Check-Valve (open access)

Check-Valve

Patent for improved check values in relation to a boiler of locomotives, to better secure priming and increase forcing power of its injector.
Date: July 29, 1919
Creator: Deinert, Hans Gustav Joachim
System: The Portal to Texas History
Liquid-Indicator for Tanks. (open access)

Liquid-Indicator for Tanks.

Patent for a liquid indicator to determine if the supply of oil has been depleted in the crank case of an automobile's internal combustion engine. Further purposes of this patent include the closing of an electrical circuit when the oil in the crank case becomes low in order to sound an audible noise that alerts the driver that more oil is needed. The patent intends to make the invention durable, easy to use, and inexpensive to manufacture.
Date: July 29, 1919
Creator: Pippin, William R.
System: The Portal to Texas History
Internal Combustion Engine. (open access)

Internal Combustion Engine.

Patent for a simplified internal combustion engine that is lighter and more efficient than previous models. It also features detachable and removable parts that will decrease time and cost of repairs, includes illustrations.
Date: July 29, 1919
Creator: Higbee, Charlie D.
System: The Portal to Texas History
Stalk Puller and Chopper. (open access)

Stalk Puller and Chopper.

Patent for a stalk puller that can pull the stalk from the ground and chop in pieces for feeding for fertilizer.
Date: July 29, 1919
Creator: Anderson, Jeff
System: The Portal to Texas History
Laminated Fabric for Tire-Casings. (open access)

Laminated Fabric for Tire-Casings.

Patent for a laminated fabric for tire casings that reinforces motor vehicle tires to reduce heat exposure and risk of damage. This type of laminated fabric is intended to resist wear and prevent tire blow-outs.
Date: July 29, 1919
Creator: Doolin, Charles B.
System: The Portal to Texas History
Tail-End Light for Automobiles. (open access)

Tail-End Light for Automobiles.

Patent for a tail-end light for automobiles, subway and surface trains, and other motor propelled vehicles which changes color to indicate the speed at which the conveyance is traveling.
Date: July 29, 1919
Creator: Green, John Richard
System: The Portal to Texas History
Sanitary Udder-Protector. (open access)

Sanitary Udder-Protector.

Patent for udder protectors for milch (dairy) cows. To keep foreign matters from contact and to keep the udders warm for the animals' comfort, including illustrations.
Date: July 29, 1919
Creator: Thornton, Florence A.
System: The Portal to Texas History
Plant-Chopper. (open access)

Plant-Chopper.

Patent for a plant chopper that can chop down plants of the row variety while not disturbing others that are spaced apart. It can also be an attachment to a cultivator.
Date: July 29, 1919
Creator: Martin, Silas W.
System: The Portal to Texas History
Railway Right-of-Way-Mowing Device (open access)

Railway Right-of-Way-Mowing Device

Patent for an improved mowing device for the removal of weeds and grass, specifically from railways.
Date: July 29, 1919
Creator: McAllister, William H.
System: The Portal to Texas History
Device for Unscrewing and Withdrawing Pipe. (open access)

Device for Unscrewing and Withdrawing Pipe.

Patent for a device for unscrewing and withdrawing pipe from wells, mines, or other similar uses. This tool is attached at the end of a drill stem and threaded in the ordinary right hand direction to unscrew and withdraw.
Date: July 29, 1919
Creator: Fletcher, Harold W.
System: The Portal to Texas History