JOHNSTON GEORGE W has a total of 15 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and machines are PLIANT ENERGY SYSTEMS LLC, MORALES JUAN ALBERTO and LAWSON DAVID.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 12 | |
#2 | Canada | 3 |
# | Industry | |
---|---|---|
#1 | Engines, pumps and turbines | |
#2 | Environmental technology | |
#3 | Machines | |
#4 | Chemical engineering | |
#5 | Transport | |
#6 | Furniture and games | |
#7 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Special wind, spring and weight motors | |
#2 | Machines for liquids | |
#3 | Pumps | |
#4 | Reduction of greenhouse gas emissions | |
#5 | Unspecified technologies | |
#6 | Separation | |
#7 | Doors and windows | |
#8 | Machines | |
#9 | Marine propulsion | |
#10 | Physical training equipment |
# | Name | Total Patents |
---|---|---|
#1 | Johnston George W | 15 |
#2 | Wheeler William Eugene | 1 |
#3 | Johnston James F | 1 |
Publication | Filing date | Title |
---|---|---|
US2127563A | Paper cutting machine | |
US1626736A | Boat-propelling mechanism | |
US1463121A | Window screen | |
US1487946A | Combined fluid-pressure motor and pump | |
US1360222A | Submerged compressed-air power plant | |
US1360221A | Submerged power-wheel | |
US1199702A | Combination life-saver and swimming device. | |
US827021A | Air and vacuum motor. | |
US784569A | Air or liquid reciprocating engine and pump having rotary operating mechanism. | |
CA82010A | Pump | |
US736107A | Filter. | |
US727374A | Filter. | |
US717750A | Air or liquid reciprocating pump having rotary operating mechanism. | |
CA49699A | Electric dental engine | |
CA6459A | Improvements in cooking stoves |