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GELMAN INSTR CO

Overview
  • Total Patents
    33
About

GELMAN INSTR CO has a total of 33 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets chemical engineering, medical technology and measurement are TOKYO BI TECH LAB INC, SECON and PALL CORP.

Patent filings in countries

World map showing GELMAN INSTR COs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 6
#3 Japan 4
#4 United Kingdom 3
#5 Italy 3
#6 Germany 2
#7 France 2
#8 Australia 1
#9 Brazil 1
#10 Sweden 1

Patent filings per year

Chart showing GELMAN INSTR COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gelman Charles 5
#2 Vadnay Attila 5
#3 Boomus Mary 4
#4 Sobin Bernard 4
#5 Gelman C 3
#6 Hauk Dale I 3
#7 Tanny Gerald B 3
#8 Vadnay A 3
#9 Vincent Monty E 2
#10 Baanaado Sobin 2

Latest patents

Publication Filing date Title
US4341538A Intravenous filter
US4244820A Fluid purification system
CA1066674A Mouth filter for use with pipettes
US4111807A Mouth filter for use with pipettes
US4160700A Petri dish
US4001120A Water filter device
AU8543575A Water filter device
US4025438A Water filter device
US3831759A Funnel with magnetic filter retainer
US3827286A Device for blood sedimentation rate estimation
US3750187A Recording and integrator unit
CA1007173A Filtering unit for medical liquid
US3396096A Magnetic holder for electrophoresis material
CA839783A Microporous resinous material