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HAMILTON BERTIS F

Overview
  • Total Patents
    18
About

HAMILTON BERTIS F has a total of 18 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States and Canada. Its main competitors in its focus markets furniture and games, environmental technology and packaging and shipping are ASHLEY FURNITURE INDUSTRIES INC, ASHLEY FURNITURE IND INC and SHIN YEH ENTERPRISE CO LTD.

Patent filings in countries

World map showing HAMILTON BERTIS Fs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 7

Patent filings per year

Chart showing HAMILTON BERTIS Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hamilton Bertis F 18
#2 Hamilton Clarence O 2
#3 Hamilton William S 2
#4 Hamilton Earl F 2

Latest patents

Publication Filing date Title
US2687166A Tilting chair
US2673590A Vertically adjustable pedestal chair
US2656881A Metal furniture
US2598788A Stool
US2572474A Collapsible table with lock means for paired legs
US2615663A Waste can closure operator and support
US2525670A Seat for chairs or stools
US2345971A Holder for sifter-top cans
US2306879A Stool or chair
US2085314A Match safe
US1468501A Nut-tapping machine
CA478827A Seats for chairs or stools
CA504731A Stool
CA517488A Metal furniture
CA515828A Chair
CA523070A Step stool
CA523068A Step stool
CA523071A Furniture construction