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CELGARD LLC

Overview
  • Total Patents
    485
  • GoodIP Patent Rank
    5,190
  • Filing trend
    ⇩ 13.0%
About

CELGARD LLC has a total of 485 patent applications. It decreased the IP activity by 13.0%. Its first patent ever was published in 1990. It filed its patents most often in United States, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, environmental technology and electrical machinery and energy are TORAY BATTERY SEPARATOR FILM, GORE W L & ASS CO LTD and ISHIHARA TAKESHI.

Patent filings per year

Chart showing CELGARD LLCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Xiaomin 117
#2 Shi Lie 101
#3 Zhang Zhengming 92
#4 Stokes Kristoffer K 79
#5 Humiston Karl F 65
#6 Reinartz Stefan 55
#7 Wensley C Glen 52
#8 Xiao Kang Karen 45
#9 Adams Changqing Wang 42
#10 Smith Ronnie E 39

Latest patents

Publication Filing date Title
WO2021046009A1 Improved lead acid battery separators incorporating carbon, and improved batteries, systems, vehicles, and related methods
WO2020242902A1 Functional coating for separator
WO2020242903A1 Improved coated battery separator
WO2020242894A1 Improved coated battery separators and batteries
TW202044646A Polyamide-imide coated separators for high energy rechargeable lithium batteries
WO2020142708A1 Polyimide coated separator for lithium batteries or capacitor
WO2020142702A1 Battery separators that include a microporous membrane and a coating.
WO2020060886A1 Multilayer membranes, separators, batteries, and methods
EP3799665A2 Microlayer membranes, battery separators, batteries, and related methods
KR20210006986A Battery separator, coated battery separator, cell, and related method
AU2019247382A1 Solid state batteries, sse batteries, lithium metal batteries with solid state electrolytes, hsse, separators, and/or coatings, and/or related methods
US2021043903A1 Microporous membranes, battery separators, and methods for making and using the same
WO2019143483A1 Improved coated separators, lithium batteries, and related methods
CN111463391A Improved coated separator, lithium battery and related methods
EP3704748A1 Improved microporus membranes, battery separators, batteries, and devices having the same
KR20200054253A Infiltrative base films, improved infiltrative products and related manufacturing methods
WO2018217990A1 New or improved microporous membranes, battery separators, coated separators, batteries, and related methods
CN110770942A Improved battery separators, electrodes, galvanic cells, lithium batteries, and related methods
KR20190075140A Improved micro-layer membranes, improved battery separators and related methods
CN110168774A Battery separator