Tramper-Press (open access)

Tramper-Press

Patent for a tramper press for pressing cotton into bales. Illustrations included.
Date: April 9, 1912
Creator: Wilson, Ralph E.
System: The Portal to Texas History
Trap (open access)

Trap

Patent for a steel animal trap. Illustrations included.
Date: April 30, 1912
Creator: Davidson, David L.
System: The Portal to Texas History
Steam-Generator (open access)

Steam-Generator

Patent for a steam generator for use with hydrocarbon burners.
Date: April 30, 1912
Creator: Mills, Virgil H. & Mills, John H. T.
System: The Portal to Texas History
Hydrocarbon-Stove (open access)

Hydrocarbon-Stove

Patent for a hydrocarbon stove that allows irons to be heated on it.
Date: April 23, 1912
Creator: Baker, Edward B.
System: The Portal to Texas History
Electric-Lamp Attachment. (open access)

Electric-Lamp Attachment.

Patent for an electric-lamp attachment, "the primary object of this invention being the provision of a lamp socket attachment of supporting means in combination with a switch, whereby the current energizing the filament of an incandescent lamp is so controlled as to produce different degrees of incandescence in the filament and thus produce different degrees of radiance to produce a dim or a highlight as may be desired" (lines 9-18). Illustrations included.
Date: April 23, 1912
Creator: McNeel, William Pinkney
System: The Portal to Texas History
Music-Leaf Turner (open access)

Music-Leaf Turner

Patent for a music leaf turner to turn the pages of sheet music for pianists. Illustrations included.
Date: April 2, 1912
Creator: Meier, Ernst
System: The Portal to Texas History
Pump-Jack (open access)

Pump-Jack

Patent for a pump jack for operating the oil well pump rods.
Date: April 23, 1912
Creator: Seybert, Guy W.
System: The Portal to Texas History
Stenographer's Desk (open access)

Stenographer's Desk

Patent for a desk for stenographers. Illustrations included.
Date: April 16, 1912
Creator: Long, James C.
System: The Portal to Texas History
Milking Device (open access)

Milking Device

Patent for a portable milking device for cows. Illustrations included.
Date: April 30, 1912
Creator: Lévay, Ellis
System: The Portal to Texas History
Toy (open access)

Toy

Patent for a whirligig toy that rattles.
Date: April 16, 1912
Creator: Webster, George Lamont
System: The Portal to Texas History
Traction-Vehicle (open access)

Traction-Vehicle

Patent for a wind-powered traction vehicle for pulling farm equipment.
Date: April 23, 1912
Creator: Fletcher, Henry M.
System: The Portal to Texas History
Spark-Arrester. (open access)

Spark-Arrester.

Patent related to a spark arrester with a superstructural frame that can be used for either traction engines or railway locomotives.
Date: April 2, 1912
Creator: Taack, Ed Gustav
System: The Portal to Texas History
Plow Attachment (open access)

Plow Attachment

Patent for a plow attachment for clearing pea vines out of fields.
Date: April 16, 1912
Creator: Post, Valta T.
System: The Portal to Texas History
Process of Making Salve. (open access)

Process of Making Salve.

Patent for a process for making salve from sheep sorrel leaves and stems in a copper pot that produces a medical paste.
Date: April 2, 1912
Creator: Herald, John W.
System: The Portal to Texas History
Switch-Throwing Mechanism. (open access)

Switch-Throwing Mechanism.

Patent related to switch throwing mechanisms, specifically for vehicles. This switch throwing mechanism allows the operator of the vehicle to properly conduct the switch without stopping the vehicle.
Date: April 2, 1912
Creator: Reiger, Paul J.
System: The Portal to Texas History
Tax-Calculating Device (open access)

Tax-Calculating Device

Patent for a tax calculating device that will calculate the percentages of the total tax that need to go to different agencies.
Date: April 23, 1912
Creator: Goss, George W.
System: The Portal to Texas History
Trolley-Wheel (open access)

Trolley-Wheel

Patent for a trolley wheel and a mechanism for keeping the wheel on the trolley wire. Illustrations included.
Date: April 16, 1912
Creator: Schultze, William H.
System: The Portal to Texas History
Hasp-Fastener (open access)

Hasp-Fastener

Patent for a hasp fastener for doors.
Date: April 16, 1912
Creator: Matthews, Robert E.
System: The Portal to Texas History
Engine-Starter (open access)

Engine-Starter

Patent for an engine starter that prevents backfiring.
Date: April 23, 1912
Creator: Everly, William D.
System: The Portal to Texas History
Envelop-Seal (open access)

Envelop-Seal

Patent for an envelop seal. Illustrations included.
Date: April 9, 1912
Creator: Pettitt, Nancy E.
System: The Portal to Texas History
Sampling Device for Artesian Wells (open access)

Sampling Device for Artesian Wells

Patent for a sampling device for artesian wells to detect when oil has been reached.
Date: April 23, 1912
Creator: Bettis, William I.
System: The Portal to Texas History
Railway-Tie. (open access)

Railway-Tie.

Patent for a composite railway tie that is durable and adjustable and can be used for both trolley and steam rail systems.
Date: April 23, 1912
Creator: Ogden, James D.
System: The Portal to Texas History
Flap-Valve (open access)

Flap-Valve

Patent for a flap valve for use in blowing engines that increases the life of the valve plates.
Date: April 2, 1912
Creator: Scott, Clarence N.
System: The Portal to Texas History
Rail-Clamp. (open access)

Rail-Clamp.

Patent for a rail clamp that prevents rail spreading.
Date: April 9, 1912
Creator: Korges, Emil H.
System: The Portal to Texas History