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COLUMBUS PLASTIC PRODUCTS INC

Overview
  • Total Patents
    19
About

COLUMBUS PLASTIC PRODUCTS INC has a total of 19 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United States, Switzerland and Germany. Its main competitors in its focus markets machines, furniture and games and packaging and shipping are EGGERT HEINRICH, RIKSEHM KLOUZHUR SISTEMZ INK and INJECTION MOLDING COMPANY.

Patent filings in countries

World map showing COLUMBUS PLASTIC PRODUCTS INCs patent filings in countries
# Country Total Patents
#1 United States 16
#2 Switzerland 1
#3 Germany 1
#4 United Kingdom 1

Patent filings per year

Chart showing COLUMBUS PLASTIC PRODUCTS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roop Nathan W 8
#2 Kelly George W 4
#3 Kelly George Walter 2
#4 Teague Jr Walter Dorwin 1
#5 George Walter Kelly 1
#6 Johnson Roland E 1
#7 Stansbury Jr Benjamin H 1
#8 Braley William J 1
#9 Walter Kelly George 1

Latest patents

Publication Filing date Title
US3263252A Plastic shoe tree
US3209408A Antifriction plasticizer head for plastic-extruding machines
US3027041A Tableware drainer
US2911680A Electrically heated sprue bushing for injection molding apparatus
GB811878A Improvements in die construction for injection-type molding machines
US2764781A Plasticizer for injection molding machines
US2695115A Food container
US2773284A Die construction for pressure injection molding machines
US2736452A Receptacle for bakery products
US2770011A Die construction for injection-type molding machines
US2670234A Food-serving appliance
US2652283A Water-holding and dispensing receptacle
US2646187A Hinge construction for receptacles composed of molded parts
US2725162A Molded condiment receptacle
US2575770A Nesting kitchen canister set
US2537915A Cube forming tray for refrigerators
US2475657A Receptacle for dispensing paper sheets