44 Matching Results

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Sampling Device (open access)

Sampling Device

Patent for a machine that will remove samples from a well during drilling operations.
Date: October 21, 1919
Creator: Dodds, Redus D.
System: The Portal to Texas History
Break-Out Pin. (open access)

Break-Out Pin.

Patent for a modified break-out pin on an oil derrick which makes it easier to release a wrench for unscrewing pipes when done, but still holds the wrench in place while in use.
Date: October 21, 1919
Creator: Headrick, James O.
System: The Portal to Texas History
Core-Barrel. (open access)

Core-Barrel.

Patent for a core barrel for use in rotary drilling of oil or water wells, that will allow for easy extraction of the upwardly extending column of material.
Date: October 14, 1919
Creator: Humason, Granville A. & Childs, William L.
System: The Portal to Texas History
Cultivator. (open access)

Cultivator.

Patent for a cultivator attachment that adjusts the beams to various distances apart.
Date: October 28, 1919
Creator: Kubenka, Otto E. & Janszen, August W.
System: The Portal to Texas History
Change-Speed Mechanism for Tractor-Truck Motor-Vehicles (open access)

Change-Speed Mechanism for Tractor-Truck Motor-Vehicles

Patent for a machine that can be used either as a truck for traveling over highways or as a tractor for farm work.
Date: October 28, 1919
Creator: Miller, William J.
System: The Portal to Texas History
Cattle-Guard (open access)

Cattle-Guard

Patent for an improved cattle guard with two parts that is adapted to specifically fit either inside the railroad tracks or alongside them.
Date: October 28, 1919
Creator: Fisher, Thomas M.
System: The Portal to Texas History
Finger-Guard for Children. (open access)

Finger-Guard for Children.

Patent for a finger guard to keep children from sucking on their fingers. The device is also easy to construct and inexpensive to manufacture.
Date: October 28, 1919
Creator: Cade, William H.
System: The Portal to Texas History
Air Pump (open access)

Air Pump

Patent for an air pump designed to have a strong cylinder and be able to equal quantities of air upon both the upward and downward motion of the piston.
Date: October 28, 1919
Creator: Keating, P. W.
System: The Portal to Texas History
Power-Jack. (open access)

Power-Jack.

Patent for improvements on the power-jack, which help bring liquids to the surface. Specifically designed "to provide a power mechanism for balancing the load or work at all points of the stroke." (lines 11-13), including illustrations.
Date: October 21, 1919
Creator: Dayton, William L.
System: The Portal to Texas History
Mold for Forming Walls and Floors (open access)

Mold for Forming Walls and Floors

Patent for mold to create walls and floors. This mold creates walls and floors that are air and sound proof.
Date: October 21, 1919
Creator: Murdock, Walter Scott
System: The Portal to Texas History
Apparatus for Separating or Concentrating Ores. (open access)

Apparatus for Separating or Concentrating Ores.

Patent for an improvement to hydraulic separators used in frothing classification to increase the recovery of larger mineral particles.
Date: October 21, 1919
Creator: Cole, David
System: The Portal to Texas History
Draft-Equalizer. (open access)

Draft-Equalizer.

Patent for Draft Equalizer. Patent states this invention "relates to the new and useful improvements in draft-equalizers" (lines 10-11). Includes instructions and illustrations.
Date: February 20, 1918
Creator: Dudley, Thomas J. & Bryant, Marvin H.
System: The Portal to Texas History
Cotton-Delinter (open access)

Cotton-Delinter

Patent for a durable and inexpensive machine that remove cotton seed from lint.
Date: October 21, 1919
Creator: Young, Edwin H.
System: The Portal to Texas History
Fishing-Rod Handle. (open access)

Fishing-Rod Handle.

Patent for a fishing rod handle that also functions as a pistol.
Date: October 7, 1919
Creator: Key, Henry C.
System: The Portal to Texas History
Filter for Oil and Other Lubricants. (open access)

Filter for Oil and Other Lubricants.

Patent for improvements in a filter for oil and other lubricants. Designed for the purpose of cleansing oils, particularly waste oils.
Date: October 14, 1919
Creator: Schmidt, George C.
System: The Portal to Texas History
Envelop (open access)

Envelop

Patent for envelopes, particularly for inter-office use, in which an envelope would have an improved means for indicating the designation of the envelope to any series of persons or locations. Additionally, the envelope is provided a series of spaces with a separatable or removable indicator adapted to be located in any said spaces to indicate the destination of the envelope.
Date: October 20, 1919
Creator: Crate, James S.
System: The Portal to Texas History
Dehydrating Apparatus. (open access)

Dehydrating Apparatus.

Patent for an improved food dehydrating apparatus, in which the air pressure in bins of items being dehydrated can be regulated individually, including illustrations.
Date: October 28, 1919
Creator: Taylor, Clarence R.
System: The Portal to Texas History
Automatic Gas Control for Gas Water-Heaters. (open access)

Automatic Gas Control for Gas Water-Heaters.

Patent for an automatic control for instantaneous water heaters to control a supply of water and simultaneously an automatic supply of gas to the heater.
Date: October 7, 1919
Creator: Hamilton, Paul H.
System: The Portal to Texas History
Dipping-Vat. (open access)

Dipping-Vat.

Patent for dipping vat used on live animals to remove insect infestation with a reduced risk of injury to the animal.
Date: October 18, 1919
Creator: Mullins, Thomas L.
System: The Portal to Texas History
Boiler-Skimmer. (open access)

Boiler-Skimmer.

Patent for a boiler-skimmer that improves the hinge joint so that water or scum will have free access there and in all positions of the skimmer.
Date: October 14, 1919
Creator: Phillips, Eugene N. & Dick, Harvey H.
System: The Portal to Texas History
Book Cover Protector (open access)

Book Cover Protector

Patent for improvements to book cover protectors. This protector is adjustable and can be attached to a book with adhesive or tongue-and-slit construction.
Date: October 14, 1919
Creator: Walraven, A.T. of Dallas, Texas
System: The Portal to Texas History
Apparatus For Treating Petroleum. (open access)

Apparatus For Treating Petroleum.

Patent for an apparatus that is used to treat petroleum and other heavy hydrocarbons in order to produce gasoline and other liquid fuels.
Date: October 28, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.
System: The Portal to Texas History
Machine for Buffing Inner Tubes and the Like. (open access)

Machine for Buffing Inner Tubes and the Like.

Patent for a more efficient and adjustable machine to buff inner tubes and other fabrics.
Date: October 21, 1919
Creator: Hibbs, Cassell D.
System: The Portal to Texas History
Interliner for Tires (open access)

Interliner for Tires

Patent for a liner that goes inside of an inner tube that is inside of a pneumatic tire. The device works to help slow flats in tires and improve the structure of a tire.
Date: October 7, 1919
Creator: McDonald, John P.
System: The Portal to Texas History