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GB191207564A
|
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Improvements in Stop or Cut Off Valves.
|
|
US975442A
|
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Variable-speed gearing.
|
|
GB190910429A
|
|
Improvements in Variable Speed Driving and Transmitting Gear.
|
|
GB190806102A
|
|
Improvements in Split or Opening Collars for Shafts Spindles and the like.
|
|
GB190720888A
|
|
Improvements in and relatign to Frictional Shaft Couplings.
|
|
GB190615851A
|
|
Improvements in Supports for Shafting.
|
|
GB190524903A
|
|
Improvements in Spindle Driving Arrangements of Spinning Frames and the like.
|
|
GB190516750A
|
|
Variable Speed Gear.
|
|
US856535A
|
|
Trolley-pole for conducting electric current to vehicles.
|
|
GB190424125A
|
|
Improvements in Conical Friction Clutches.
|
|
GB190410095A
|
|
Improvements in or relating to Brakes, Clutches, Speed Regulators, and the like.
|
|
GB190407255A
|
|
Improvements in Split or Opening Collars for use in connection with Shafts, Spindles and the like.
|
|
GB190325346A
|
|
Improvements in and relating to Frictional Shaft Couplings.
|
|
GB190308126A
|
|
Improvements in Friction Clutches.
|
|
GB190204703A
|
|
Improvements in Wrought Iron and Steel Pulleys.
|
|
CA206909A
|
|
Variable speed gear
|
|
CA31563A
|
|
Household utensil
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