10 Matching Results
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10
Automatic Signal-Actuating Mechanism for Railways
Patent for an improved signal actuating mechanisms for railways. When the train cars reach an operating mechanism, a flag will be raised where pedestrians or cars cross, and cause a signal to be repeated until the train passes.
Date:
July 20, 1920
Creator:
Bashara, Samuel Farris
System:
The Portal to Texas History
Attachment for Rotaries.
Patent for rotary well-drilling machinery where the "ring or bushing to rotate independently of the table and the present invention is directed to means for accomplishing the rotating effect." (line 24-27)
Date:
July 20, 1920
Creator:
Johnston, Horace G.
System:
The Portal to Texas History
Automatic Trough-Valve.
Patent for improvements in animal watering troughs that has an automatic float control valve in connection with the trough.
Date:
July 20, 1920
Creator:
Striegler, Fritz
System:
The Portal to Texas History
Method of Sampling.
Patent for improving methods of boring wells by "raising the cuttings from an earth boring drill to the surface" (lines 70-71), including illustrations.
Date:
July 20, 1920
Creator:
Carmichael, Robert E.
System:
The Portal to Texas History
Paint.
Patent for paints for roofs and for barns to prevent leaks and efficient in preserving the material of buildings at a relatively small costs.
Date:
July 20, 1920
Creator:
Watson, Grover C.
System:
The Portal to Texas History
Pneumatic Tire.
Patent for improvements in tires for vehicles that has a cushion that takes the shocks of travel.
Date:
July 20, 1920
Creator:
Drouet, Charles
System:
The Portal to Texas History
Swingletree
Patent for a swingletree that equalizes the strain of the draft animal when the traces are connected in an irregular manner.
Date:
July 20, 1920
Creator:
Bosse, William F.
System:
The Portal to Texas History
Signal.
Patent for a signal to be placed on the fender of a motor vehicle to indicate to other drivers the intended direction the vehicle is going.
Date:
July 20, 1920
Creator:
Cochran, Carl T.
System:
The Portal to Texas History
Demountable-Rim-Fasting Means.
Patent for Improvement to Demoutable-Rim-Fastening Means. This device will hold the rim in place.
Date:
July 20, 1920
Creator:
Spero, David Lawrence
System:
The Portal to Texas History
Detachable Fastener for Cylindrical Screens.
Patent for a more efficient and effective seeding device that can disconnect, reconnect, and fasten the ends of a strip of material to form a cylinder.
Date:
July 20, 1920
Creator:
Leach, William Logan
System:
The Portal to Texas History