Assignee
TLV CO LTD
US·117 granted patents·3 pending applications·959 citations·filing 1980–2024
Top patents by PatentIndex Score
120 records- 0194US4898022ASteam trap operation detectorTLV CO LTD·Filed 1988·Granted Feb 6, 1990·131 cites·9 claims
- 0293US11333256B2Valve mechanism for discharging fluid from a valve portTLV CO LTD·Filed 2020·Granted May 17, 2022·3 cites·3 claims
- 0388US9851260B2Sensor fixtureTLV CO LTD·Filed 2014·Granted Dec 26, 2017·8 cites·9 claims
- 0487US4791954ASelf-regulated pressure control valveTLV CO LTD·Filed 1987·Granted Dec 20, 1988·51 cites·9 claims
- 0583US10460268B2System and method for generating device work orders based on work patterns and plant locationTLV CO LTD·Filed 2015·Granted Oct 29, 2019·3 cites·12 claims
- 0682US6739288B1Steam heating deviceTLV CO LTD·Filed 2000·Granted May 25, 2004·19 cites·5 claims
- 0781US10072409B2Backflow prevention apparatusTLV CO LTD·Filed 2017·Granted Sep 11, 2018·4 cites·3 claims
- 0880US7316205B2Steam-heating apparatusTLV CO LTD·Filed 2005·Granted Jan 8, 2008·4 cites·3 claims
- 0978US10816954B2Risk assessment device, risk assessment method, and risk assessment programTLV CO LTD·Filed 2018·Granted Oct 27, 2020·8 cites·8 claims
- 1078US10605295B2Sensor fixation deviceTLV CO LTD·Filed 2015·Granted Mar 31, 2020·4 cites·4 claims
- 1177US5655888APump and combination pump and trap with snap-over mechanism and double-seal outlet valveTLV CO LTD·Filed 1995·Granted Aug 12, 1997·28 cites·27 claims
- 1276US10738894B2Valve mechanism for removing foreign matter at valve portTLV CO LTD·Filed 2018·Granted Aug 11, 2020·2 cites·3 claims
- 1376US4727750ASteam leakage measuring deviceTLV CO LTD·Filed 1987·Granted Mar 1, 1988·32 cites·3 claims
- 1475USD1040300SValve unitTLV CO LTD·Filed 2022·Granted Aug 27, 2024·4 cites·1 claims
- 1575US7130804B2Method of supporting sales and maintenance of steam traps and aggregating system for use in the methodTLV CO LTD·Filed 2001·Granted Oct 31, 2006·21 cites·17 claims
- 1673US11015718B2Valve deviceTLV CO LTD·Filed 2019·Granted May 25, 2021·1 cites·6 claims
- 1773US10234329B2Sensor deviceTLV CO LTD·Filed 2017·Granted Mar 19, 2019·2 cites·4 claims
- 1873US10101022B2Fluid utilization facility management method and fluid utilization facility management systemTLV CO LTD·Filed 2015·Granted Oct 16, 2018·1 cites·12 claims
- 1973US7415942B2Steam-heating apparatusTLV CO LTD·Filed 2006·Granted Aug 26, 2008·5 cites·1 claims
- 2073US7316204B2Steam-heating apparatusTLV CO LTD·Filed 2005·Granted Jan 8, 2008·2 cites·3 claims
- 2172US11294366B2Monitoring system, monitoring method and monitoring program for steam-using facilityTLV CO LTD·Filed 2019·Granted Apr 5, 2022·1 cites·5 claims
- 2272US10655755B2Sensor connection structureTLV CO LTD·Filed 2017·Granted May 19, 2020·2 cites·4 claims
- 2372US7089960B2Ball valveTLV CO LTD·Filed 2004·Granted Aug 15, 2006·28 cites·17 claims
- 2471USD676110SAutomatic drain valveTLV CO LTD·Filed 2010·Granted Feb 12, 2013·17 cites·1 claims
- 2571US7698102B2Method of diagnosing system, method of operating aggregating system for system diagnosis, and aggregating system for system diagnosisTLV CO LTD·Filed 2004·Granted Apr 13, 2010·5 cites·4 claims
- 2670US11953110B2Valve deviceTLV CO LTD·Filed 2023·Granted Apr 9, 2024·0 cites·4 claims
- 2770US7289918B2Portable leak detectorTLV CO LTD·Filed 2002·Granted Oct 30, 2007·14 cites·13 claims
- 2867US6880128B2Equipment inspection and evaluation system, equipment management system, and computer-readable record medium with equipment management program stored thereinTLV CO LTD·Filed 2001·Granted Apr 12, 2005·9 cites·14 claims
- 2967US6244829B1Liquid forced-feed apparatusTLV CO LTD·Filed 1998·Granted Jun 12, 2001·25 cites·33 claims
- 3065US10928004B2Threshold value calculation system, and threshold value calculation methodTLV CO LTD·Filed 2016·Granted Feb 23, 2021·1 cites·3 claims
- 3165US6420167B1Fermentation treatment apparatus of organic wasteTLV CO LTD·Filed 1999·Granted Jul 16, 2002·21 cites·7 claims
- 3264US11713958B2Position detection sensorTLV CO LTD·Filed 2021·Granted Aug 1, 2023·0 cites·5 claims
- 3364US5401142ACondensate discharging deviceTLV CO LTD·Filed 1993·Granted Mar 28, 1995·24 cites·1 claims
- 3463US7448408B2Check valveTLV CO LTD·Filed 2003·Granted Nov 11, 2008·9 cites·1 claims
- 3563US7017528B2Steam-heating apparatusTLV CO LTD·Filed 2004·Granted Mar 28, 2006·4 cites·3 claims
- 3663US5934881ASnap action float valve assembly with reversible plate spring for liquid feeding deviceTLV CO LTD·Filed 1996·Granted Aug 10, 1999·22 cites·14 claims
- 3762USD876586SAutomatic drain valveTLV CO LTD·Filed 2018·Granted Feb 25, 2020·8 cites·1 claims
- 3862USD674472SSteam trapTLV CO LTD·Filed 2011·Granted Jan 15, 2013·11 cites·1 claims
- 3962US7540170B2Liquid pressure-feed deviceTLV CO LTD·Filed 2008·Granted Jun 2, 2009·2 cites·1 claims
- 4062US5445501ASnap action float valve assembly for liquid feeding deviceTLV CO LTD·Filed 1994·Granted Aug 29, 1995·21 cites·2 claims
- 4161US9791104B2Float type drain trapTLV CO LTD·Filed 2013·Granted Oct 17, 2017·1 cites·2 claims
- 4261US6772093B2Equipment inspection and evaluation system, equipment management system, and computer-readable record medium with equipment management program stored thereinTLV CO LTD·Filed 2001·Granted Aug 3, 2004·6 cites·18 claims
- 4361US4736886ADisk type steam trapTLV CO LTD·Filed 1985·Granted Apr 12, 1988·18 cites·4 claims
- 4460US10663162B2Fluid utilization facility management method and fluid utilization facility management systemTLV CO LTD·Filed 2018·Granted May 26, 2020·0 cites·13 claims
- 4560US10536290B2Data transmission system, management device, non-transitory recording medium recording data transmission program, and data transmission methodTLV CO LTD·Filed 2018·Granted Jan 14, 2020·1 cites·4 claims
- 4660US6850848B2Equipment inspection and evaluation system, equipment management system, and computer-readable record medium with equipment management program stored thereinTLV CO LTD·Filed 2001·Granted Feb 1, 2005·6 cites·16 claims
- 4760US6710776B2Position finder, measuring apparatus with position finder, and measuring systemTLV CO LTD·Filed 2000·Granted Mar 23, 2004·14 cites·10 claims
- 4860US6701287B2Monitoring system with power supply built thereinTLV CO LTD·Filed 2002·Granted Mar 2, 2004·7 cites·17 claims
- 4959US11371382B2Steam-using facility monitoring systemTLV CO LTD·Filed 2020·Granted Jun 28, 2022·0 cites·12 claims
- 5058US6725179B1Monitoring system with power supply built thereinTLV CO LTD·Filed 1999·Granted Apr 20, 2004·17 cites·9 claims
Showing the top 50 of 120 patent records by PatentIndex Score.
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