Inventor · disambiguated record
David E. Woollums
Also filed as: WOOLLUMS DAVID E · WOOLLUMS DAVID EDWARD
16 granted patents·1 pending application·331 citations·filing 1990–2024
94Inventor score
Files withFISHER CONTROLS INT9MUELLER INT LLC4EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC2HAWKINS JAMES CHESTER1WOOLLUMS DAVID E1
Top patents by PatentIndex Score
17 records- 0196US6539315B1Regulator flow measurement apparatusFISHER CONTROLS INT·Filed 2000·Granted Mar 25, 2003·111 cites·38 claims
- 0294US11920706B2Method of using a mechanical joint restraintMUELLER INT LLC·Filed 2022·Granted Mar 5, 2024·2 cites·22 claims
- 0393US11808386B2Mechanical joint restraintMUELLER INT LLC·Filed 2020·Granted Nov 7, 2023·3 cites·20 claims
- 0492US11566732B2Mechanical joint restraintMUELLER INT LLC·Filed 2019·Granted Jan 31, 2023·5 cites·14 claims
- 0589US6441744B1Regulator diagnostics system and methodFISHER CONTROLS INT·Filed 2000·Granted Aug 27, 2002·39 cites·50 claims
- 0688US8485213B2Internal relief valve apparatus for use with loading regulatorsHAWKINS JAMES CHESTER·Filed 2008·Granted Jul 16, 2013·31 cites·20 claims
- 0782US12510194B2Mechanical joint restraintMUELLER INT LLC·Filed 2024·Granted Dec 30, 2025·0 cites·25 claims
- 0881US7197407B2Fuel tank level monitoring system and methodFISHER CONTROLS INT·Filed 2003·Granted Mar 27, 2007·30 cites·14 claims
- 0978US6536469B2Self-centering magnet assembly for use in a linear travel measurement deviceFISHER CONTROLS INT·Filed 2001·Granted Mar 25, 2003·34 cites·14 claims
- 1061US4972868AFlow restrictor and diverter for direct acting pressure regulatorFISHER CONTROLS INT·Filed 1990·Granted Nov 27, 1990·25 cites·9 claims
- 1159US5062449AVibration dampener for direct acting pressure regulatorFISHER CONTROLS INT·Filed 1990·Granted Nov 5, 1991·23 cites·10 claims
- 1256US9303779B2Slam shut safety device with guided plug supportEMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC·Filed 2013·Granted Apr 5, 2016·1 cites·19 claims
- 1352US5709369ASelf-aligning valve disc assemblyFISHER CONTROLS INT·Filed 1996·Granted Jan 20, 1998·18 cites·6 claims
- 1445US9212753B2Slam shut safety device with guided valve discEMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC·Filed 2013·Granted Dec 15, 2015·0 cites·20 claims
- 1538US5700950AProver adapter for a fluid metering deviceFISHER CONTROLS INT·Filed 1996·Granted Dec 23, 1997·9 cites·7 claims
- 1638US2005155644A1Natural gas odorant injection systemFISHER CONTROLS INT·Filed 2005·Application pending·0 cites
- 1736US8616521B2Fail safe retaining plug assembly for a slam-shut safety deviceWOOLLUMS DAVID E·Filed 2011·Granted Dec 31, 2013·0 cites·17 claims
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