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US2448918A
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Pellet container and selector
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US2139211A
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Method of and apparatus for welding tubing
|
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US2086306A
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Speed control for progressive electric heating and welding
|
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US2086305A
|
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Apparatus for electric welding
|
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US2029594A
|
|
Apparatus for electric welding
|
|
US1903359A
|
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Method of and apparatus for electric welding and heating of metals
|
|
US1932423A
|
|
Apparatus for electric induction welding and heating
|
|
US2209637A
|
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Apparatus for electric induction welding and heating
|
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US1842461A
|
|
Apparatus for electric heating and welding
|
|
US1837494A
|
|
Electromagnetic burr roller
|
|
US1808261A
|
|
Welding machine
|
|
US1791978A
|
|
Dynamo-electric machine
|
|
US1630866A
|
|
Electric butt-seam welding and apparatus therefor
|
|
US1747533A
|
|
Process of treating tire fabrics
|
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US1530578A
|
|
Dry-powder duster
|
|
US1365199A
|
|
Method of and apparatus for electric welding
|
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US1365198A
|
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Method of and apparatus for electrically welding tubing
|
|
US1286125A
|
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Knitting-needle.
|
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US1342874A
|
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Float-valve mechanism
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US1244785A
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Mining-machine chain.
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