Inventor · disambiguated record
Donald D. Savard
Also filed as: SAVARD DONALD · SAVARD DONALD D
17 granted patents·3 pending applications·311 citations·filing 1986–2015
94Inventor score
Files withINTERPROVINCIAL PIPE LINE COMP4PA PLUG INC3SAVARD DONALD D3DONSA INC2INTERPROVINCIAL PIPE LINE INC1
Top patents by PatentIndex Score
20 records- 0187US4875615AVapor plug for temporarily sealing or plugging a pipelineINTERPROVINCIAL PIPE LINE COMP·Filed 1989·Granted Oct 24, 1989·51 cites·4 claims
- 0282US5199464APipeline repair sleeve assembly having heat sink grooveINTERPROVINCIAL PIPE LINE INC·Filed 1992·Granted Apr 6, 1993·59 cites·1 claims
- 0372US6857329B2Pig for detecting an obstruction in a pipelineDONSA INC·Filed 2003·Granted Feb 22, 2005·20 cites·11 claims
- 0472US6679129B2Pig for detecting an obstruction in a pipelineDONSA INC·Filed 2002·Granted Jan 20, 2004·21 cites·12 claims
- 0570US8734004B2Mixer nozzle assemblySTEFFLER SHAWN P·Filed 2011·Granted May 27, 2014·3 cites·14 claims
- 0670US5123451APipeline repair sleeve assemblyINTERPROVINCIAL PIPELINE COMPA·Filed 1989·Granted Jun 23, 1992·38 cites·3 claims
- 0764US6129118ADownstream plugPA PLUG INC·Filed 1999·Granted Oct 10, 2000·30 cites·7 claims
- 0862US4634040AProcess for welding pipe ends and an insulating ring thereforSAVARD DONALD D·Filed 1986·Granted Jan 6, 1987·19 cites·1 claims
- 0960US5012842AFluid actuated pipe clamp tightenerINTERPROVINCIAL PIPE LINE COMP·Filed 1990·Granted May 7, 1991·26 cites·2 claims
- 1059US9180415B2Mixer nozzle assemblyMIXER TECHNOLOGIES INC·Filed 2014·Granted Nov 10, 2015·1 cites·16 claims
- 1156US8932413B2Apparatus with control linkage for re-suspending solids in fluid in a tankSAVARD DONALD D·Filed 2009·Granted Jan 13, 2015·0 cites·7 claims
- 1255US6041811APlug for forming an ice barrier in a pipelinePA PLUG INC·Filed 1998·Granted Mar 28, 2000·22 cites·23 claims
- 1350US2010282867A1Self-powered nozzle assembly with hydraulic dampener for cleaning tanksSAVARD DONALD D·Filed 2009·Application pending·0 cites
- 1449US5186214ATemporary disintegratable plug for an open-ended oil pipelineINTERPROVINCIAL PIPE LINE COMP·Filed 1990·Granted Feb 16, 1993·17 cites·2 claims
- 1548US9586185B2Mixer nozzle assemblyMIXER TECH INC·Filed 2015·Granted Mar 7, 2017·0 cites·9 claims
- 1641US2002095736A1Layered scraper cupFiled 2001·Application pending·0 cites
- 1741US2003056309A1Pipeline pig cleaning apparatusFiled 2001·Application pending·0 cites
- 1837US8701233B2Mechanism for adjusting the circumference of scraper cups or discsSAVARD DONNA·Filed 2010·Granted Apr 22, 2014·0 cites·16 claims
- 1931US6098664APipeline plugPA PLUG INC·Filed 1999·Granted Aug 8, 2000·4 cites·12 claims
- 2029US4885044AMethod of controlling hardness of pipe weld-joints by radially inserting insulating rings prior to tempering heat-treatmentINTERPROVINCIAL PIPE LINE COMP·Filed 1988·Granted Dec 5, 1989·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →