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WEDCO

Overview
  • Total Patents
    45
About

WEDCO has a total of 45 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets machines, chemical engineering and basic materials chemistry are MOLDMAN SYSTEMS LLC, SP K B POLIMERNOGO MASH KI N P and PHOENIX INNOVATION TECHNOLOGY INC.

Patent filings per year

Chart showing WEDCOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Feder Friedhelm R 20
#2 Feder F 7
#3 Farrell John J 4
#4 Feder F R 2
#5 Feder R F 1
#6 Hoyt Richard S 1
#7 Thomas John R 1
#8 Feder Friedhelm R Wedco Inc 1
#9 Willoughby William E 1

Latest patents

Publication Filing date Title
CA1248314A Apparatus for making blow molded articles
US4632652A Draw-back valve assembly for an injection molding apparatus
US4680072A Method and apparatus for producing multilayered plastic containing sheets
US4579518A Apparatus for making blow molded articles
US4512732A Heat treating of material in finely divided form
US4421703A Heat treating of material in finely divided form
AU7171181A Heat treating of material in finely divided form
IL62554D0 Heat treating of polymer material in finely divided form
US3864602A Preventing agglomeration of particles during screening due to electrical effects
ZA7207723B Resinous composition containing interiorly disposed particles
US3709562A Pneumatic conveyance system
US3694037A Closed circuit pneumatic conveying
US3710558A Separator of fluid-solid mixtures
US3620463A Disc mill
US3561685A Center fed mill with arcuate discharge screens
US3472491A Apparatus suitable for treatment of thermoplastic material to improve flowability thereof
US3584799A Disc mill for working of thermoplastic material
US3428260A Size reduction of heat sensitive material
US3229002A Method of treating thermoplastic resin in finely divided form to improve flowability
US3302893A Disc mill