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POLY JOHN ENTERPRISES CORP

Overview
  • Total Patents
    14
About

POLY JOHN ENTERPRISES CORP has a total of 14 patent applications. Its first patent ever was published in 1984. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and environmental technology are BJA TRADING LTD, ROYAL WOLF TRADING AUSTRALIA PTY LTD and GUNNEBO TROAX AB.

Patent filings in countries

World map showing POLY JOHN ENTERPRISES CORPs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 5

Patent filings per year

Chart showing POLY JOHN ENTERPRISES CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harding George W 13
#2 Hiskes George 3
#3 Mullett Rodney M 1
#4 Tagg Richard L 1

Latest patents

Publication Filing date Title
US5500960A Flush system for outdoor portable toilets
US4922557A Outdoor toilet holding tank ventilation system
US4918765A Portable toilet cabana
CA1311898C Portable toilet cabana
US4895400A Slide latch for cabana doors
US4761840A Portable toilet cabana
US4831671A Portable toilet cabana
CA1255852A Portable toilet cabana
US4793100A Slide latch for cabana doors
US4637299A Vent opening for portable building wall
CA1251314A Portable toilet cabana
US4577351A Portable toilet cabana