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HOLLINGSWORTH & VOSE CO

Overview
  • Total Patents
    493
  • GoodIP Patent Rank
    6,295
  • Filing trend
    ⇩ 16.0%
About

HOLLINGSWORTH & VOSE CO has a total of 493 patent applications. It decreased the IP activity by 16.0%. Its first patent ever was published in 1907. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, machines and textiles and paper are LENSER VERWALTUNGS GMBH, DOWTY MINING MACHINERY LTD and BHA ALTAIR LLC.

Patent filings per year

Chart showing HOLLINGSWORTH & VOSE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Swaminathan Sneha 45
#2 Clement Nicolas 40
#3 Jaganathan Sudhakar 40
#4 Wertz John A 39
#5 Silin Maxim 35
#6 Healey David T 35
#7 Guimond Douglas M 34
#8 Smith Bruce 32
#9 Jiang Zhiping 30
#10 Cox Stephen T 29

Latest patents

Publication Filing date Title
US2020330913A1 Filter media with irregular structure and/or reversibly stretchable layers
US2019393464A1 Pasting papers and capacitance layers for batteries comprising multiple fiber types and/or particles
US2020368654A1 Filter media comprising elastomeric fibers
US2020328390A1 Separators for lead-acid batteries
US2019314747A1 Pre-coalescing multi-layered filter media
US2020179848A1 Nanofibers comprising nanoparticles
US2020171418A1 Filter media having a fine pore size distribution
US2020139281A1 Filter media with irregular structure
US2019126177A1 Fine fiber filter media and processes
US2020054975A1 Filter media comprising binder components
US2019181410A1 Pasting papers and capacitance layers for batteries comprising multiple fiber types and/or particles
WO2018183481A1 Filter media including adhesives and/or oleophobic properties
CN110430932A Filter medium including the waved filter layer with gradient
CN110446538A Filter medium including waved filter layer
US2018243674A1 Electret-containing filter media
WO2018156561A1 Electret-containing filter media
US2019181506A1 Pasting paper for batteries comprising multiple fiber types
US2018236385A1 Electret-containing filter media
EP3519076A1 Filter media including flame retardant fibers
US2019030855A1 Medical protective clothing materials