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9 Matching Results
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Car Coupling.
Patent for a new and improved coupling for railroad cars. This design consists in "[a] car-coupling link having a slotted spring-head adapted to hold the link in a draw-head by frictional contact therewith, and arranged and adapted to permit a coupling-pin to pass through the slots in the said link and its spring-head" (lines 48-53).
Date:
February 4, 1890
Creator:
Thompson, James Alfred M.
System:
The Portal to Texas History
Clutch.
Patent for "the principal object of this invention to provide a compact and efficient friction clutch for transmitting power from a single driving member to a plurality of individual driven mechanisms" (lines 11-15), including illustrations.
Date:
February 4, 1919
Creator:
Taft, John A.
System:
The Portal to Texas History
Valve-Grinding Device
Patent for a device that can simultaneously grind "several valves of a multi-cylinder engine or motor" (lines 11-12). This device allows the "ready interchangeability, repair and adjustment of the working parts" (lines 16-17).
Date:
February 4, 1919
Creator:
Lohec, Joseph C.
System:
The Portal to Texas History
Journal-Lubricator.
Patent for a railway journal lubricator with a reservoir and lubricating rollers for supplying lubricant to the railway journal.
Date:
February 4, 1919
Creator:
Urbieta, Jose M.
System:
The Portal to Texas History
Wave-Motor
Patent for a wave motor for vehicles that travel on water. Illustrations included.
Date:
February 4, 1913
Creator:
Stribling, Samuel L.
System:
The Portal to Texas History
Key.
Patent for a key, which can be produced in quantity but without any of them being able to open the same door.
Date:
February 4, 1908
Creator:
Katzenberger, Oscar
System:
The Portal to Texas History
Padlock.
Patent for a padlock, which can only be opened with a certain key and prevents the use of many lock-picking devices.
Date:
February 4, 1908
Creator:
Katzenberger, Oscar
System:
The Portal to Texas History
Filter.
Patent for an improvement in filters to remove impurities from gasoline and oil and to reuse the gasoline and oil. Includes illustrations.
Date:
February 4, 1919
Creator:
Northrup, Early
System:
The Portal to Texas History
Horse-Detaching Device.
Patent for a horse-detaching device that attaches to the forward axle of a vehicle. The invention will not affect the seating capacity of the vehicle, and can be used to release the thills of the vehicle quickly if the driver loses control of the horse. The device can be used to guide the vehicle after the horse is released.
Date:
February 4, 1896
Creator:
Friedlander, Joseph
System:
The Portal to Texas History