Learn more

US FILTER WASTEWATER GROUP INC

Overview
  • Total Patents
    145
About

US FILTER WASTEWATER GROUP INC has a total of 145 patent applications. Its first patent ever was published in 1995. It filed its patents most often in WIPO (World Intellectual Property Organization), Canada and United States. Its main competitors in its focus markets chemical engineering, environmental technology and machines are POLYPROJECT SWEDEN AB, SCHULER FILTERTECH WILHELM and BENESI STEVE C.

Patent filings per year

Chart showing US FILTER WASTEWATER GROUP INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zha Fufang 46
#2 Johnson Warren Thomas 34
#3 Beck Thomas William 19
#4 Muller Heinz-Joachim 16
#5 Lazaredes Huw Alexander 12
#6 Mullette Daniel 12
#7 Jordan Edward John 11
#8 Cox David John 11
#9 Cao Zhiyi 10
#10 Johnson Warren T 8

Latest patents

Publication Filing date Title
WO2006029465A1 Continuously variable aeration
WO2006029456A1 Methods and apparatus for removing solids from a membrane module
CA2575867A1 Chemical and process for cleaning membranes
WO2006002479A1 Hydrophilic membranes
CN1988949A Gas transfer membrane
WO2005118117A1 Retractable cantilever rack support
WO2005092799A1 Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
WO2005097287A1 Tankage system incorporating adsorption clarification and parallel plate separation
AU2005211837A1 Continuous pressure decay test
KR20060098430A Backwash and cleaning method
CN1842364A Backwash
CA2535360A1 Backwash
SG119706A1 Improved methods of cleaning membrane modules
CA2508423A1 A membrane module and a method of cleaning said module
KR20050056229A Backwash method
AU2003903507A0 Membrane post-treatment
US6641733B2 Apparatus and method for cleaning membrane filtration modules
EP1312408A2 Method of cleaning membranes
AU2002952048A0 Backwash method
AU2002951974A0 Backwash method