Inventor · disambiguated record
Richard Engel
Also filed as: ENGEL JR RICHARD B · ENGEL RICHARD · ENGEL RICHARD B
8 granted patents·282 citations·filing 1981–1992
89Inventor score
Top patents by PatentIndex Score
8 records- 0189US5241720ALaundry waste water treatment and wash processTRI O CLEAN LAUNDRY SYSTEMS IN·Filed 1992·Granted Sep 7, 1993·71 cites·10 claims
- 0289US5097556ALaundry waste water treatment and wash processO3 TECHNOLOGIES INC·Filed 1991·Granted Mar 24, 1992·101 cites·19 claims
- 0383US5181399ALaundry waste water treatment and wash apparatusTRI O CLEAN LAUNDRY SYSTEMS IN·Filed 1992·Granted Jan 26, 1993·66 cites·21 claims
- 0470US4366138ACarbon black useful for pigment for black lacquersDEGUSSA·Filed 1981·Granted Dec 28, 1982·18 cites·4 claims
- 0564US4755358AFluidized bed apparatus for the treatment of fluidized carbon black with gasesDEGUSSA·Filed 1986·Granted Jul 5, 1988·17 cites·1 claims
- 0641US4676200AMethod for use dependent complete evaporation of liquid nitrogen oxideDEGUSSA·Filed 1985·Granted Jun 30, 1987·4 cites·6 claims
- 0734US4647444AMethod for the treatment of fluidized carbon black utilizing level sensing meansDEGUSSA·Filed 1985·Granted Mar 3, 1987·3 cites·3 claims
- 0832US4434135AGas black burnerDEGUSSA·Filed 1982·Granted Feb 28, 1984·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →