Inventor · disambiguated record
Peter Karl Grinbergs
Also filed as: GRINBERGS PETER K · GRINBERGS PETER KARL
10 granted patents·2 pending applications·295 citations·filing 1995–2018
91Inventor score
Files withNUTECH ENERGY SYSTEMS INC5AIRIA LEASING INC2NUTECH R HLDGS INC2AIRIA DEVEL INC1GRINBERGS PETER KARL1
Top patents by PatentIndex Score
12 records- 0190USD376842SHeat recovery ventilatorNUTECH ENERGY SYSTEMS INC·Filed 1995·Granted Dec 24, 1996·51 cites·1 claims
- 0288US8235093B2Flat plate heat and moisture exchangerGRINBERGS PETER KARL·Filed 2008·Granted Aug 7, 2012·20 cites·12 claims
- 0382US5632334AHeat recovery ventilator with room air defrosting featureNUTECH ENERGY SYSTEMS INC·Filed 1995·Granted May 27, 1997·71 cites·13 claims
- 0480US6082704AConnection collar having an adjustable damperNUTECH ENERGY SYSTEMS INC·Filed 1999·Granted Jul 4, 2000·39 cites·12 claims
- 0577US5785117AAir-to-air heat exchanger coreNUTECH ENERGY SYSTEMS INC·Filed 1997·Granted Jul 28, 1998·59 cites·6 claims
- 0665US7374399B2Inline fan housing assembliesNUTECH R HLDGS INC·Filed 2005·Granted May 20, 2008·5 cites·16 claims
- 0765US5855320ACombined furnace and heat recovery systemNUTECH ENERGY SYSTEMS INC·Filed 1997·Granted Jan 5, 1999·36 cites·5 claims
- 0863US7708794B2Separator made of a fibrous porous material such as a feltINST FRANCAIS DU PETROLE·Filed 2002·Granted May 4, 2010·10 cites·22 claims
- 0948US2014076527A1Planar plate core and method of assemblyAIRIA LEASING INC·Filed 2013·Application pending·0 cites
- 1045US10208979B2Planar plate core and method of assemblyAIRIA LEASING INC·Filed 2016·Granted Feb 19, 2019·0 cites·3 claims
- 1145US7007740B2Adjustable flow heat recovery ventilator and methodNUTECH R HLDGS INC·Filed 2003·Granted Mar 7, 2006·4 cites·11 claims
- 1245US2019128556A1Defrost system and method for heat or energy recovery ventilatorAIRIA DEVEL INC·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →