Title:
Oil well heater
United States Patent 2632836
US Patent References:
/0758684.html
- - 0758684

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- - 0965287

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- - 1174444

/1176739.html
- - 1176739

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- - 1426407


Inventors:
Ackley, Charles S.
Publication Date:
03/24/1953
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Assignee:
THERMACTOR COMPANY
Primary Class:
392/304
Other Classes:
392/480, 248/49, 174/136, 174/18, 166/61, 174/110S
International Classes:
E21B36/04; E21B36/00
US Patent References:
1457690
1504208Electrical heater for oil wells
1576102Terminal connection for electrical apparatus
1681523Apparatus for heating oil wells
1957984High voltage terminal construction
2022977Joint in line wires
2047000Electrical connecter unit for metal clad switch gears
2076669Electrically operated steamer
2082055Bushing insulator
2166807Electric heater
2190824Aluminum to copper connector
2350429Electrohydrothermic oil-well processor
2388899Electrical apparatus
2484063Electric heater for subsurface materials
2500305Electric oil well heater
2548360Electric oil well heater
2587391Thermocouple