Assignee
ECR TECHNOLOGIES INC
US·8 granted patents·287 citations·filing 1988–2005
Top patents by PatentIndex Score
8 records- 0187US5560220AMethod for testing an earth tap heat exchanger and associated apparatusECR TECHNOLOGIES INC·Filed 1995·Granted Oct 1, 1996·56 cites·32 claims
- 0286US5771700AHeat pump apparatus and related methods providing enhanced refrigerant flow controlECR TECHNOLOGIES INC·Filed 1995·Granted Jun 30, 1998·81 cites·46 claims
- 0383US7695534B2Chemical synthesis methods using electro-catalysisECR TECHNOLOGIES INC·Filed 2005·Granted Apr 13, 2010·11 cites·10 claims
- 0478US5561985AHeat pump apparatus including earth tap heat exchangerECR TECHNOLOGIES INC·Filed 1995·Granted Oct 8, 1996·59 cites·47 claims
- 0574US7722755B2Method of electro-catalytic reaction to produce mono alkyl esters for renewable biodieselECR TECHNOLOGIES INC·Filed 2004·Granted May 25, 2010·22 cites·34 claims
- 0656US6058719AHeat pump apparatus having refrigerant level indication and associated methodsECR TECHNOLOGIES INC·Filed 1997·Granted May 9, 2000·22 cites·23 claims
- 0753US5687578AHeat pump apparatus and related methods producing enhanced refrigerant flow stabilityECR TECHNOLOGIES INC·Filed 1995·Granted Nov 18, 1997·19 cites·42 claims
- 0846US4831843AFluid flow control systemECR TECHNOLOGIES INC·Filed 1988·Granted May 23, 1989·17 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →