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GB485671A
|
|
Improvements in excavators
|
|
US2089026A
|
|
Temperature compensated retort end
|
|
US2021424A
|
|
Electrode furnace roof
|
|
US2050014A
|
|
Box type cap for excavating teeth
|
|
US1999138A
|
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Movable guard for swing frame grinders
|
|
US2032875A
|
|
Laminated tooth point
|
|
US1992591A
|
|
Dipper tooth and front for excavating dippers
|
|
GB429296A
|
|
Improvements in excavating implements
|
|
US2006612A
|
|
Furnace carrier
|
|
US1989818A
|
|
Excavating implement door
|
|
US1981541A
|
|
Pin lock
|
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US2007991A
|
|
Dipper tooth assembly
|
|
US1967496A
|
|
Ladder chain
|
|
US1932243A
|
|
Sectional heat resisting metallic surface
|
|
US1872866A
|
|
Bucket lip extension
|
|
US1933759A
|
|
Dragline bucket
|
|
US1946273A
|
|
Rotary pump impeller
|
|
US1945064A
|
|
Excavating implement
|
|
US1896414A
|
|
Power actuated dipper
|
|
US1944949A
|
|
Latch for dipper doors
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