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