Assignee
HOLLINGSWORTH & VOSE CO
US·113 granted patents·106 pending applications·1,928 citations·filing 1977–2025
Top patents by PatentIndex Score
219 records- 0199US6554881B1Filter mediaHOLLINGSWORTH & VOSE CO·Filed 2000·Granted Apr 29, 2003·247 cites·14 claims
- 0298US6858057B2Filter mediaHOLLINGSWORTH & VOSE CO·Filed 2003·Granted Feb 22, 2005·170 cites·18 claims
- 0397US11684885B2Filter media comprising a pre-filter layerHOLLINGSWORTH & VOSE CO·Filed 2021·Granted Jun 27, 2023·4 cites·20 claims
- 0497US11167232B2Filter media comprising a pre-filter layerHOLLINGSWORTH & VOSE CO·Filed 2019·Granted Nov 9, 2021·10 cites·20 claims
- 0597US9786885B2Battery separators comprising inorganic particlesHOLLINGSWORTH & VOSE CO·Filed 2015·Granted Oct 10, 2017·11 cites·26 claims
- 0697US9728756B2Multi-region battery separatorsHOLLINGSWORTH & VOSE CO·Filed 2017·Granted Aug 8, 2017·13 cites·40 claims
- 0797US9627668B1Multi-region battery separatorsHOLLINGSWORTH & VOSE CO·Filed 2016·Granted Apr 18, 2017·14 cites·20 claims
- 0897US9577236B2Multi-region battery separatorsHOLLINGSWORTH & VOSE CO·Filed 2016·Granted Feb 21, 2017·15 cites·23 claims
- 0996US9293748B1Multi-region battery separatorsHOLLINGSWORTH & VOSE CO·Filed 2014·Granted Mar 22, 2016·17 cites·18 claims
- 1095US12011686B2Filter media comprising a pre-filter layerHOLLINGSWORTH & VOSE CO·Filed 2023·Granted Jun 18, 2024·1 cites·20 claims
- 1195US11484821B2Filter media including adhesivesHOLLINGSWORTH & VOSE CO·Filed 2020·Granted Nov 1, 2022·3 cites·22 claims
- 1295US10682595B2Filter media suitable for hydraulic applicationsHOLLINGSWORTH & VOSE CO·Filed 2018·Granted Jun 16, 2020·12 cites·22 claims
- 1395US10543441B2Filter media including adhesives and/or oleophobic propertiesHOLLINGSWORTH & VOSE CO·Filed 2017·Granted Jan 28, 2020·7 cites·25 claims
- 1495US10252200B2Filter media including a filtration layer comprising synthetic fibersHOLLINGSWORTH & VOSE CO·Filed 2016·Granted Apr 9, 2019·13 cites·19 claims
- 1595US9687771B2Waved filter media and elementsHOLLINGSWORTH & VOSE CO·Filed 2014·Granted Jun 27, 2017·15 cites·19 claims
- 1695US9283501B2Filter media with a multi-layer structureHOLLINGSWORTH & VOSE CO·Filed 2014·Granted Mar 15, 2016·15 cites·22 claims
- 1795US7883562B2Waved filter media and elementsHOLLINGSWORTH & VOSE CO·Filed 2008·Granted Feb 8, 2011·31 cites·24 claims
- 1894US11123668B2Filter media including a filtration layer comprising synthetic fibersHOLLINGSWORTH & VOSE CO·Filed 2019·Granted Sep 21, 2021·8 cites·20 claims
- 1994US10343095B2Filter media comprising a pre-filter layerHOLLINGSWORTH & VOSE CO·Filed 2014·Granted Jul 9, 2019·12 cites·23 claims
- 2094US10135051B2Battery components comprising fibersHOLLINGSWORTH & VOSE CO·Filed 2016·Granted Nov 20, 2018·6 cites·23 claims
- 2194US9950284B2Filter media suitable for hydraulic applicationsHOLLINGSWORTH & VOSE CO·Filed 2014·Granted Apr 24, 2018·21 cites·28 claims
- 2294US9718020B2Waved filter media and elementsHOLLINGSWORTH & VOSE CO·Filed 2013·Granted Aug 1, 2017·13 cites·5 claims
- 2394US9149748B2Multi-layered filter mediaHOLLINGSWORTH & VOSE CO·Filed 2013·Granted Oct 6, 2015·33 cites·98 claims
- 2493US11369904B2Filter media including adhesives and/or oleophobic propertiesHOLLINGSWORTH & VOSE CO·Filed 2019·Granted Jun 28, 2022·4 cites·22 claims
- 2593US11014030B2Filter media including flame retardant fibersHOLLINGSWORTH & VOSE CO·Filed 2016·Granted May 25, 2021·7 cites·19 claims
- 2693US10155187B2Filter media with a multi-layer structureHOLLINGSWORTH & VOSE CO·Filed 2015·Granted Dec 18, 2018·5 cites·22 claims
- 2793US9511330B2Fibrillated fibers for liquid filtration mediaHOLLINGSWORTH & VOSE CO·Filed 2013·Granted Dec 6, 2016·22 cites·22 claims
- 2893US8357220B2Multi-phase filter mediumHOLLINGSWORTH & VOSE CO·Filed 2009·Granted Jan 22, 2013·25 cites·30 claims
- 2992US10431796B2Multi-region battery separatorsHOLLINGSWORTH & VOSE CO·Filed 2017·Granted Oct 1, 2019·3 cites·18 claims
- 3092US10399024B2Surface modified filter mediaHOLLINGSWORTH & VOSE CO·Filed 2015·Granted Sep 3, 2019·9 cites·24 claims
- 3192US9149749B2Pre-coalescing multi-layered filter mediaHOLLINGSWORTH & VOSE CO·Filed 2014·Granted Oct 6, 2015·16 cites·62 claims
- 3292US6419839B1Pool and spa filter mediaHOLLINGSWORTH & VOSE CO·Filed 2000·Granted Jul 16, 2002·108 cites·23 claims
- 3392US4271228ASheet material containing exfoliated vermiculiteHOLLINGSWORTH & VOSE CO·Filed 1980·Granted Jun 2, 1981·135 cites·5 claims
- 3491US11266941B2Surface modified filter mediaHOLLINGSWORTH & VOSE CO·Filed 2019·Granted Mar 8, 2022·5 cites·20 claims
- 3591US10898838B2Filter media including adhesivesHOLLINGSWORTH & VOSE CO·Filed 2016·Granted Jan 26, 2021·4 cites·28 claims
- 3691US10014501B2Battery separators having a low apparent densityHOLLINGSWORTH & VOSE CO·Filed 2015·Granted Jul 3, 2018·8 cites·19 claims
- 3790US11289771B2Battery components comprising fibersHOLLINGSWORTH & VOSE CO·Filed 2018·Granted Mar 29, 2022·2 cites·20 claims
- 3890US11077394B2Electret-containing filter mediaHOLLINGSWORTH & VOSE CO·Filed 2017·Granted Aug 3, 2021·4 cites·23 claims
- 3990US10644289B2Battery separators comprising inorganic particlesHOLLINGSWORTH & VOSE CO·Filed 2017·Granted May 5, 2020·2 cites·23 claims
- 4090US10279291B2Pre-coalescing multi-layered filter mediaHOLLINGSWORTH & VOSE CO·Filed 2015·Granted May 7, 2019·6 cites·20 claims
- 4190US10177360B2Battery separators with controlled pore structureHOLLINGSWORTH & VOSE CO·Filed 2014·Granted Jan 8, 2019·5 cites·16 claims
- 4290US10080985B2Multi-layered filter mediaHOLLINGSWORTH & VOSE CO·Filed 2015·Granted Sep 25, 2018·6 cites·16 claims
- 4389US12274968B2Filter media comprising a pre-filter layerHOLLINGSWORTH & VOSE CO·Filed 2024·Granted Apr 15, 2025·0 cites·20 claims
- 4489US10828587B2Stable filter media including nanofibersHOLLINGSWORTH & VOSE CO·Filed 2015·Granted Nov 10, 2020·4 cites·29 claims
- 4589US10814261B2Electret-containing filter mediaHOLLINGSWORTH & VOSE CO·Filed 2017·Granted Oct 27, 2020·5 cites·26 claims
- 4689US10270074B2Battery separators comprising chemical additives and/or other componentsHOLLINGSWORTH & VOSE CO·Filed 2016·Granted Apr 23, 2019·5 cites·27 claims
- 4789US6495286B2Glass fiber separators for lead-acid batteriesHOLLINGSWORTH & VOSE CO·Filed 2001·Granted Dec 17, 2002·42 cites·8 claims
- 4889US2026081303A1Embossed separatorsHOLLINGSWORTH & VOSE CO·Filed 2025·Application pending·0 cites
- 4988US11420143B2Filter media with irregular structure and/or reversibly stretchable layersHOLLINGSWORTH & VOSE CO·Filed 2020·Granted Aug 23, 2022·2 cites·24 claims
- 5088US5645627ACharge stabilized electret filter mediaHOLLINGSWORTH & VOSE CO·Filed 1995·Granted Jul 8, 1997·105 cites·10 claims
Showing the top 50 of 219 patent records by PatentIndex Score.
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