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Automatic lock.
Patent for a gate lock that automatically locks.
Date:
March 24, 1924
Creator:
Parker, Robert N.
System:
The Portal to Texas History
Automatic Trailing Device
Patent for an automatic trailing device. This device is made to "successfully follow the tracks of the front vehicle without the use of a driver on the vehicle in tow" (lines 14-17).
Date:
February 24, 1920
Creator:
Sloan, Charles Lee
System:
The Portal to Texas History
Boiler-Stand.
Patent for an improved boiler stand by creating space for air flow between the burner and the boiler to increase combustion.
Date:
February 24, 1920
Creator:
Fowles, Alfred T.
System:
The Portal to Texas History
Automatic Air and Gas Relief Valve for Oil-Distributing Systems.
Patent for an air and gas relief valve for oil piping systems that improves upon the need for pumps to get rid of the accumulation of air and gas before pumping oil, with illustrations.
Date:
May 24, 1921
Creator:
Mobley, Henry Grady
System:
The Portal to Texas History
Jar and Can Lifter
Patent for Jar and Can lifter designed to assist in transporting a can or jar. It is made from wire and acts as a removable handle.
Date:
January 24, 1920
Creator:
Hilley, Seaborn A.
System:
The Portal to Texas History
Non-Skid Device
Patent for a device that affixes to automobile wheels to provide tire traction and prevent skidding.
Date:
May 24, 1921
Creator:
Williams, Harry S.
System:
The Portal to Texas History
Wire Fabric
Patent for an improvement on wire fabrics for multiple usages. Designed to be used without external fasteners, which in turn increase the durability of the wire.
Date:
May 24, 1920
Creator:
Baker, William E.
System:
The Portal to Texas History
Hydraulic Swivel.
Patent for a hydraulic swivel which may be used for well drilling, has an inlet at the side, and is designed to be in few parts for reduced packaging.
Date:
May 24, 1921
Creator:
King, Walter E.
System:
The Portal to Texas History
Hose Reel
Patent for a hose reel that makes water easily available to the people in a building that has caught fire and is more easily maneuverable.
Date:
August 24, 1920
Creator:
Hamner, Edward M.
System:
The Portal to Texas History
Spark Plug.
Patent for a spark plug with the capacity to afford an intense spark, prevent leakage of current, and to preclude fouling of the plug in carbon.
Date:
October 24, 1922
Creator:
Bronson, Fred L.
System:
The Portal to Texas History
Pusher Attachment for Tractors.
Patent for an improved tractor attachment that is efficient to operate. The attachment can be fixated to connect both traditional tractors and grain headers.
Date:
August 24, 1920
Creator:
Records, Paul A.
System:
The Portal to Texas History
Utilization of Aluminum-Chlorid Residues.
Patent for "new and useful Improvements in the Utilization of Aluminum Chlorid Residues" (lines 6-7) including instructions and illustrations.
Date:
February 24, 1920
Creator:
Abbott, Lyle Stockton
System:
The Portal to Texas History
Mousetrap
Patent for a mousetrap that is an improvement to the average mousetrap, but new in the sense that it can be made in various proportions or sizes for a variety of vermin.
Date:
January 24, 1922
Creator:
Spencer, Clarence E.
System:
The Portal to Texas History
Gate-Operating Device
Patent for a gate opening device that consists of a hinge, cable, and spring that allows a gate to open after a slight push by a pedestrian or vehicle.
Date:
February 24, 1920
Creator:
Wilbanks, Andrew J.
System:
The Portal to Texas History
Drill Bit
Patent for a drill bit that can pass through the drill stem, making the process of drilling faster and easier.
Date:
February 24, 1920
Creator:
Clements, Frank L., Jr.
System:
The Portal to Texas History
Railroad-Bed and Rail-Support.
Patent for increased construction and durability of railway beds and their supports. The new design allows for rail supports to be removed and replaced without disrupting the road bed portion.
Date:
August 24, 1920
Creator:
Usher, George S.
System:
The Portal to Texas History
Oil-Burner.
Patent introduces the inventor's specific improvements to oil-burning stoves. The air and oil are fed into the chamber of the stove and thoroughly mixed before burning.
Date:
August 24, 1920
Creator:
Beckman, William
System:
The Portal to Texas History
Process for Hardening Copper.
Patent for a process of hardening copper to prevent bending and scaling of the metal. The process involves heating copper to a high temperature (1370 degrees Fahrenheit) and then subjecting it to continual pressure through hammering it until cold.
Date:
February 24, 1920
Creator:
Beckham, Dewitt T.
System:
The Portal to Texas History
Electric Battery
Patent for an electric battery. This battery is designed to be more efficient and run for a longer time, without adding water.
Date:
October 24, 1922
Creator:
Holmes, Frank M.
System:
The Portal to Texas History
Rural Mail Box.
Patent for improvements to rural mail boxes with divided interior compartments for incoming and outgoing mail. Mail box design includes flag to signal to recipients and postman of incoming and outgoing items. Additionally the design features interior and exterior doors that can be secured with a padlock to prevent mail from being stolen or tampered with, and to shield from various weather conditions.
Date:
October 24, 1922
Creator:
Dooley, Will Henry
System:
The Portal to Texas History
Shaft Bearing.
Patent for Improvements in Shaft Bearing. This bearing shaft is used to withstand heavy thrusts.
Date:
August 24, 1920
Creator:
Ball, Authur T.
System:
The Portal to Texas History
Tractor.
Patent for a tractor in which the placement of the power source reduces dead weight and provides a low center of gravity, thereby increasing stability.
Date:
May 24, 1921
Creator:
Martin, John J.
System:
The Portal to Texas History
Amusement Device.
Patent for a Ferris wheel in which the passenger cars rotate horizontally in addition to rotating vertically with the direction of the main wheel.
Date:
May 24, 1921
Creator:
Lindamood, Roy S.
System:
The Portal to Texas History
Adjustable Friction-Grab for Fishing-Tools.
Patent for friction grabs for fishing tools in well drilling operations that can be "easily adjusted for different sized holes or wells and which will be automatically adjusted and the grabs automatically closed on the object to be removed" (lines 14-17).
Date:
May 24, 1921
Creator:
Dickson, Lawrence E.
System:
The Portal to Texas History