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13 Matching Results
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13
Flexible Brace
Patent for a brace that is placed between the body and axle of a vehicle apparatus. The purpose of the brace is to relieve the vehicle springs from strain.
Date:
September 30, 1919
Creator:
Smith, George W.
System:
The Portal to Texas History
Pipe Puller
Patent for a pipe puller design to be used in wells.
Date:
September 30, 1919
Creator:
Heckman, J.
System:
The Portal to Texas History
Pump.
Patent for an improved pump valve designed for a pump for pumping oil from oil wells "which will not be affected by the fluid or gas pressure in the bore" (lines 17-18).
Date:
September 30, 1919
Creator:
Graf, Sydney H.
System:
The Portal to Texas History
Self-Cleaning Pump-Valve
Patent for a pump valve used in pumping oil wells which cleans itself with sand. The valve is simple and cheaply manufactured.
Date:
September 30, 1919
Creator:
Graf, Sydney H.
System:
The Portal to Texas History
Tread for Pneumatic Tires.
Patent for an improvement in treads for pneumatic tires "to prevent excessive wear or puncture of the parts of the tire constituting the tread portion" (lines 12-14).
Date:
September 30, 1919
Creator:
Twombly, Royal W.
System:
The Portal to Texas History
Railway Telephone and Signal Sign
Patent for Railway Telephone and Signal System (with illustrations).
Date:
September 30, 1915
Creator:
Neel, George E.
System:
The Portal to Texas History
Calculating Device
Patent for an improved calculating device including a calendar.
Date:
September 30, 1914
Creator:
Moody, Jason B.
System:
The Portal to Texas History
Display-Board
Patent for electronic baseball display board. Including instructions and illustrations.
Date:
September 30, 1913
Creator:
Detrick, Harry
System:
The Portal to Texas History
Knee-Pad
Patent for "new and useful Improvements in Knee-Pads" (lines 5-6), including instructions and illustrations.
Date:
September 30, 1913
Creator:
Schmitt, William
System:
The Portal to Texas History
Lamp-Adjusting Mechanism
Patent for improvements for lamp-adjusting mechanism for one of the lamps of an automobile for operation from driver's seat. The driver is enabled from seat to partially rotate one of the forward lamps, causing the light to follow curve of road.
Date:
September 30, 1913
Creator:
Maxfield, Nelson
System:
The Portal to Texas History
Levee.
Patent for reinforced levees with "means whereby the water will be positively prevented from seeping therethrough and weakening the levee" (lines 14-16).
Date:
September 30, 1913
Creator:
Beazley, John Sr.
System:
The Portal to Texas History
Pear-Burner
Patent for improvements in pear-burners of the type good for use with hydrocarbon fuels and adapted to be exploited directly by hand, for example for burning small objects located in positions not accessible.
Date:
September 30, 1913
Creator:
Messerli, John J. & Mayfield, Jesse L.
System:
The Portal to Texas History
Wire-Splicer.
Patent for a wire splicer, or a device that connects distinct wires by looping them together. Illustrations included.
Date:
September 30, 1912
Creator:
Martin, Enoch
System:
The Portal to Texas History