Inventor · disambiguated record
Douglas Swingley
Also filed as: SWINGLEY DOUGLAS · SWINGLEY DOUGLAS R
15 granted patents·1 pending application·142 citations·filing 1996–2022
92Inventor score
Top patents by PatentIndex Score
16 records- 0193US11149874B1Valve operator assemblySPEARS MFG CO·Filed 2021·Granted Oct 19, 2021·3 cites·19 claims
- 0289US11534640B1Pipe fitting incorporating a spherical spin weldSWINGLEY DOUGLAS·Filed 2019·Granted Dec 27, 2022·3 cites·15 claims
- 0389US9611960B2Cut-in fitting for connecting pipeSPEARS MFG CO·Filed 2013·Granted Apr 4, 2017·12 cites·18 claims
- 0483US6899127B1Non-vibrating ball check valveSPEARS MFG CO·Filed 2002·Granted May 31, 2005·29 cites·19 claims
- 0578US7426784B2Compact fire sprinkler attachment insertSPEARS MFG CO·Filed 2005·Granted Sep 23, 2008·10 cites·3 claims
- 0677US12070640B2Pipe fitting incorporating a spherical spin weldSPEARS MFG CO·Filed 2022·Granted Aug 27, 2024·0 cites·15 claims
- 0773US6290267B1Cam-lock fittingSPEARS MFG COMPANY·Filed 1999·Granted Sep 18, 2001·34 cites·10 claims
- 0872US12140258B2Sweep elbow pipe connector with optimized flow pathSPEARS MFG CO·Filed 2022·Granted Nov 12, 2024·0 cites·18 claims
- 0971US11585477B1Sweep elbow pipe connector with optimized flow pathSWINGLEY DOUGLAS·Filed 2019·Granted Feb 21, 2023·1 cites·10 claims
- 1070US7303146B2Pipe fitting with length adjustmentSPEARS MFG CO·Filed 2005·Granted Dec 4, 2007·5 cites·1 claims
- 1170US6959880B2Pipe fitting with length adjustmentSPEARS MFG CO·Filed 2003·Granted Nov 1, 2005·16 cites·1 claims
- 1266US11473694B1Valve operator assemblySPEARS MFG CO·Filed 2021·Granted Oct 18, 2022·0 cites·20 claims
- 1358US8381655B2Aluminum cartridge casing for riflesSPEARS MFG CO·Filed 2012·Granted Feb 26, 2013·4 cites·3 claims
- 1456US6142173AHigh purity corrosion resistant butterfly valveSPEARS MFG COMPANY·Filed 1996·Granted Nov 7, 2000·21 cites·18 claims
- 1551US7178557B2CPVC drain waste and vent fittingsSPEARS MFG CO·Filed 2003·Granted Feb 20, 2007·4 cites·11 claims
- 1642US2005258650A1Threaded pressure fitting with recessed thread rootsSWINGLEY DOUGLAS·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →