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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | Canada | 7 |
# | Industry | |
---|---|---|
#1 | Furniture and games | |
#2 | Environmental technology | |
#3 | Packaging and shipping | |
#4 | Machine tools | |
#5 | Machines | |
#6 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Chairs and beds | |
#2 | Smoking accessories | |
#3 | Office furniture | |
#4 | Containers for goods storage | |
#5 | Unspecified technologies | |
#6 | Thread cutting | |
#7 | Garbage disposal |
# | Name | Total Patents |
---|---|---|
#1 | Hamilton Bertis F | 18 |
#2 | Hamilton Clarence O | 2 |
#3 | Hamilton William S | 2 |
#4 | Hamilton Earl F | 2 |
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 |