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MEMBREX INC

Overview
  • Total Patents
    48
About

MEMBREX INC has a total of 48 patent applications. Its first patent ever was published in 1984. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, machines and mechanical elements are AAFLOWSYSTEMS GMBH & CO KG, ZHU XIAOQIONG and SCHUMACHER NIHON KK.

Patent filings per year

Chart showing MEMBREX INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hodgins Leonard T 30
#2 Rolchigo Philip M 28
#3 Yu Guanghua 12
#4 Kahn Malcolm R 11
#5 Samuelsen Edgar 9
#6 Jen Chang W 6
#7 Badiali Mario 6
#8 Shmidt Iosif 6
#9 Samuelson Edgar 1
#10 Hodgins Leonard 1

Latest patents

Publication Filing date Title
US5944998A Rotary filtration device with flow-through inner member
US5993674A Rotary disc filtration device with means to reduce axial forces
US5707517A Immersible rotary disc filtration device
US5820690A Cleaning processes using cleaners exhibiting cloud point behavior
US5254250A Rotary filtration device and filter pack therefor
US5143630A Rotary disc filtration device
US5000848A Rotary filtration device with hyperphilic membrane
CA1327023C Rotary filtration device with hyperphilic membrane
US4867878A Liquid bearing for rotary apparatus
US4876013A Small volume rotary filter
US4906379A Hydrophilic article and method of producing same
AU1497588A Hydrophilic article and method of producing same
US4911847A Process for controlling the permeate composition in a rotary filtration device
US4790942A Filtration method and apparatus
EP0165992A1 Filtration method and apparatus.
EP0277660A2 Filtration method and apparatus