Inventor · disambiguated record
Richard E. Couch
Also filed as: COUCH RICHARD · COUCH RICHARD E
5 granted patents·1 pending application·19 citations·filing 1993–2017
73Inventor score
Top patents by PatentIndex Score
6 records- 0172US10336635B2Subsurface sewage disposal systemCOUCH RICHARD·Filed 2017·Granted Jul 2, 2019·1 cites·11 claims
- 0272US8142106B2Subsurface sewage disposal and wastewater treatment systemCOUCH RICHARD E·Filed 2010·Granted Mar 27, 2012·10 cites·19 claims
- 0354US9850150B2Subsurface sewage disposal systemCOUCH RICHARD·Filed 2013·Granted Dec 26, 2017·0 cites·25 claims
- 0452US8727662B2Influent liquid treatment systemLAUDANO JOHN M·Filed 2009·Granted May 20, 2014·1 cites·10 claims
- 0549US2009145830A1Subsurface sewage disposal and wastewater treatment systemS BOX LLC·Filed 2008·Application pending·0 cites
- 0642US5435162AZone heating apparatusCATERPILLAR INC·Filed 1993·Granted Jul 25, 1995·7 cites·38 claims
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