Richard Engel
8Patents
5h-index
10Co-inventors
56Inventor score
Filing activity: Jun 1, 1981 → Sep 4, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5097556A | Laundry waste water treatment and wash process | Chemistry; Metallurgy | 77 | Expired |
| US5181399A | Laundry waste water treatment and wash apparatus | Chemistry; Metallurgy | 50 | Expired |
| US5241720A | Laundry waste water treatment and wash process | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4366138A | Carbon black useful for pigment for black lacquers | Chemistry; Metallurgy | 13 | Expired |
| US4755358A | Fluidized bed apparatus for the treatment of fluidized carbon black with gases | Chemistry; Metallurgy | 8 | Expired |
| US4676200A | Method for use dependent complete evaporation of liquid nitrogen oxide | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US4647444A | Method for the treatment of fluidized carbon black utilizing level sensing means | Chemistry; Metallurgy | 1 | Expired |
| US4434135A | Gas black burner | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.