Inventor · disambiguated record
Marvin A. Brown
Also filed as: BROWN MARVIN A
8 granted patents·447 citations·filing 1991–1996
91Inventor score
Technology areasB01D
Top patents by PatentIndex Score
8 records- 0184US5639384AApparatus and method for improving gas backwash in lateral underdrainsF B LEOPOLD COMPANY·Filed 1996·Granted Jun 17, 1997·73 cites·9 claims
- 0284US5160614AAir duct block for air/water underdrain systems in gravity filtersLEOPOLD CO INC F B·Filed 1992·Granted Nov 3, 1992·62 cites·15 claims
- 0382US5149427ACap for underdrains in gravity filtersLEOPOLD CO INC F B·Filed 1991·Granted Sep 22, 1992·62 cites·20 claims
- 0481US5269920ACap system for underdrains in gravity filtersLEOPOLD CO INC F B·Filed 1992·Granted Dec 14, 1993·60 cites·18 claims
- 0580US5489388AApparatus and method for improving gas backwash in lateral underdrainsLEOPOLD CO INC F B·Filed 1994·Granted Feb 6, 1996·48 cites·22 claims
- 0679US5087362AFlume distribution system with removable blockLEOPOLD CO INC F B·Filed 1991·Granted Feb 11, 1992·50 cites·20 claims
- 0776US5328608AMutli-lateral filter underdrain blockLEOPOLD CO INC F B·Filed 1992·Granted Jul 12, 1994·46 cites·14 claims
- 0875US5232592ACap for underdrains in gravity filtersLEOPOLD CO INC F B·Filed 1992·Granted Aug 3, 1993·46 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →