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CULLIGAN INT CO

Overview
  • Total Patents
    273
  • GoodIP Patent Rank
    49,645
About

CULLIGAN INT CO has a total of 273 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, environmental technology and machines are ZHEJIANG QINYUAN WATER PURIFIER SCIENCE & TECHNOLOGY CO LTD, PENTAIR RESIDENTIAL FILTRATION LLC and SUQIAN HANSHU ENVIRONMENTAL PROT EQUIPMENT CO LTD.

Patent filings per year

Chart showing CULLIGAN INT COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Quinn Kerry 43
#2 Rak Stanley F 31
#3 Norton William W 30
#4 Wayman Gene 23
#5 Premathilake Kumudika 22
#6 Van Newenhizen John 20
#7 Anderson Doug 19
#8 Sahni Harkirat 19
#9 Sloma Adam 17
#10 Webb Lonnie 15

Latest patents

Publication Filing date Title
WO2020028395A1 Home water-based drink formulating system
US2019210895A1 Softener eductor with embedded check valve
CA2996339A1 Control valve assembly for fluid treatment apparatus
US2017114903A1 Control valve for fluid treatment apparatus
US2016214041A1 Remote control faucet filter system
US2014262989A1 Reverse osmosis system with an automated modulated bypass
KR20110083555A A system and method for controlling multiple sized water softening tanks
MX2010001052A Grey water treatment system.
CN103204567A Sensor Assembly For Controlling Water Softener Tanks
CA2639981A1 Electronic bypass system for a fluid treatment system
EP2045491A2 Control valve for a fluid treatment system
CA2640100A1 Communication system for a water softener system
CA2639110A1 Salometer and flow rate sensor assembly
US2006266710A1 Method for determining the duration of a brine/slow rinse cycle for a water conditioner
US2005109703A1 Flow-through tank for water treatment
NZ530467A Valve for brine valve for a fluid treatment system with sealing member out of flow and drain means
US6830683B2 Filter cartridge assembly with brine seal and retaining ring
US2003168394A1 Swivelling filter head assembly
US2003132164A1 Efficiency mode for water softener
US5699272A Water softening system with self adjusting rinse cycle