Inventor · disambiguated record
Frederick M. Riser
Also filed as: RISER FREDERICK M
5 granted patents·59 citations·filing 1987–2010
80Inventor score
Top patents by PatentIndex Score
5 records- 0179US8318016B1Orbital wastewater treatment system, method of operating same, and kit for modifying an orbital wastewater treatment systemLELAND THOMAS W·Filed 2010·Granted Nov 27, 2012·9 cites·30 claims
- 0277US8057674B1Orbital wastewater treatment system and method of operating sameLELAND THOMAS W·Filed 2009·Granted Nov 15, 2011·12 cites·30 claims
- 0357US4869818AOrbital wastewater treatment system with combined surface aerator and submerged impellerBAKER INT CORP·Filed 1987·Granted Sep 26, 1989·24 cites·8 claims
- 0453US7186332B2Orbital wastewater treatment system with combined surface aerator and submerged impellerGL&V MAN HUNGARY KFT·Filed 2004·Granted Mar 6, 2007·4 cites·25 claims
- 0539US4940545AAerobic waste sludge digester-thickener orbital system and methodBAKER HUGHES INC·Filed 1989·Granted Jul 10, 1990·10 cites·18 claims
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