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CENTRAL PLASTICS CO

Overview
  • Total Patents
    33
About

CENTRAL PLASTICS CO has a total of 33 patent applications. Its first patent ever was published in 1980. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, mechanical elements and electrical machinery and energy are STURM WERNER, UPONOR ALDYL COMPANY and TOUTELECTRIC.

Patent filings in countries

World map showing CENTRAL PLASTICS COs patent filings in countries

Patent filings per year

Chart showing CENTRAL PLASTICS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ramsey Russel G 9
#2 Evans Harold J 6
#3 Inhofe Jr James A 4
#4 Veeley Tom 3
#5 Lucas Bryan 3
#6 Springer Richard E 2
#7 Stiles Terry L 2
#8 Eggleston Dean E 2
#9 Hall Howard Wayne 1
#10 Pourchot Melvin E 1

Latest patents

Publication Filing date Title
US2007176413A1 Corrosion resistant gas service riser assembly
US6896297B2 Gas service riser assembly and ductile pipe to plastic pipe transition connection
US5988692A Metal to plastic pipe transition fitting
US5988689A Heat-shrinkable electrofusion fittings and methods
US5798021A Clamping apparatus for an electrofusion joint
US5252157A Electrothermal fusion of large diameter pipes by electric heating wire wrapping and sleeve connector
GB9009645D0 A method of connecting pipes
US4978837A Method and apparatus for electrically heat welding thermoplastic fittings
US4894521A Electric heating element for fusing thermoplastic materials
US4801159A Anodeless riser assembly
US4708527A Plastic pile protector and method of covering a pile with same
AU5635086A Welding thermoplastic pipe joint
US4684789A Thermoplastic fitting electric welding method and apparatus
US4642155A Thermoplastic fitting electric heat welding method and apparatus
US4631107A Thermoplastic fitting electric heat welding apparatus
US4663794A Plastic pipe scraper
US4602148A Thermoplastic fitting electric heat welding method and apparatus
US4713129A Plastic pile protector and method of covering a pile with same
US4343518A Rod guide apparatus