Resource Type

Slime-Pulp Thickener. (open access)

Slime-Pulp Thickener.

Patent for a machine used in the wet milling process. It allows proportionate distribution of liquids to aide during the thickening process.
Date: April 17, 1923
Creator: Allen, Charles
System: The Portal to Texas History
Piston Ring (open access)

Piston Ring

Patent for improvements to piston rings to reduce leakage through piston grooves, rings, and joints.
Date: April 17, 1920
Creator: Olsen, Jens J. & Edwards, Lewis E.
System: The Portal to Texas History
Air Brake Attachment. (open access)

Air Brake Attachment.

Patent for "mechanism for use in connection with railway cars for automatically controlling the air brakes," including instructions and illustrations.
Date: April 17, 1917
Creator: Flowers, Malon Inghram & Sale, Archie Pierce
System: The Portal to Texas History
Dehydrator. (open access)

Dehydrator.

Patent for a continuous dehydrator that has specific use for gold and silver ores, including instructions and illustrations.
Date: April 17, 1917
Creator: Biesel, Charles
System: The Portal to Texas History
Header. (open access)

Header.

Patent for "new and useful improvements in Headers," including illustrations.
Date: April 17, 1917
Creator: Pritchett, William V.
System: The Portal to Texas History
Keyboard for Writing Machines. (open access)

Keyboard for Writing Machines.

Patent for improved keyboards for writing machines "having its keys so arranged that the fingers of the operator may rest upon the keyboard in an easy and natural manner, the keys being so disposed with relation to each other that the fingers of the operator may reach all of them with the least possible strain or exertion" (lines 16-22). This improvement allows the operator to work at maximum speed and efficiency.
Date: April 17, 1917
Creator: Edwards, Alrah B. & Russell, Frank K.
System: The Portal to Texas History
Safety Air Brake Appliance (open access)

Safety Air Brake Appliance

Patent for " a safety air brake appliance for steam, traction or other railways, for each car" (lines 10-11). Including illustrations.
Date: April 17, 1914
Creator: Carpenter, Alfred A.
System: The Portal to Texas History
Vulcanizer (open access)

Vulcanizer

Patent for a product that vulcanizes the rubber of tire casings more easily. It holds a combustible fuel for heating and has a curved design to better fit the shape of the tire.
Date: April 17, 1914
Creator: Lawrence, Arthur E.
System: The Portal to Texas History
Well Drilling Apparatus. (open access)

Well Drilling Apparatus.

Patent for a design of a compact well-drilling machine.
Date: April 17, 1914
Creator: Thorniley, Clarence W.
System: The Portal to Texas History
Beet Harvesting Machine (open access)

Beet Harvesting Machine

Patent for a machine that will harvest beets with only two operatives and not made of "heavy construction." Includes instructions and illustrations.
Date: October 13, 1914
Creator: Stone, John
System: The Portal to Texas History
Buckle-Hook. (open access)

Buckle-Hook.

Patent for a new buckle hook, specifically a back-band buckle for use with a harness that is "of simple and inexpensive construction designed to firmly grip the back-band or strap of the harness and retain the same in adjusted position" (lines 12-15), including illustrations.
Date: April 17, 1906
Creator: Reid, William W.
System: The Portal to Texas History
Combined System of Electric Signaling and Switch Setting for Railroads (open access)

Combined System of Electric Signaling and Switch Setting for Railroads

Patent for improved system of electric signaling and opening and closing rail systems.
Date: April 17, 1906
Creator: Wagner, Bruno Otto
System: The Portal to Texas History
Insect-Exterminator (open access)

Insect-Exterminator

Patent for an insect exterminator to be transported to and used within crop fields which separates insects from plants by means of brushes and kills the insects by depositing them into a pan containing liquid insecticide. Exterminator also includes a sprayer to deliver insecticide onto crops. Exterminator is designed to be pulled by draft animals.
Date: April 17, 1906
Creator: Thompson, Everett Edward
System: The Portal to Texas History
Match-Box. (open access)

Match-Box.

Patent for match boxes that automatically opens when unlatched and has a projecting member arm that slides the lid with a match for removal conveniency.
Date: April 17, 1906
Creator: Whiteker, Bosque M.
System: The Portal to Texas History
Phonograph-Machine. (open access)

Phonograph-Machine.

Patent for a new phonograph machine with improvements of sound-box-transversing mechanisms and uniformity of movements, including illustrations.
Date: April 17, 1906
Creator: Dubinski, Benjamin.
System: The Portal to Texas History
Piston-Rod Connection (open access)

Piston-Rod Connection

Patent for a connector between a cross-head and a piston-rod that reduces strain by using a double taper and binder elements in line with the thrust of the piston-rod to prevent fractures and breaks as a result of the end thrust.
Date: April 17, 1906
Creator: McElvaney, Charles T.
System: The Portal to Texas History
Windmill. (open access)

Windmill.

Patent for an improved windmill, a wind-driven wheel which will operate with the wind blowing in any direction and without the necessity of a typical vane and which produces a maximum velocity with a minimum amount of wind.
Date: April 17, 1906
Creator: Bartlett, Robert S.
System: The Portal to Texas History
Wire-Stretcher. (open access)

Wire-Stretcher.

Patent for a wire-stretcher used in the building and repair of wire fences, including illustrations. This wire-stretcher's design has features which improve the efficiency of the construction of wire fences.
Date: April 17, 1906
Creator: Feist, Felix L.
System: The Portal to Texas History
Wrench (open access)

Wrench

Patent for a wrench. Illustration included.
Date: April 17, 1906
Creator: Hall, Samuel N. & Lawlor, James
System: The Portal to Texas History
Bedstead Fastening. (open access)

Bedstead Fastening.

Patent for connecting legs to side rails of beadsteads.
Date: April 17, 1900
Creator: Rape, Augustus D.
System: The Portal to Texas History
Bicycle-Support. (open access)

Bicycle-Support.

Patent for a bicycle support which holds "bicycles in upright position when not in use" (lines 8-9).
Date: April 17, 1900
Creator: Taylor, James P.
System: The Portal to Texas History
Collapsible Receptacle for Vehicles. (open access)

Collapsible Receptacle for Vehicles.

Patent for an invention to improve collapsible receptacles for use in vehicles, more specifically wagons. Item is designed to be used on the spring seats of wagons for the purpose of storing items under the seat of wagons. Includes specifications and illustrations.
Date: April 17, 1900
Creator: Williams, Anderson D. & Walsh, Charles D.
System: The Portal to Texas History
Dental Dam-Holder. (open access)

Dental Dam-Holder.

Patent for improvement in dental dam-holders.
Date: April 17, 1900
Creator: Myers, Samuel M.
System: The Portal to Texas History
Draft Equalizer. (open access)

Draft Equalizer.

Patent for improvement to draft-equalizers.
Date: April 17, 1900
Creator: Billington, Wesley E.
System: The Portal to Texas History