Assignee
TGK CO LTD
US·121 granted patents·46 pending applications·1,370 citations·filing 1985–2020
Top patents by PatentIndex Score
167 records- 0196US10837431B2Control valve for variable displacement compressorTGK CO LTD·Filed 2018·Granted Nov 17, 2020·31 cites·7 claims
- 0295US6270015B1Radiator for a vehicleTGK CO LTD·Filed 2000·Granted Aug 7, 2001·64 cites·15 claims
- 0394US10557463B2Control valve for variable displacement compressorTGK CO LTD·Filed 2018·Granted Feb 11, 2020·28 cites·2 claims
- 0494US10113539B2Control valve for variable displacement compressorTGK CO LTD·Filed 2016·Granted Oct 30, 2018·25 cites·12 claims
- 0592US9732874B2Composite valve with main valve element and sub-valve elementTGK CO LTD·Filed 2013·Granted Aug 15, 2017·43 cites·19 claims
- 0691US7381031B2Control valve for variable displacement compressorTGK CO LTD·Filed 2005·Granted Jun 3, 2008·29 cites·4 claims
- 0791US5702235ACapacity control device for valiable-capacity compressorTGK CO LTD·Filed 1996·Granted Dec 30, 1997·77 cites·15 claims
- 0889US7452192B2Control valve for variable displacement compressorTGK CO LTD·Filed 2005·Granted Nov 18, 2008·13 cites·14 claims
- 0988US9556862B2Control valve for variable displacement compressorTGK CO LTD·Filed 2015·Granted Jan 31, 2017·10 cites·16 claims
- 1088US7207186B2Refrigeration cycleTGK CO LTD·Filed 2004·Granted Apr 24, 2007·32 cites·17 claims
- 1188US6351959B1Refrigerating cycle with a by-pass lineTGK CO LTD·Filed 2000·Granted Mar 5, 2002·34 cites·12 claims
- 1286US9803770B2Motor operated valveTGK CO LTD·Filed 2015·Granted Oct 31, 2017·7 cites·8 claims
- 1386US9285051B2Control valve driven by stepping motorTGK CO LTD·Filed 2013·Granted Mar 15, 2016·9 cites·8 claims
- 1486US6662581B2Variable displacement compressor and displacement control valve for variable displacement compressorTGK CO LTD·Filed 2002·Granted Dec 16, 2003·34 cites·19 claims
- 1585US9366353B2Control valve driven by stepping motorTGK CO LTD·Filed 2014·Granted Jun 14, 2016·8 cites·6 claims
- 1685US7117895B2Switching valveTGK CO LTD·Filed 2006·Granted Oct 10, 2006·11 cites·2 claims
- 1785US6443708B1Compression volume control apparatus for refrigeration cycleTGK CO LTD·Filed 2000·Granted Sep 3, 2002·27 cites·14 claims
- 1884US7118088B2Fluid control valveTGK CO LTD·Filed 2005·Granted Oct 10, 2006·10 cites·10 claims
- 1984US6866242B2Proportional valveTGK CO LTD·Filed 2003·Granted Mar 15, 2005·32 cites·6 claims
- 2083USD589118SExpansion valveTGK CO LTD·Filed 2007·Granted Mar 24, 2009·28 cites·1 claims
- 2182US9903362B2Control valve for a variable displacement compressorTGK CO LTD·Filed 2014·Granted Feb 27, 2018·5 cites·2 claims
- 2282US7437881B2Control valve for variable displacement compressorTGK CO LTD·Filed 2006·Granted Oct 21, 2008·7 cites·6 claims
- 2382US7165421B2Refrigeration systemTGK CO LTD·Filed 2005·Granted Jan 23, 2007·10 cites·5 claims
- 2482US7028713B2Switching valveTGK CO LTD·Filed 2003·Granted Apr 18, 2006·22 cites·4 claims
- 2580US10948099B2Motor operated valveTGK CO LTD·Filed 2020·Granted Mar 16, 2021·3 cites·5 claims
- 2680US9651037B2Control valve for a variable displacement compressorTGK CO LTD·Filed 2013·Granted May 16, 2017·11 cites·7 claims
- 2780US6804970B2Method of controlling refrigeration cycleTGK CO LTD·Filed 2003·Granted Oct 19, 2004·23 cites·14 claims
- 2880US6279331B1Vehicular refrigerating cycle with a bypass lineTGK CO LTD·Filed 2000·Granted Aug 28, 2001·28 cites·7 claims
- 2979US4591677AThree-function pressure switchTGK CO LTD·Filed 1985·Granted May 27, 1986·28 cites·2 claims
- 3076USD621475SExpansion valve of an air conditioning systemTGK CO LTD·Filed 2008·Granted Aug 10, 2010·22 cites·1 claims
- 3176US7387501B2Control valve for variable displacement compressorTGK CO LTD·Filed 2005·Granted Jun 17, 2008·5 cites·7 claims
- 3275US9556961B2Control valveTGK CO LTD·Filed 2014·Granted Jan 31, 2017·4 cites·16 claims
- 3375US4593166ADual action pressure switchTGK CO LTD·Filed 1985·Granted Jun 3, 1986·22 cites·3 claims
- 3474US7263857B2Constant flow rate expansion valueTGK CO LTD·Filed 2006·Granted Sep 4, 2007·4 cites·5 claims
- 3574US7040595B2Constant flow rate expansion valveTGK CO LTD·Filed 2003·Granted May 9, 2006·20 cites·24 claims
- 3674US6315266B1Pilot-operated flow regulating valveTGK CO LTD·Filed 2000·Granted Nov 13, 2001·26 cites·11 claims
- 3773US6390441B2Solenoid operated pilot valveTGK CO LTD·Filed 2001·Granted May 21, 2002·18 cites·12 claims
- 3873US5127237AExpansion valveTGK CO LTD·Filed 1990·Granted Jul 7, 1992·50 cites·21 claims
- 3972US9702601B2Expansion valve and vibration-proof springTGK CO LTD·Filed 2013·Granted Jul 11, 2017·2 cites·6 claims
- 4071US10309702B2Control valveTGK CO LTD·Filed 2015·Granted Jun 4, 2019·1 cites·16 claims
- 4171US9863411B2Control valve for a variable displacement compressorTGK CO LTD·Filed 2014·Granted Jan 9, 2018·2 cites·14 claims
- 4271US6783110B2Proportional solenoid valveTGK CO LTD·Filed 2002·Granted Aug 31, 2004·18 cites·20 claims
- 4371US6612542B2Motor operated butterfly valveTGK CO LTD·Filed 2001·Granted Sep 2, 2003·16 cites·18 claims
- 4470US9523441B2Electromagnetic valveTGK CO LTD·Filed 2014·Granted Dec 20, 2016·3 cites·8 claims
- 4570US7014427B1Capacity controller of capacity variable compressorTGK CO LTD·Filed 2000·Granted Mar 21, 2006·14 cites·6 claims
- 4669US9885506B2Expansion valveTGK CO LTD·Filed 2015·Granted Feb 6, 2018·1 cites·10 claims
- 4767US6662582B2Displacement control valveTGK CO LTD·Filed 2002·Granted Dec 16, 2003·11 cites·6 claims
- 4867USD415564SThermostatic expansion valve for vehicle air conditioning systemsTGK CO LTD·Filed 1997·Granted Oct 19, 1999·19 cites·1 claims
- 4966US7121811B2Capacity control valve for variable displacement compressorTGK CO LTD·Filed 2003·Granted Oct 17, 2006·8 cites·8 claims
- 5066US6957663B2Solenoid control valveTGK CO LTD·Filed 2003·Granted Oct 25, 2005·15 cites·22 claims
Showing the top 50 of 167 patent records by PatentIndex Score.
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