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CHAMBERLIN COMPANY OF AMERICA

Overview
  • Total Patents
    25
About

CHAMBERLIN COMPANY OF AMERICA has a total of 25 patent applications. Its first patent ever was published in 1944. It filed its patents most often in Canada, United States and France. Its main competitors in its focus markets civil engineering and machines are KRANTZ WALTER M, SIGFRID PERSSON ERIC and LOUIS TOTH.

Patent filings in countries

World map showing CHAMBERLIN COMPANY OF AMERICAs patent filings in countries
# Country Total Patents
#1 Canada 11
#2 United States 10
#3 France 2
#4 United Kingdom 2

Patent filings per year

Chart showing CHAMBERLIN COMPANY OF AMERICAs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Willett Leon E 17
#2 Cook John T 5
#3 Smith Frank R 4
#4 Baker Raymond G 3
#5 Smith Frank R E 3
#6 Max Seide 1
#7 Pillsbury Howard G 1
#8 Seide Max 1
#9 Gottesleben Alvin H 1

Latest patents

Publication Filing date Title
US2886960A Emergency releasable locking means
US2744297A Combination guide and weatherstrip for sliding window constructions
US2667669A Window construction
US2739471A Detention screen locking means
US2667671A Window construction
US2633192A Emergency releasable locking mechanism for detention screens
US2629147A Weather strip seal for door bottoms
GB623524A Improvement in safety screens
US2537109A Metal screen frame
GB609353A Detention screen
US2498716A Detention screen suspension
US2385585A Detention window
CA522368A Window construction
CA497735A Emergency releasable locking mechanism for detention screens
CA501253A Window construction
CA522367A Combination guide and weatherstrip for sliding window construction
CA525261A Weather strip seal for door bottoms
CA467371A Detention screen suspensions
CA445348A Detention screen
CA481498A Key operated lock mechanism