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MARMAN PRODUCTS COMPANY INC

Overview
  • Total Patents
    30
About

MARMAN PRODUCTS COMPANY INC has a total of 30 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets mechanical elements, machines and measurement are CAILLAU ETS, MIKALOR SA and KAISER EDWARD W.

Patent filings in countries

World map showing MARMAN PRODUCTS COMPANY INCs patent filings in countries
# Country Total Patents
#1 United States 21
#2 United Kingdom 6
#3 Canada 2
#4 Germany 1

Patent filings per year

Chart showing MARMAN PRODUCTS COMPANY INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Christophersen Clarence E 11
#2 Houghton Howard D 4
#3 Woolsey Theodore A 4
#4 Leighton Francis 2
#5 Hite Lester E 2
#6 Francis Leighton 2
#7 Dale Herman Albert 1
#8 Webster Robert A 1
#9 Bernard Fred A 1
#10 Mahoff George A 1

Latest patents

Publication Filing date Title
DE1181506B Detachable pipe connection
GB792789A Improvements in or relating to pipe couplings
US2747897A Serrated semi-v-band coupling
GB742974A Improvements in valve assemblies
GB748390A Improvements in couplings for joining the ends of tube sections
GB746789A Improvements in tube couplings
GB738141A Improvements in tube couplings
GB738140A Improvements in couplings for cylindrical or tubular members
US2711572A Band clamp coupler mechanism
US2727292A Quick coupler latch
US2756079A W-v band coupling
US2685889A Valve of the check valve type
US2729238A Valve mounting
US2729237A Valve assembly
US2665094A Axially tightening band clamp
US2695437A Band connector mechanism
US2679993A Axially tightening band clamp
US2641038A Axially tightening band clamp
US2616644A Axially tightening clamp
US2703722A Tube coupling with frusto-conical metallic seal