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THETFORD CORP

Overview
  • Total Patents
    436
  • GoodIP Patent Rank
    212,617
About

THETFORD CORP has a total of 436 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets civil engineering, machines and environmental technology are HODU CO LTD, SICHUAN LVFA ENVIRONMENTAL TECH CO LTD and JIANGSU FENGCHAO TECH CO LTD.

Patent filings per year

Chart showing THETFORD CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Antos John M 100
#2 Sargent Charles L 55
#3 Antos John Michael 42
#4 Sargent Charles Lee 34
#5 Sargent Frank T 23
#6 Henke Arthur W 21
#7 Cameron David B 19
#8 Sargent Frank Thomas 18
#9 Selina John R 18
#10 Grech George 16

Latest patents

Publication Filing date Title
US2016023217A1 Waste fluid holding tank drain system and method
US2016061359A1 Drain system for a motor vehicle
US2014091261A1 Working material for an absorption cooling machine
EP2562499A1 Refrigerator with externally mounted lighting
EP2562500A1 Absorption refrigerator with temperature control
EP2402517A1 Level indicator for a portable toilet
US2009175758A1 Wastewater tank storage treatment
EP2048361A1 Dual diaphragm pump assembly for a sanitation system
EP1972728A2 Flush toilet
US2008067910A1 Refrigerator shelving system with item retainer
EP1895085A2 Refrigerator capable of being opened from opposite sides
EP1854673A2 Sanitary system for a vehicle including a removable holding tank
EP1845209A1 Macerator toilet
EP1821052A2 Refrigerator having a door with integrated control panel
US2007192951A1 Flush toilet assembly
US2007144204A1 Gas absorption refrigerator
EP1777352A2 Flush toilet control system
US2008007085A1 Frame assembly for vehicle opening and associated method of manufacture
US2007240772A1 In-line, one-way valve assembly
WO2006002256A2 Self-contained sanitary system