HALL ROBERT E has a total of 13 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, transport and civil engineering are VANDERLIP LOUIS C, FAIRCHILD LOCK CORP and GERAGHTY JOHN P.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Canada | 5 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Transport | |
#3 | Civil engineering | |
#4 | Machine tools | |
#5 | Furniture and games |
# | Technology | |
---|---|---|
#1 | Unspecified technologies | |
#2 | Vehicle signalling and lighting | |
#3 | Household appliances | |
#4 | Swimming pools | |
#5 | Unspecified technologies | |
#6 | Bolts for doors or windows | |
#7 | Hand carts | |
#8 | Wing fittings | |
#9 | Tools for connecting or disengaging | |
#10 | Vehicle parts |
# | Name | Total Patents |
---|---|---|
#1 | Hall Robert E | 13 |
Publication | Filing date | Title |
---|---|---|
CA1128480A | Adjustable mailbox standard | |
US4213560A | Adjustable mailbox standard | |
US4243350A | Winch load fastening apparatus | |
CA1069093A | Load carrying apparatus | |
US2730207A | Collapsible tower and hoist | |
US2740626A | Automatic window control | |
US2664524A | Automatic lighting circuit | |
US2648801A | Automatic lighting circuit | |
US1931695A | Cabinet latch | |
US657821A | Chafing-roller for wagons. | |
CA551456A | Power brake | |
CA520699A | Automatic lighting circuit | |
CA329548A | Cabinet latch |