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HENRY FILTERS INC

Overview
  • Total Patents
    82
About

HENRY FILTERS INC has a total of 82 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets chemical engineering, engines, pumps and turbines and machines are RIGA INC, ENVIRONEERING and CASTELLA PIERRE DE.

Patent filings per year

Chart showing HENRY FILTERS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mcewen Stephen N 51
#2 Mcewen Scott M 25
#3 Creps John L 14
#4 Hallett Richard A 11
#5 Harms Eugene H 11
#6 Benschoter Robert F 10
#7 Creps Jay M 10
#8 Bailey Michael R 7
#9 Palumbo Anthony J 5
#10 Hallet Richard A 5

Latest patents

Publication Filing date Title
US2002050472A1 Differential pressure filtering system having a cylindrical drum with dome-shaped ends
US2003091425A1 Low profile pump
WO0007487A1 Cylindrical filter
US5985145A Shaft mounted gear box
US6017446A Floor mounted filtration system
US6125883A Floor mounted double containment low profile sump pump assembly
US5961847A Filter apparatus with dual drive loops
US5961828A Compact drive system utilizing gear box with worm and cycloidal gears
US5705747A Methods and system for scaleable liquid display and control
US5637213A Immersible filter drum unit and method for assembling thereof
US5503520A Pump for filtration systems
US5344556A Filter media rewinding mechanism
US5417849A Machine tool coolant filtering system
US5389256A Filter apparatus for machine tool coolant
US5315880A Method for measuring fluid velocity by measuring the Doppler frequency shift or microwave signals
US5330648A Filter media hold down mechanism
US5300220A Trough system for machine tool coolant collection flumes
US5338443A Filter media tensioning device
WO9116541A1 Pump mounting apparatus for filtration system
US5154584A Pump for filtration systems