CLARK CAR COMPANY has a total of 21 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport and machines are ORTNER FREIGHT CAR CO, NAT COAL DUMP CAR COMPANY and NAT DUMP CAR CO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 20 | |
#2 | Canada | 1 |
# | Technology | |
---|---|---|
#1 | Railway bodies | |
#2 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Clark Charles H | 17 |
#2 | Beach Howard L | 5 |
#3 | Fendner Willard J | 1 |
Publication | Filing date | Title |
---|---|---|
US1643974A | Latch-release mechanism | |
US1466469A | Covered dump car | |
US1503889A | Fluid-pressure system | |
US1417794A | Shaft-control device | |
US1474756A | Control valve | |
US1437745A | Dumping car | |
US1403843A | Side-dump car | |
US1223148A | Dump-car. | |
US1223031A | Tilting side-dump car. | |
US1182643A | Tilting side-dump car. | |
US1182644A | Tilting side-dump car. | |
US1136318A | Gondola car. | |
US1182642A | Dump-car. | |
US1065218A | Side-dump car. | |
US1065217A | Dump-car. | |
US1136317A | Dump-car doors. | |
US1018165A | Dump-car. | |
US1007533A | Tilting side-dump car. | |
US1136316A | Ore dump-car. | |
US1136315A | Dump-car. |