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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →