Valve. (open access)

Valve.

Patent for a safety valve that closes a conduit when a change in pressure occurs that shuts off the supply of fluid (or gas) until the valve is manually reset.
Date: May 26, 1914
Creator: Ruffner, Earl S., of Wichita Falls, Texas.
System: The Portal to Texas History
Spark Plug. (open access)

Spark Plug.

Patent for a spark plug with the capacity to afford an intense spark, prevent leakage of current, and to preclude fouling of the plug in carbon.
Date: October 24, 1922
Creator: Bronson, Fred L.
System: The Portal to Texas History
Route-Indicator. (open access)

Route-Indicator.

Patent for an improved route indicator for automobiles "which not only visually indicates the characteristics and risks of the road" but in addition provides an "auditory signal to call attention to approaching hazards or dangers" (lines 36-41). Illustrations included.
Date: November 13, 1917
Creator: Cranmer, Howard
System: The Portal to Texas History
Strap Fastener (open access)

Strap Fastener

Patent for a strap fastener to be used for clamping devices such as harnesses, saddles, reins, and tie-straps. Illustration included.
Date: February 22, 1910
Creator: Carlson, Frank A. & Rhodes, L. D.
System: The Portal to Texas History
Cotton-Threshing Machine. (open access)

Cotton-Threshing Machine.

Patent for an improvement to cotton-threshing machines that threshes "the cotton crop by extracting and separating the cotton locks from the bolls and stalks" (lines 13-15). This patent includes instructions and illustrations.
Date: November 27, 1917
Creator: Patterson, Warren A. & Kemp, Joseph A.
System: The Portal to Texas History
Hay-Press. (open access)

Hay-Press.

Patent for the improvement of hay presses used for forming tightly-compressed hay bales. Improvements include the provision of, "a hand or power operated hay press which may be operated to cause a great pressure to be exerted on the hay or other material being pressed, with a minimum exertion on power means" (lines 12-16). The invention of simple and durable construction with minimal parts reducing need for repair.
Date: November 9, 1920
Creator: Powell, Walter E. & Powell, Rosa E.
System: The Portal to Texas History
Electric Battery (open access)

Electric Battery

Patent for an electric battery. This battery is designed to be more efficient and run for a longer time, without adding water.
Date: October 24, 1922
Creator: Holmes, Frank M.
System: The Portal to Texas History
Door-Check. (open access)

Door-Check.

Patent for a door check that will be able to hold the door in any desired position to which it may be moved and it will prevent the slamming or sudden closing of the door.
Date: November 27, 1917
Creator: Winfrey, Edgar M. & Pike, John J.
System: The Portal to Texas History
Refrigerator (open access)

Refrigerator

Patent for a refrigerator made of wood with an inner shell of reinforced concrete and vacuum chamber or metal jacket. "The inner concrete shell is divided into four separate chambers, the former containing ice and the other three being adapted to contain food." (lines 61-64)
Date: April 11, 1922
Creator: Knutson, William K.
System: The Portal to Texas History
Machine For Cleaning Vegetable Fiber (open access)

Machine For Cleaning Vegetable Fiber

Patent fora machine for cleaning vegetable fiber. Illustration included.
Date: May 23, 1905
Creator: McCauley, John H. & Winfrey, Edgar M.
System: The Portal to Texas History
Cotton-Threshing Machine. (open access)

Cotton-Threshing Machine.

Patent for a cotton threshing machine with wheels designed to be constructed in the cotton field and easily moved to different parts of the field.
Date: May 29, 1917
Creator: Patterson, Warren A.
System: The Portal to Texas History
Flour-Milling Machinery. (open access)

Flour-Milling Machinery.

Patent for flour milling machinery with reduced costs of equipment and operation, less required space, and improved quality and quantity of flour.
Date: May 10, 1921
Creator: Smith, George T.
System: The Portal to Texas History
Apparatus for Destroying Insects (open access)

Apparatus for Destroying Insects

Patent for an apparatus for destroying insects. Illustrations included.
Date: May 23, 1911
Creator: Crow, William M. & Crow, Levi H.
System: The Portal to Texas History
Pump-Plunger (open access)

Pump-Plunger

Patent for a pump-plunger, concentrating on advancements in the design, particularly catering to deep well operations and environments with challenging conditions, such as oil and water wells where fluids are mixed with sand, sediment, or debris.
Date: October 18, 1921
Creator: Miller, Frank J.
System: The Portal to Texas History
Pipe-Wrench. (open access)

Pipe-Wrench.

Patent for a pipe-wrench that can "be adjusted to fit accurately pipes and rods from the smallest to the largest of those in more common use, that will grip each with almost any desired degree of force and yet will not materially mar or injure it, and that may also be used for ends not usually possible with pipe-wrenches" (lines 12-18).
Date: October 15, 1895
Creator: McCauley, John H. & Winfrey, Edgar M.
System: The Portal to Texas History
Motor Starter (open access)

Motor Starter

Patent for a new motor starter design.
Date: January 7, 1919
Creator: Maha, Irwin J.
System: The Portal to Texas History
Carbureter (open access)

Carbureter

Patent for a carburetor. This carburetor is designed to be used with crude oil, and to be easily constructed and operated.
Date: September 6, 1921
Creator: Walker, Sanders
System: The Portal to Texas History
Dry Closet (open access)

Dry Closet

Patent for a dry closet.
Date: November 28, 1916
Creator: Pyle, Eben W.
System: The Portal to Texas History
Truck. (open access)

Truck.

Patent for an improved truck in which the load can be moved to be easily loaded or unloaded by one person, including illustrations.
Date: April 19, 1921
Creator: Ortgier, Walter C.
System: The Portal to Texas History
Bottle Washing Apparatus (open access)

Bottle Washing Apparatus

Patent for bottle washing machine.
Date: February 27, 1917
Creator: McDaniel, Joshua S.
System: The Portal to Texas History
Crossing-Gate. (open access)

Crossing-Gate.

Patent for improvements to crossing gates through a device that helps facilitate the gates' automatic closing and opening position.
Date: September 18, 1917
Creator: Hood, Lemuel L.
System: The Portal to Texas History
Binding Attachment for Baling-Presses. (open access)

Binding Attachment for Baling-Presses.

Patent for bale binding devices that takes wire from spools and binds each bale and then twists the ends of the bale so they hold their shape.
Date: August 3, 1920
Creator: Leavitt, William H.
System: The Portal to Texas History
Pumping-Jack. (open access)

Pumping-Jack.

Patent for a pumping jack that has a walking beam of a jack for equalizing the dead weight of the pump, which reduces useless weight on the pumping engine.
Date: July 12, 1921
Creator: Scott, Henry T.
System: The Portal to Texas History
Holder. (open access)

Holder.

Patent for improved book holder for holding down the leaves of an open book which can be adjusted to fit various widths.
Date: July 2, 1918
Creator: Duckett, J. L.
System: The Portal to Texas History