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WWG IND

Overview
  • Total Patents
    21
About

WWG IND has a total of 21 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets textiles and paper, electrical machinery and energy and chemical engineering are CHAVANOZ MOULINAGE RETORDERIE, OZEKI TECHNO KK and ACKERMANN ZWIRNEREI.

Patent filings in countries

World map showing WWG INDs patent filings in countries
# Country Total Patents
#1 United States 13
#2 United Kingdom 3
#3 Canada 2
#4 Germany 2
#5 Belgium 1

Patent filings per year

Chart showing WWG INDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Norris Alan H 16
#2 Chambley Phillip W 11
#3 Mcdaniel Ollie F Jr 1
#4 Chambley P 1
#5 Chambley Phillip 1
#6 Norris A 1

Latest patents

Publication Filing date Title
US4279120A Self twist yarn and method and apparatus for making such yarns
US4246750A Self-twist yarn and method of making same
CA1119059A Self twist yarn and method and apparatus for making such yarns
GB2022154A Self-twist yarn and method of making same
CA1119060A Self-twist yarn and method of making same
US4276740A Self-twisted yarn and method and apparatus for producing it
US4186549A Packaging of self-twist yarns
US4216735A Multi-colored tufted carpet and method of producing same
US4170103A Node fixation in self-twist yarn
US4198735A Method for forming temporary fabrics
US4170868A Yarn forming apparatus with mechanical node locking
US4173115A Yarn forming apparatus with node welding
US4142355A Self-twist yarn node fixation apparatus and method
US4173861A Method and apparatus for controlling twist in yarn
US4215642A Variable twist self-twist yarn
US4157683A Printing system