CLARK CHARLES A has a total of 14 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 electrical machinery and energy, transport and agriculture are HANSON JOHN H, JAKOBSEN JAKOB PETER and F & F ENTPR INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | Canada | 3 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Transport | |
#3 | Agriculture | |
#4 | Chemical engineering | |
#5 | Machines | |
#6 | Thermal processes | |
#7 | Mechanical elements |
# | Name | Total Patents |
---|---|---|
#1 | Clark Charles A | 14 |
#2 | Hodgins James S | 1 |
Publication | Filing date | Title |
---|---|---|
US2611210A | Artificial bait | |
US1981091A | Artificial bait | |
US1915216A | Track lubrication | |
US1491080A | Camp stove | |
US1476950A | Car door | |
CA140902A | Non-refillable bottle | |
US1173930A | Method and apparatus for curing beans. | |
US889871A | Switch-button. | |
US889760A | Switch-button. | |
US899205A | Electric switch. | |
US737349A | Snap-switch-operating mechanism. | |
CA71714A | Shaft support | |
US648850A | Electric-line cut-out. | |
CA21365A | Hay-cutter |