Inventor · disambiguated record
Allan K. So
Also filed as: SO ALLAN K
19 granted patents·2 pending applications·629 citations·filing 1991–2019
95Inventor score
Top patents by PatentIndex Score
21 records- 0196US6199626B1Self-enclosing heat exchangersLONG MFG LTD·Filed 2000·Granted Mar 13, 2001·60 cites·28 claims
- 0295US6273183B1Heat exchanger turbulizers with interrupted convolutionsLONG MFG LTD·Filed 2000·Granted Aug 14, 2001·110 cites·18 claims
- 0394US7946339B2Multifluid heat exchangerDANA CANADA CORP·Filed 2006·Granted May 24, 2011·22 cites·20 claims
- 0493US10355331B2Heat exchanger with regional flow distribution for uniform cooling of battery cellsDANA CANADA CORP·Filed 2016·Granted Jul 16, 2019·5 cites·23 claims
- 0593US5575329APassive by-pass for heat exchangersLONG MFG LTD·Filed 1994·Granted Nov 19, 1996·91 cites·23 claims
- 0693US5107922AOptimized offset strip fin for use in contact heat exchangersLONG MFG LTD·Filed 1991·Granted Apr 28, 1992·72 cites·21 claims
- 0792USRE35890EOptimized offset strip fin for use in compact heat exchangersLONG MFG LTD·Filed 1992·Granted Sep 8, 1998·72 cites·1 claims
- 0892US5538077AIn tank oil coolerLONG MFG LTD·Filed 1995·Granted Jul 23, 1996·93 cites·15 claims
- 0991US7703505B2Multifluid two-dimensional heat exchangerDANA CANADA CORP·Filed 2006·Granted Apr 27, 2010·19 cites·18 claims
- 1089US8733427B2Multifluid heat exchangerSO ALLAN K·Filed 2011·Granted May 27, 2014·8 cites·19 claims
- 1188US10274259B2Multi-sided heat exchangers with compliant heat transfer surfacesDANA CANADA CORP·Filed 2015·Granted Apr 30, 2019·3 cites·25 claims
- 1285US8191615B2Linked heat exchangers having three fluidsSO ALLAN K·Filed 2006·Granted Jun 5, 2012·18 cites·16 claims
- 1384US9121316B2Exhaust gas heat recovery deviceGERGES IHAB EDWARD·Filed 2012·Granted Sep 1, 2015·7 cites·19 claims
- 1481US10048020B2Heat transfer surfaces with flanged aperturesDANA CANADA CORP·Filed 2013·Granted Aug 14, 2018·4 cites·20 claims
- 1568US8453719B2Heat transfer surfaces with flanged aperturesSPERANDEI BRYAN·Filed 2006·Granted Jun 4, 2013·4 cites·14 claims
- 1668US5369883AMethod for making an in tank oil coolerLONG MFG LTD·Filed 1993·Granted Dec 6, 1994·34 cites·11 claims
- 1757US6976531B2Heat exchanger, method of forming a sleeve which may be used in the heat exchanger, and a sleeve formed by the methodDANA CANADA CORP·Filed 2003·Granted Dec 20, 2005·7 cites·7 claims
- 1854US2009260789A1Heat exchanger with expanded metal turbulizerDANA CANADA CORP·Filed 2008·Application pending·0 cites
- 1945US11371782B2Heat exchanger with parallel flow features to enhance heat conductionDANA CANADA CORP·Filed 2019·Granted Jun 28, 2022·0 cites·20 claims
- 2039US10295282B2Heat exchanger with flow obstructions to reduce fluid dead zonesDANA CANADA CORP·Filed 2015·Granted May 21, 2019·0 cites·23 claims
- 2135US2005045315A1Concentric tube heat exchanger and end seal thereforFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →