Automatic Air-Brake Coupling (open access)

Automatic Air-Brake Coupling

Patent for an air-brake coupling for railroad cars which connects cars automatically and can be fully controlled by the train engineer in the engine.
Date: July 23, 1907
Creator: McMillan, Thomas B.
System: The Portal to Texas History
Composition of Matter. (open access)

Composition of Matter.

Patent for a briquet fuel formula made primarily from lignite and other derived products, which is cheaper to produce than other formulas.
Date: July 23, 1907
Creator: Lohmann, August Samuel Frederic
System: The Portal to Texas History
Coupling-Pin. (open access)

Coupling-Pin.

Patent for a coupling pin for railroad cars, which prevents the coupling from coming loose accidentally by having a key which locks the coupling in place and can only be undone by the cars operating systems. when it is time to disconnect the car.
Date: July 23, 1907
Creator: Yeiser, John Clarke
System: The Portal to Texas History
Cultivator. (open access)

Cultivator.

Patent for a cultivator, which has a movable beam for use as a straddle row cultivator that allows the draft animal to walk on either side of the rows of plants.
Date: July 23, 1907
Creator: Nicholson, Matthew H.
System: The Portal to Texas History
Fumigator. (open access)

Fumigator.

Patent for a fumigator for spraying boll weevil insecticide on cotton, which generates the insecticide gas, sprays it while moving across the field, and keeps the gas in close proximity to the plants for a short time for thorough treatment.
Date: July 23, 1907
Creator: Fuller, Menzo Reed
System: The Portal to Texas History
Gun-Trap. (open access)

Gun-Trap.

Patent for an animal trap, which has a pistol mounted inside it which fires when the bait is disturbed.
Date: July 23, 1907
Creator: Klespies, William
System: The Portal to Texas History
Knockdown Tank (open access)

Knockdown Tank

Patent for a sheet metal tank that is created in sections, able to be dismantled or "knocked down" in sections, and able to be transported in sections, including illustration.
Date: July 23, 1901
Creator: Harry, Hugh W. & Harry, Thomas C.
System: The Portal to Texas History
Lock (open access)

Lock

Patent for "an improved lock for sliding doors. It is furthermore designed to provide an improved seal-lock especially arranged for car-doors and constructed to be automatically locked by the closing of the door and to give the latter an initial start or opening when the lock is being released, so as to facilitate the opening of the door and prevent sticking thereof" (lines 9-17).
Date: July 23, 1901
Creator: Ozment, David Brewer
System: The Portal to Texas History
Lock (open access)

Lock

Patent for a keyless combination lock, including illustrations.
Date: July 23, 1901
Creator: Katzenberger, Oscar
System: The Portal to Texas History
Loose-Leaf Binder. (open access)

Loose-Leaf Binder.

Patent for a loose-leaf binder for medicine prescriptions, which is easier to open and close than previous ones.
Date: July 23, 1907
Creator: Perkins, John Hardeman
System: The Portal to Texas History
Nut-Lock. (open access)

Nut-Lock.

Patent for a nut lock for railroad joints, which keeps the nuts in place in the tracks.
Date: July 23, 1907
Creator: Vuncannon, Thomas Peter
System: The Portal to Texas History
Pipe-Clamp. (open access)

Pipe-Clamp.

Patent for a pipe clamp for drawing well casings out of wells that can be used on different size pipes and grips harder as resistance increases.
Date: July 23, 1907
Creator: Benedict, George Spencer
System: The Portal to Texas History
Self-Filling Fountain-Pen and Locking Device Therefor. (open access)

Self-Filling Fountain-Pen and Locking Device Therefor.

Patent for a new self-filling fountain pen with a locking device, designed "to provide a fountain pen by which in use of a piston rod on the principle of a suction pump the pen can be easily, fully and securely filled and easily cleaned, and which being provided with detachable parts may be prepared readily when worn or broken" (lines 10-15), which includes illustrations and instructions.
Date: July 23, 1907
Creator: Stevens, Thornton
System: The Portal to Texas History
Self Locking Door For Cotton Presses (open access)

Self Locking Door For Cotton Presses

Patent for a self-locking door clamp for cotton presses, including illustrations.
Date: July 23, 1901
Creator: Westbrook, John Alburt
System: The Portal to Texas History
Vehicle Hub (open access)

Vehicle Hub

Patent for lightweight and sturdy metal wheel hub for wooden spokes, including illustration.
Date: July 23, 1901
Creator: Holland, William J.
System: The Portal to Texas History