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GELMAN SCIENCES INC

Overview
  • Total Patents
    141
About

GELMAN SCIENCES INC has a total of 141 patent applications. Its first patent ever was published in 1978. It filed its patents most often in United States, EPO (European Patent Office) and Japan. Its main competitors in its focus markets chemical engineering, machines and measurement are LONDON POWER COMPANY LTD, MICROPORE INC and GROCHOWSKI HORST.

Patent filings per year

Chart showing GELMAN SCIENCES INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Katsnelson Inessa 15
#2 Vadnay Attila 13
#3 Tanny Gerald B 13
#4 Vincent Monty E 11
#5 Hu Hopin 11
#6 Sklar Eric 10
#7 Kraus Menahem 10
#8 Steere William C 10
#9 Shchori Ehud 10
#10 Kenigsberg Yitzchak 9

Latest patents

Publication Filing date Title
EP0812160A1 Disposable point of use air and water filter for dental syringes
US5601711A Selective separation filter device
US5510243A Multiple chromogen enzyme targeting (MCET) for use in bacterial contamination monitoring
US5531893A Inter-penetrating network charge modified microporous membrane
US5403482A Self-supporting, pleated, spirally wound filter and the corresponding process of making
US5277812A Inter-penetrating network charge modified microporous membrane
US5308483A Microporous filtration funnel assembly
US5209849A Hydrophilic microporous polyolefin membrane
WO9319937A1 Package for preservative agent and method for its manufacture
US5178765A Hydrophilic membranes prepared from polyethersulfone/poly-2-oxazoline/polyvinylpyrrolidone blend
US5269931A Cationic charge modified microporous membranes
US5200073A Polymeric film filter assembly
US5141639A Vacuum filter assembly
US5104536A Polymeric film filter assembly
US5108607A Filtration membranes and method of making the same
US5151189A Cationic charge modified microporous membrane
US5160626A Blotting methods using polyaldehyde activated membranes
EP0484462A1 Process for treating a porous substrate to achieve improved water and oil repellency
US5156780A process for treating a porous substrate to achieve improved water and oil repellency
US5076935A Filtration membranes made from polyethersulfone/phenoxy resin blend