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CELGARD INC

Overview
  • Total Patents
    251
  • GoodIP Patent Rank
    236,464
About

CELGARD INC has a total of 251 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, EPO (European Patent Office) and Japan. Its main competitors in its focus markets electrical machinery and energy, environmental technology and machines are NANO NOW PTY LTD, SHENZHEN SENIOR TECHNOLOGY MATERIAL CO LTD and BOUNDLESS CORP.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Call Ronald W 41
#2 Zhang Zhengming 40
#3 Simmons Donald K 36
#4 Nguyen Khuy V 28
#5 Sengupta Amitava 23
#6 Chambers Kevin D 22
#7 Yu Ta-Hua 21
#8 Wensley C Glen 19
#9 Arora Pankaj 18
#10 Wensley Glen C 16

Latest patents

Publication Filing date Title
US2005287425A1 Li/MnO2 battery separators with selective ion transport
SG129295A1 Battery separator and method of making same
US2005244717A1 Battery separator with antistatic properties
US2005218064A1 Three-port high performance mini hollow fiber membrane contactor
SG115647A1 Battery separator for lithium polymer battery
US2005208372A1 Separator for a battery having a zinc electrode
US2005202306A1 Direct methanol fuel cell
US2005202163A1 Method of making a composite microporous membrane
US2005193551A1 Method of preventing short circuiting in a lithium ion battery
US7264725B2 Hollow fiber membrane contactor and method of making same
US2005172513A1 Breathable sole structure for footwear
US2005170153A1 Printable thin microporous membrane
SG115561A1 Proton exchange membrane (pem) for a fuel cell
US2005058595A1 Reactor and method for generating hydrogen from a metal hydride
US7087343B2 High melt integrity battery separator for lithium ion batteries
US2004166415A1 Oxidation resistant separator for a battery
CA2418600A1 Multilayer battery separators
US2004086782A1 Explosion-proof separator for Li-ion secondary batteries
US2003099877A1 Battery separator
EP1256372A2 Hollow fiber membrane contactor and method for making same