SHEFFIELD CAR CO has a total of 64 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and mechanical elements are FRANTZ VIRGIL L, MCKEEN MOTOR CAR COMPANY and THOMAS GEORGE PAUL.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 63 | |
#2 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Machines | |
#3 | Mechanical elements | |
#4 | Engines, pumps and turbines | |
#5 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Unspecified technologies | |
#2 | Locomotives | |
#3 | Railway shifting | |
#4 | Venting or aerating devices | |
#5 | Railway bodies | |
#6 | Machines for making railways | |
#7 | Internal-combustion piston engines | |
#8 | Railway equipment | |
#9 | Gearing | |
#10 | Cyclically operating valves |
# | Name | Total Patents |
---|---|---|
#1 | Hovey William S | 23 |
#2 | Stebbins Charles B | 14 |
#3 | Henderson James | 6 |
#4 | Card John F | 5 |
#5 | Rix Milton H | 4 |
#6 | Mahana Charles G | 3 |
#7 | Cottle Arthur P | 3 |
#8 | Whitesell Fredrick N | 2 |
#9 | Matthews John G | 2 |
#10 | Thompson Harry E | 2 |
Publication | Filing date | Title |
---|---|---|
US1334550A | Starting and reversing mechanism | |
US1286448A | Water-column. | |
US1283971A | Stand-pipe. | |
US1239488A | Internal-combustion engine. | |
US1265249A | Air-cooled internal-combustion engine. | |
US1157168A | Engine-mounting. | |
US1157130A | Piston. | |
US1166956A | Valve mechanism. | |
US1117641A | Internal-combustion engine. | |
CA153562A | Internal combustion engine | |
US1100053A | Fan. | |
US1134110A | Fly-wheel for explosion-engines. | |
US1042495A | Motor-car. | |
US1032633A | Motor-car. | |
US1002367A | Collapsible core for use in the manufacture of coils. | |
US992356A | Railway motor-car. | |
US1009519A | Motor-car. | |
US997571A | Brake for railway motor-cars. | |
US987881A | Railway-car. | |
US940970A | Clutch. |