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EMILE JOHN WELFFENS

Overview
  • Total Patents
    22
About

EMILE JOHN WELFFENS has a total of 22 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United Kingdom, Germany and Switzerland. Its main competitors in its focus markets textiles and paper and mechanical elements are WUERTTBG SPINDELFABRIK G M B H, BROWN SPIN WRIGHT COMPANY and ROTORCRAFT AG.

Patent filings in countries

World map showing EMILE JOHN WELFFENSs patent filings in countries
# Country Total Patents
#1 United Kingdom 11
#2 Germany 6
#3 Switzerland 3
#4 France 2

Patent filings per year

Chart showing EMILE JOHN WELFFENSs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 John Welffens Emile 3
#2 Welffens Emile John 2

Latest patents

Publication Filing date Title
GB373253A Improvements in knitting machines and the production of fabrics thereon
GB340825A Improvements in or relating to jacks for knitting machines
GB327831A Improvements in or relating to circular warp knitting machines
GB265830A Improvements in and relating to building motions for slubbing, roving and like frames
GB266947A Improvements in and relating to swing gearing for slubbing, roving and like frames
GB229582A Improvements in and relating to swing gearing for slubbing, roving and like frames
GB233934A Improvements in and relating to variable speed gearing
GB243579A Improvements in and relating to the driving of drawing rollers in spinning machinery
GB204731A Improvements relating to swing gearing for slubbing, roving, and like frames
GB188419A Improvements in or relating to means for starting, stopping and driving machinery
GB190740A Planetary gearing