|
US3327478A
|
|
Hydraulic coupling
|
|
US3167918A
|
|
Fluid coupling
|
|
US3167917A
|
|
Hydraulic coupling
|
|
US2952976A
|
|
Rotary turbine type fluid coupling
|
|
US2833159A
|
|
Automatic hydraulically operated transmission
|
|
US2805742A
|
|
Automatic fluid operated transmission system
|
|
US2723736A
|
|
Automatic fluid transmission with safety driving clutches
|
|
US2569087A
|
|
Rotary turbine-type fluid coupling
|
|
US2596459A
|
|
Opener
|
|
US2368437A
|
|
Automatic centrifugal hydraulic flywheel
|
|
US2352592A
|
|
Expansion controlling piston construction
|
|
US2195552A
|
|
Heavy duty piston
|
|
US2200015A
|
|
Piston construction
|
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US2147956A
|
|
Lubricating piston skirt construction
|
|
US2261931A
|
|
Piston and ring construction
|
|
US2110316A
|
|
Piston for internal combustion engines
|
|
US1951959A
|
|
Piston and ring construction
|
|
US1746178A
|
|
Gear
|
|
US1748820A
|
|
Gear
|
|
US1755945A
|
|
Adjustable silent gear
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