Inventor · disambiguated record
Sandra M. Lippka
Also filed as: LIPPKA SANDRA M
21 granted patents·3 pending applications·340 citations·filing 1989–2024
95Inventor score
Files withTYCO FIRE PRODUCTS LP16LIPPKA SANDRA M3GRINNELL CORP2ANVIL INTERNATIONAL INC1MASSACHUSETTS INST TECHNOLOGY1
Top patents by PatentIndex Score
24 records- 0197US5778715ACold rolling positioning roller assemblyGRINNELL CORP·Filed 1996·Granted Jul 14, 1998·73 cites·19 claims
- 0289USD865919SPipe couplingTYCO FIRE PRODUCTS LP·Filed 2018·Granted Nov 5, 2019·27 cites·1 claims
- 0388US11692653B2Pre-assembled pipe coupling with an insertion boundary for axial receipt of pipe endsTYCO FIRE PRODUCTS LP·Filed 2022·Granted Jul 4, 2023·1 cites·18 claims
- 0488US8646814B2Coupling gaskets and associated methodsLIPPKA SANDRA M·Filed 2008·Granted Feb 11, 2014·21 cites·10 claims
- 0588US6196039B1Groove rolling of piping elementsANVIL INTERNATIONAL INC·Filed 1999·Granted Mar 6, 2001·67 cites·34 claims
- 0685US12331855B2Pre-assembled pipe coupling with manually manipulatable segmentsTYCO FIRE PRODUCTS LP·Filed 2024·Granted Jun 17, 2025·0 cites·18 claims
- 0785USD889611SPipe couplingTYCO FIRE PRODUCTS LP·Filed 2019·Granted Jul 7, 2020·19 cites·1 claims
- 0885USD836184SPipe couplingTYCO FIRE PRODUCTS LP·Filed 2017·Granted Dec 18, 2018·25 cites·1 claims
- 0985US5570603AMethod and apparatus for cold rolling piping element connections having multiple outward stepsGRINNELL CORP·Filed 1995·Granted Nov 5, 1996·36 cites·2 claims
- 1083USD836185SPipe couplingTYCO FIRE PRODUCTS LP·Filed 2017·Granted Dec 18, 2018·22 cites·1 claims
- 1182US10100954B2Systems and methods for pipe couplingsTYCO FIRE PRODUCTS LP·Filed 2016·Granted Oct 16, 2018·4 cites·13 claims
- 1281US12038109B2Pre-assembled pipe coupling with manually manipulatable segmentsTYCO FIRE PRODUCTS LP·Filed 2023·Granted Jul 16, 2024·0 cites·20 claims
- 1381USD839399SPipe couplingTYCO FIRE PRODUCTS LP·Filed 2017·Granted Jan 29, 2019·20 cites·1 claims
- 1481US9404608B2Systems and methods for pipe couplingsLIPPKA SANDRA M·Filed 2010·Granted Aug 2, 2016·6 cites·20 claims
- 1576US11754209B2Pre-assembled pipe coupling with manually manipulatable segmentsTYCO FIRE PRODUCTS LP·Filed 2022·Granted Sep 12, 2023·0 cites·20 claims
- 1676US11313496B2Pre-assembled pipe coupling with manually manipulatable segmentsTYCO FIRE PRODUCTS LP·Filed 2018·Granted Apr 26, 2022·1 cites·20 claims
- 1773US11378209B2Pre-assembled pipe coupling with an insertion boundary for axial receipt of pipe endsTYCO FIRE PRODUCTS LP·Filed 2018·Granted Jul 5, 2022·1 cites·16 claims
- 1861USD839398SPipe couplingTYCO FIRE PRODUCTS LP·Filed 2017·Granted Jan 29, 2019·8 cites·1 claims
- 1949US9080700B2Coupling gaskets and associated methodsLIPPKA SANDRA M·Filed 2011·Granted Jul 14, 2015·0 cites·11 claims
- 2048US12449074B2Pipe couplingTYCO FIRE PRODUCTS LP·Filed 2020·Granted Oct 21, 2025·0 cites·19 claims
- 2147US2023160508A1Pipe coupling gasketTYCO FIRE PRODUCTS LP·Filed 2021·Application pending·0 cites
- 2241US2015300549A1Mechanical Pipe FittingTYCO FIRE PRODUCTS LP·Filed 2014·Application pending·0 cites
- 2339US4998313ASelf-adjusting variable height gangway systemMASSACHUSETTS INST TECHNOLOGY·Filed 1989·Granted Mar 12, 1991·9 cites·8 claims
- 2438US2016040816A1Mechanical pipe fittingSHURJOINT PIPING PRODUCTS INC·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →