COOPER WILLIAM F has a total of 17 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States and Canada. Its main competitors in its focus markets consumer goods, engines, pumps and turbines and machines are SCHULZ CO M, AUTO PNEUMATIC ACTION COMPANY and EMERSON PIANO COMPANY.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 16 | |
#2 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Consumer goods | |
#2 | Engines, pumps and turbines | |
#3 | Machines | |
#4 | Basic materials chemistry | |
#5 | Agriculture | |
#6 | Mechanical elements | |
#7 | Transport |
# | Technology | |
---|---|---|
#1 | Automatic musical instruments | |
#2 | Unspecified technologies | |
#3 | Pumps | |
#4 | Acetylene production | |
#5 | Harvesting | |
#6 | Gas holders | |
#7 | Vehicle brake control systems | |
#8 | Cyclically operating valves | |
#9 | Horticulture |
# | Name | Total Patents |
---|---|---|
#1 | Cooper William F | 17 |
Publication | Filing date | Title |
---|---|---|
US1351373A | Cotton-picker | |
US1355941A | Valve for player-piano feeders | |
US1439148A | Player piano | |
US1394887A | Pump governor mechanism | |
US1190862A | Grand-piano action. | |
US1170516A | Upright-piano action. | |
US1133710A | Player mechanism for pianos. | |
US1170515A | Sheet-winding indicator. | |
US1134821A | Motor-regulator. | |
US1058847A | Pneumatic motor. | |
US1170514A | Piano-action-operating mechanism for mechanical musical instruments. | |
US1032467A | Tracker-bar. | |
CA108117A | Musical instrument | |
US725677A | Bellows for musical and pneumatic devices. | |
US633427A | Gasometer. | |
US649272A | Acetylene-gas generator. | |
US641194A | Acetylene-generator. |