Resource Type

569 Matching Results

Results open in a new window/tab.

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
Automatic Control for Gas Water-Heaters. (open access)

Automatic Control for Gas Water-Heaters.

Patent for improvements to "a gas control for instantaneous gas water heaters" (lines 9-10), including illustrations and instructions.
Date: June 17, 1919
Creator: Hamilton, Paul H.
System: The Portal to Texas History
Concrete Form. (open access)

Concrete Form.

Patent for a circular concrete form. The form is adjustable and allows nesting for storage and transport.
Date: October 17, 1922
Creator: Harris, John W.
System: The Portal to Texas History
Concentration of Ores. (open access)

Concentration of Ores.

Patent for improvements to recovering ore using flotation methods.
Date: December 17, 1918
Creator: Wiser, Oba
System: The Portal to Texas History
Antiskid Device (open access)

Antiskid Device

Patent for reinforcing the hinge of an antiskid device. Long studs on heavy foot plates on tires are used to brace the hinges not allowing them to wear down by dragging on the road surface.
Date: February 17, 1920
Creator: Smith, Ross
System: The Portal to Texas History
Cooking Utensil. (open access)

Cooking Utensil.

Patent for cooking utensil designed for roasting coffee, popping corn, roasting meat, and other food by hand over a fire or flame by rotating. The device is made of metal and mesh, turns by cranking, and the length of the shaft is adjustable for stability.
Date: June 17, 1919
Creator: Bogue, Robert J.
System: The Portal to Texas History
Bit Cleaner (open access)

Bit Cleaner

Patent for a device that will clean drill bits used for wells without needing to remove them from the ground. Additional aspects of the patent cover fittings and attachments necessary for better operation of the drill bits and the cleaner.
Date: February 17, 1920
Creator: Robichaux, Sosthene
System: The Portal to Texas History
Apparatus for Curing Tire-Casings (open access)

Apparatus for Curing Tire-Casings

Patent for an improved apparatus for Curing Tire-Casings (relates to molding devices for curing tire casings) which is easily and quickly set up and knocked down, holds casings safely in position while being cured, and highly efficient in curing tire casings.
Date: June 17, 1919
Creator: Bongio, Philip P. & Stephenson Elonzo
System: The Portal to Texas History
Compound Air-Compressor. (open access)

Compound Air-Compressor.

Patent for an improved Compound Air-Compressor by having four cylinders, in pairings of a high pressure and a low pressure cylinders. The air from the low pressure cylinder will be fed to the high pressure cylinder. The pistons will work in succession rather than simultaneously.
Date: February 17, 1920
Creator: Jones, Oceola
System: The Portal to Texas History
Adjustable Split Lock-Nut or Union. (open access)

Adjustable Split Lock-Nut or Union.

Patent for an affordable and efficient coupling device for use "on valve rods of internal combustion engines, especially those used in automobiles and aeroplanes or on those motors or engines employing overhead valves and whereby the union or coupling may be readily and securely locked on a valve rod with sufficient resistance to withstand the strain of direct pressure" (lines 14-21).
Date: August 17, 1920
Creator: Dickinson, Harry E.
System: The Portal to Texas History
Brake-Band Clencher (open access)

Brake-Band Clencher

Patent for improvements in brake-band clenchers. It is intended to "provide an improved Ford brake band clencher adapted for holding the brake bands in place while the transmission case is being replaced" (lines 14-18).
Date: June 17, 1919
Creator: McCaffrey, Harry J. & Roberge, Edgar, J.
System: The Portal to Texas History
Concrete Composition (open access)

Concrete Composition

Patent for a formulation of waterproof concrete that utilizes lava rocks.
Date: December 17, 1918
Creator: Charles E. Barglebaugh
System: The Portal to Texas History
Maize-Header. (open access)

Maize-Header.

Patent for simple and efficient maize header which is easy to operate by positioning it in a way that it needs minimum effort to operate.
Date: May 17, 1921
Creator: Jordan, Andrew P.
System: The Portal to Texas History
Cotton-Cultivator. (open access)

Cotton-Cultivator.

Patent for an improved cultivator used for tillage when the plows are not in the ground. The cultivator can also lighten the heaviness felt by the operator while the plow is being used.
Date: May 17, 1921
Creator: Barnett, James Samuel
System: The Portal to Texas History
Bed. (open access)

Bed.

Patent for a bed, specifically the joints of a bedframe. The side rails for a bedframe are joined by tapered connectors.
Date: August 17, 1920
Creator: Hellweg, Rudolph F.
System: The Portal to Texas History
Combination Steeper and Dripper. (open access)

Combination Steeper and Dripper.

Patent for improvements of steeper and drippers combinations, specifically for tea or coffee, where a container the same depth of the pot will be provided in order to steep grounds easily and quicker.
Date: May 17, 1920
Creator: Nicholls, George Habberton
System: The Portal to Texas History
Cuff-Link. (open access)

Cuff-Link.

Patent for new and useful improvements in cuff links that do not separate from sleeves and help with any decoration.
Date: August 17, 1920
Creator: Hall, James L.
System: The Portal to Texas History
Chopping Attachment. (open access)

Chopping Attachment.

Patent for a chopping attachment for a cultivator. The attachment has an adjustable height in order to cut shorter and taller crops.
Date: March 17, 1919
Creator: Chenault, George N.
System: The Portal to Texas History
Collar. (open access)

Collar.

Patent for a collar that can be fastened without the need of a button. It is meant to be attached to any shirt and constructed so that it can stay without a button through a tab system.
Date: December 17, 1918
Creator: Narmore, Missouri A.
System: The Portal to Texas History
Centrifugal Pump (open access)

Centrifugal Pump

Patent for centrifugal pump design meant to improve upon past models in which pieces of the pump wear out over time.
Date: December 17, 1918
Creator: Duda, Oswald
System: The Portal to Texas History
Attachment for Stalk-Cutting Machines. (open access)

Attachment for Stalk-Cutting Machines.

Patent for improved, cheap, and simple stalk-cutting technology with shielded protection, including instructions and illustrations.
Date: September 17, 1918
Creator: McCray, Henry L.
System: The Portal to Texas History
Holder for Dental X-Ray Films. (open access)

Holder for Dental X-Ray Films.

Patent for dental X-Ray holders that securely hold the film in place and categorize the X-Rays into series that comprise views of the whole mouth.
Date: May 17, 1921
Creator: Martin, James Madison
System: The Portal to Texas History
Plastic Base for Poles. (open access)

Plastic Base for Poles.

Patent for a plastic base for poles which aims to lengthen the life of the average pole and enable the use of poles of shorter lengths.
Date: May 17, 1921
Creator: Hoyle, Millard F.
System: The Portal to Texas History
Gradometer. (open access)

Gradometer.

Patent for a gradometer "which will accurately indicate under the most varying and unstable conditions the inclination and declination at which any moving body is traveling" (lines 10-13). The gradometer is "particularly adapted for use on motor vehicles" (lines 15-16).
Date: May 17, 1921
Creator: Hall, Sidney Wilson
System: The Portal to Texas History