Assignee
SPEARS MFG CO
US·26 granted patents·292 citations·filing 1998–2022
Top patents by PatentIndex Score
26 records- 0193US11149874B1Valve operator assemblySPEARS MFG CO·Filed 2021·Granted Oct 19, 2021·3 cites·19 claims
- 0291US9810359B2Pipe couplingSPEARS MFG CO·Filed 2015·Granted Nov 7, 2017·15 cites·20 claims
- 0390US9709202B2Pipe connector fitting with elongate gasket and metal threadsSPEARS MFG CO·Filed 2015·Granted Jul 18, 2017·7 cites·15 claims
- 0489US9765912B2Telescoping pipe couplingSPEARS MFG CO·Filed 2015·Granted Sep 19, 2017·11 cites·17 claims
- 0589US9611960B2Cut-in fitting for connecting pipeSPEARS MFG CO·Filed 2013·Granted Apr 4, 2017·12 cites·18 claims
- 0688US7458613B2Rotatable fire sprinkler fittingSPEARS MFG CO·Filed 2006·Granted Dec 2, 2008·19 cites·19 claims
- 0783US6899127B1Non-vibrating ball check valveSPEARS MFG CO·Filed 2002·Granted May 31, 2005·29 cites·19 claims
- 0882US9611970B2Pipe capSPEARS MFG CO·Filed 2015·Granted Apr 4, 2017·6 cites·14 claims
- 0982US7017951B2Strengthened pipe fitting having encapsulated reenforcing collarSPEARS MFG CO·Filed 2002·Granted Mar 28, 2006·29 cites·20 claims
- 1078US7426784B2Compact fire sprinkler attachment insertSPEARS MFG CO·Filed 2005·Granted Sep 23, 2008·10 cites·3 claims
- 1178US6991268B2Pipe fitting having over-sized strengthened starter threadsSPEARS MFG CO·Filed 2004·Granted Jan 31, 2006·23 cites·3 claims
- 1277US12070640B2Pipe fitting incorporating a spherical spin weldSPEARS MFG CO·Filed 2022·Granted Aug 27, 2024·0 cites·15 claims
- 1372US12140258B2Sweep elbow pipe connector with optimized flow pathSPEARS MFG CO·Filed 2022·Granted Nov 12, 2024·0 cites·18 claims
- 1470US7303146B2Pipe fitting with length adjustmentSPEARS MFG CO·Filed 2005·Granted Dec 4, 2007·5 cites·1 claims
- 1570US6959880B2Pipe fitting with length adjustmentSPEARS MFG CO·Filed 2003·Granted Nov 1, 2005·16 cites·1 claims
- 1670US6866305B2Pipe fitting having strengthened starter threadsSPEARS MFG CO·Filed 2002·Granted Mar 15, 2005·16 cites·28 claims
- 1768US12196347B2Grip lock fire sprinkler connectorSPEARS MFG CO·Filed 2021·Granted Jan 14, 2025·0 cites·20 claims
- 1867US6302446B1Union fitting replacement nutSPEARS MFG CO·Filed 2000·Granted Oct 16, 2001·16 cites·16 claims
- 1966US11473694B1Valve operator assemblySPEARS MFG CO·Filed 2021·Granted Oct 18, 2022·0 cites·20 claims
- 2066US6260819B1Locking valveSPEARS MFG CO·Filed 1999·Granted Jul 17, 2001·37 cites·2 claims
- 2158US8381655B2Aluminum cartridge casing for riflesSPEARS MFG CO·Filed 2012·Granted Feb 26, 2013·4 cites·3 claims
- 2257US9151426B2Closure fitting for containment pipingSPEARS MFG CO·Filed 2013·Granted Oct 6, 2015·1 cites·18 claims
- 2353US6575431B2Weir-type diaphragm valve with raised arcuate beadSPEARS MFG CO·Filed 1999·Granted Jun 10, 2003·19 cites·18 claims
- 2451US7178557B2CPVC drain waste and vent fittingsSPEARS MFG CO·Filed 2003·Granted Feb 20, 2007·4 cites·11 claims
- 2543US7004194B2Check valve with pressure relief featureSPEARS MFG CO·Filed 2004·Granted Feb 28, 2006·1 cites·18 claims
- 2629US6149107APipe fitting support bracketSPEARS MFG CO·Filed 1998·Granted Nov 21, 2000·9 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →