities | 42 | Expired |
| US5615448A | Convertible upright carpet extractor | Human Necessities | 41 | Expired |
| US5901406A | Liquid recovery tank for a carpet extractor | Human Necessities | 25 | Expired |
| US6138322A | Upright carpet and upholstery extractor | Human Necessities | 16 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.