COLUMBIA GAS SYST SERVICE CORP has a total of 13 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Japan and Sweden. Its main competitors in its focus markets thermal processes, machine tools and furniture and games are DAISHIN KOGYO KENKYUSHO KK, WORLD SEIKI KK and PALOMA KOGYO KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Japan | 1 | |
#3 | Sweden | 1 | |
#4 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Thermal processes | |
#2 | Machine tools | |
#3 | Furniture and games | |
#4 | Electrical machinery and energy | |
#5 | Environmental technology | |
#6 | Civil engineering |
# | Name | Total Patents |
---|---|---|
#1 | Reid E | 4 |
#2 | Ballis W | 3 |
#3 | Venendaal R | 3 |
#4 | Gwin R | 3 |
#5 | Churchheus C | 3 |
#6 | Myler G | 2 |
#7 | Hutt B | 2 |
#8 | Sorenson J | 1 |
#9 | Groom J | 1 |
#10 | Sabuhatsushiyu Shii Jiyatana | 1 |
Publication | Filing date | Title |
---|---|---|
JPS6146842A | Method and device for burning combustible gas | |
US3790952A | System for printing out the metered flow of a fluid daily or for other predetermined periods of time | |
US3828575A | Compact heating and cooling system | |
US3785364A | Smooth top range | |
US3783223A | Welding torch oscillator | |
US3783222A | Welding torch oscillator and positioner | |
US3744475A | Tilting brazier | |
US3789511A | Apparatus for sensing a curvature in a conduit | |
US3748433A | Electric welding torch oscillator and guide | |
US3720858A | Relay timing system | |
US3712289A | Deep fat fryer |