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4 Matching Results
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Indicating and Testing Apparatus.
Patent for indicating and testing cylinders on multi-cylinder engines (such as gasoline) to show if any are misfiring, have leaking valves or rings, and show that the carburetor is properly adjusted.
Date:
May 14, 1918
Creator:
Pittman, Mordaunt E.
System:
The Portal to Texas History
Sand Band
Patent for sand band. This invention is for carriages and wagons to prevent dust and other materials from fouling the axle. Illustration included.
Date:
May 23, 1911
Creator:
Nelson, George A.; Hamil, Frank H. & Duke, Fred H.
System:
The Portal to Texas History
Gate
Patent for special operating mechanism for opening and closing a gate by use of a lever that will cause the gate to swing open and closed.
Date:
May 29, 1906
Creator:
Fears, John
System:
The Portal to Texas History
Hydraulic Motor.
Patent for a hydraulic motor designed for water intake through top ring.
Date:
May 11, 1886
Creator:
Cooper, Benjamin F.
System:
The Portal to Texas History