Inventor · disambiguated record
Raymond G. Ziehm
Also filed as: ZIEHM RAYMOND G
6 granted patents·3 pending applications·172 citations·filing 1993–2017
85Inventor score
Top patents by PatentIndex Score
9 records- 0191US5331996ADual mode hot water circulation apparatusZIEHM RAYMOND G·Filed 1993·Granted Jul 26, 1994·94 cites·5 claims
- 0289US9964315B1Water conservation via convective circulationZIEHM RAYMOND G·Filed 2017·Granted May 8, 2018·5 cites·6 claims
- 0380US8534310B1Hot water circulation systemZIEHM RAYMOND G·Filed 2012·Granted Sep 17, 2013·8 cites·8 claims
- 0469US5518022AAspirator water circulation apparatusFiled 1994·Granted May 21, 1996·30 cites·4 claims
- 0560US2010092164A1Tankless heater instant hot waterZIEHM RAYMOND G·Filed 2009·Application pending·0 cites
- 0658US5918625AIntegral water circulation apparatusFiled 1997·Granted Jul 6, 1999·18 cites·4 claims
- 0757US6161567ASingle chamber water circulatorFiled 1999·Granted Dec 19, 2000·17 cites·4 claims
- 0852US2010263604A1Water heater with passive automatic hot water circulation through a home or buildingZIEHM RAYMOND G·Filed 2010·Application pending·0 cites
- 0951US2008006227A1Water heater with passive automatic hot water circulation through a home or buildingEVERGREEN INNOVATION PARTNERS·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →