GOODKNIGHT ALVA L has a total of 15 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport and machines are CALEB SMITH BRAGG, GRAHAM JOHN M and PENDRY WILLIAM A.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 5 |
# | Technology | |
---|---|---|
#1 | Vehicle brake control systems | |
#2 | Unspecified technologies | |
#3 | Railway brakes |
# | Name | Total Patents |
---|---|---|
#1 | Goodknight Alva L | 15 |
Publication | Filing date | Title |
---|---|---|
US2101708A | Air brake mechanism | |
US2077788A | Air brake mechanism | |
US2077787A | Air brake mechanism | |
US1835999A | Air brake mechanism | |
US1736910A | Air-brake mechanism | |
US1073038A | Self-adjusting brake-shoe. | |
US943778A | Air-brake-adjusting device for loaded and empty cars. | |
US869837A | Air-brake system. | |
CA103644A | Air brake | |
US847936A | Air-brake mechanism. | |
CA98976A | Air brake | |
CA95578A | Air brake | |
US813090A | Air-brake mechanism. | |
CA93432A | Air brake | |
CA327030A | Air brake mechanism |