|
US2232593A
|
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Welded casing joint
|
|
US1898005A
|
|
Tinplate feeding mechanism
|
|
US1865174A
|
|
Machine for straightening round stock
|
|
US1800170A
|
|
Continuous heating furnace
|
|
US1708412A
|
|
Apparatus for treating sheets for tinning
|
|
US1876278A
|
|
Plate catcher and cleaner for tinning machines
|
|
US1705177A
|
|
Tin-plate-cleaning machine
|
|
US1805980A
|
|
Tin plate conveyer and cleaner
|
|
US1695323A
|
|
Piercing mill
|
|
US1810699A
|
|
Method of and apparatus for the manufacture of tin plate
|
|
US1810698A
|
|
Apparatus for manufacturing seamless tubing
|
|
US1708411A
|
|
Sheet-handling apparatus
|
|
US1586975A
|
|
Mill for piercing billets
|
|
US1662492A
|
|
Feeding sheets
|
|
US1597268A
|
|
Apparatus for treating sheets
|
|
US1529301A
|
|
Manufacture of billets for seamless tubes
|
|
US1478509A
|
|
Roll for rolling mills
|
|
US1475289A
|
|
Expansion joint
|
|
US1475288A
|
|
Expansion joint
|
|
US1472030A
|
|
Boiler installation
|
