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US2427828A
|
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Fabricated crosshead shoe
|
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US2293827A
|
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Acetylene lamp
|
|
US2236149A
|
|
Welding rod
|
|
US2236148A
|
|
Welding rod
|
|
US2261256A
|
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Acetylene lamp
|
|
US2276782A
|
|
Production of butt-welded rail joints, and rail adapted for use therewith
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US2129552A
|
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Apparatus for heat treating rails
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US2193726A
|
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Rail joint
|
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DE659750C
|
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Process for refreshing worn rail joints
|
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GB435953A
|
|
Improvements in or relating to a method of building up rails and to the built-up rails formed thereby
|
|
GB437248A
|
|
Improvements in or relating to the treatment of substantially unworn rails
|
|
GB448416A
|
|
Improvements in or relating to the surface hardening of rails and to rails treated thereby
|
|
GB448493A
|
|
Improvements in or relating to rails having end tread surface areas hardened by heat treatment
|
|
US2021196A
|
|
Speed regulator
|
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US2004081A
|
|
Method of and means for repairing rail joints
|
|
US2024057A
|
|
Blowpipe
|
|
US1855395A
|
|
Acetylene lamp
|
|
US1965467A
|
|
Blowpipe
|
|
US1941184A
|
|
Torch holding and adjusting mechanism
|
|
US1991562A
|
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Journal bearing
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