Pneumatic Tire. (open access)

Pneumatic Tire.

Patent for improved pneumatic tires for motor vehicles that will prevent deflation when punctured.
Date: May 31, 1921
Creator: Williams, Harry S.
Object Type: Patent
System: The Portal to Texas History
Gradometer. (open access)

Gradometer.

Patent for a gradometer "which will accurately indicate under the most varying and unstable conditions the inclination and declination at which any moving body is traveling" (lines 10-13). The gradometer is "particularly adapted for use on motor vehicles" (lines 15-16).
Date: May 17, 1921
Creator: Hall, Sidney Wilson
Object Type: Patent
System: The Portal to Texas History
Cooling Device for Lard-Compounding Machines (open access)

Cooling Device for Lard-Compounding Machines

Patent for a machine that spreads melted lard into thin sheets and freezes it. Illustrations included.
Date: May 26, 1908
Creator: Wright, Robert L.
Object Type: Patent
System: The Portal to Texas History
Construction of the Hulls of Concrete Ships. (open access)

Construction of the Hulls of Concrete Ships.

Patent for "new and useful improvements in Construction of the Hulls of Concrete Ships" (lines 5-6). The improvements enable concrete hulls to be made efficiently, comparatively lightweight, and durable with a new form of rib reinforcement providing strength to withstand all strains of ocean travel.
Date: May 13, 1919
Creator: Holmgreen, Julius H.
Object Type: Patent
System: The Portal to Texas History
Building Block (open access)

Building Block

Patent for improvements in building blocks, so they would be stronger, but lighter in weight, and cheaper to transport.
Date: May 16, 1916
Creator: Boehm, Edward
Object Type: Patent
System: The Portal to Texas History
Blowpipe. (open access)

Blowpipe.

Patent for an improved blowpipe (or hydrocarbon torch), which when activated causes "an extremely hot needle flame" for a Bunsen burner (lines 18-19). Patent contains an illustration and instructions.
Date: May 9, 1916
Creator: Downie, James H.
Object Type: Patent
System: The Portal to Texas History
Candy-Wrapping Machine. (open access)

Candy-Wrapping Machine.

Patent for improvements to candy-wrapping machines, particularly for wrapping sticky candy.
Date: May 30, 1916
Creator: Gebhardt, William
Object Type: Patent
System: The Portal to Texas History
Car - Seat Cleaner. (open access)

Car - Seat Cleaner.

Patent for new and improved car-seat cleaners, including illustrations.
Date: May 6, 1902
Creator: Ridd, John A.
Object Type: Patent
System: The Portal to Texas History
Automobile-Fender (open access)

Automobile-Fender

Patent for automobile fenders to provide a fender that can be used in conjunction with various types of motor vehicles and "prevent a person from being run over by the vehicle equipped with the fender" (lines 13-14).
Date: May 15, 1917
Creator: Uribe, Marcelino
Object Type: Patent
System: The Portal to Texas History
Automobile Wheel. (open access)

Automobile Wheel.

Patent for improvements and a cushion to steering wheels of automobiles to provide better grip and comfort, including illustrations.
Date: May 15, 1917
Creator: Dominguez, Salvador
Object Type: Patent
System: The Portal to Texas History
Automobile-Lamp (open access)

Automobile-Lamp

Patent for an automobile lamp that will rotate the direction the tires of the car turn.
Date: May 9, 1911
Creator: Wogenstahl, Leo J.
Object Type: Patent
System: The Portal to Texas History
Automobile-Indicator (open access)

Automobile-Indicator

Patent for an automobile indicator which shows the license number of the car and the state in which the license was issued. Illustrations included.
Date: May 7, 1912
Creator: Hoaker, John & Banks, William I.
Object Type: Patent
System: The Portal to Texas History
Automatic Railway Switch Lock (open access)

Automatic Railway Switch Lock

Patent for an automatic railway switch lock. Illustration included.
Date: May 17, 1904
Creator: Sulfer, Charles
Object Type: Patent
System: The Portal to Texas History
Boring-Machine. (open access)

Boring-Machine.

Patent for Boring-Machine. Particularly a boring-machine for boring brush blanks, and can bore all of the necessary openings, both straight and at an angle, at a single operation.
Date: May 7, 1918
Creator: Miller, Emma T.
Object Type: Patent
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design "consists in the combination, with a draw-bar having a socket and buffer-prongs on its ends, of a ball in the socket, coupling-hooks pivoted between jaws connected with the ball, a weighted stem projecting from the ball, and a sliding latch-rod for engaging with the stem and automatically releasing it when the cars come together" (lines 8-15).
Date: May 19, 1885
Creator: Hampl, Joseph & Jacobs, David
Object Type: Patent
System: The Portal to Texas History
Burner (open access)

Burner

Patent for improvements in oil super heating burners used in locomotives and other large engines that require the creation of steam to propel them. The invention describes many improvements involving the fuel ejection and atomizing processes.
Date: May 16, 1919
Creator: Henry, Murray
Object Type: Patent
System: The Portal to Texas History
Cotton Bale Binder. (open access)

Cotton Bale Binder.

Patent for a new and improved cotton bale binder. This design "consists of a simple contrivance for binding cotton and other bales together when loaded on flat cars to prevent the load from being shaken apart and separated by the shocks and jolts of the car, and also to prevent the bales from being pulled off by cotton thieves, the said contrivance consisting of two or more hooks having pulleys or eyes strung on a rope, the rope being fastened to one of the eyes or pulleys forming one end of the binder, the hooks being caught in the bands of the bales" (lines 7-18).
Date: May 8, 1883
Creator: Burr, Lewis
Object Type: Patent
System: The Portal to Texas History