Resource Type

494 Matching Results

Results open in a new window/tab.

Setting-Basin Separating Device (open access)

Setting-Basin Separating Device

Patent for Settling Basin-Separating Devices. This device improves the issue of unwanted discharge shown in prior devices
Date: May 11, 1990
Creator: Allen, Charles
System: The Portal to Texas History
Boiler. (open access)

Boiler.

Patent for improving domestic boilers used in plants by adding shells and jackets, with illustration. This improved boiler will provide more hot water than traditional boilers using water backs or coils.
Date: January 18, 1921
Creator: McChesney, Louis Preston
System: The Portal to Texas History
Centrifugal Separator (open access)

Centrifugal Separator

Patent for improvements to previous patent application serial #846,524 for a centrifugal separation machine, intended for the purposes of separating heavier materials from lighter materials.
Date: July 1, 1919
Creator: Baylis, Everest A.
System: The Portal to Texas History
Demountable Rim. (open access)

Demountable Rim.

Patent for an improvement to demountable by providing a rim of the character specified, which may be locked to the rim or unlocked therefrom with a single operation.
Date: 191X
Creator: Foster, John N.
System: The Portal to Texas History
Manufacture of Bricks (open access)

Manufacture of Bricks

Patent for an improvement in the manufacturing of bricks, using the waste products of a coal burning furnace and other cheap ingredients.
Date: December 22, 1922
Creator: North, Clarance Lupfer
System: The Portal to Texas History
Sight for Firearms (open access)

Sight for Firearms

Patent for sight for firearm that provides a transparent lens with sight marks and a scale to determine what sight mark to use when firing at an object.
Date: July 20, 1915
Creator: Critchett, James Clyde
System: The Portal to Texas History
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
Mop. (open access)

Mop.

Patent for an attachment that can be added to a standard broom which allows the broom to function as a mop.
Date: October 10, 1922
Creator: Glenn, William H.
System: The Portal to Texas History
Cigarette Package. (open access)

Cigarette Package.

Patent for "new and useful Improvements in Cigarette Packages" (lines 5-6) including "the method of dispensing or extracting cigarettes from the package and as well to the method of making a cigarette package" (lines 9-12), including one illustration.
Date: September 5, 1922
Creator: Sohn, Elmer L.
System: The Portal to Texas History
Lock For Radiator Caps. (open access)

Lock For Radiator Caps.

Patent for a device to reliably and effectively secure the radiator cap in position on the filling neck of a radiator in order to avoid displacement. Device is of simple and durable construction and inexpensive to manufacture.
Date: May 9, 1922
Creator: Brown, Francis Nathaniel, Jr.
System: The Portal to Texas History
Hydraulic Classifier. (open access)

Hydraulic Classifier.

Patent for hydraulic classifier for the treatment of ore. The invention subjects settling solid particles to a secondary classification and prevent the contamination of the settling solids before they are discharged.
Date: March 21, 1922
Creator: Allen, Charles
System: The Portal to Texas History
Building Construction (open access)

Building Construction

Patent for building construction that is new and a useful improvement to sleeping porch construction.
Date: March 14, 1922
Creator: Trost, Henry Charles
System: The Portal to Texas History
Cosmetic Lotion. (open access)

Cosmetic Lotion.

Patent for a cosmetic lotion to be used as a treatment for imperfections of the skin by inducing sloughing of the epidermis.
Date: February 28, 1922
Creator: Newlyn, Thomas J.
System: The Portal to Texas History
Metallic Roof. (open access)

Metallic Roof.

Patent for a metallic roof in which section edges are secured so that they do not become disconnected, intentional bracing prevents sagging, and securing the roof does not require the use of nails, which prevents leaks.
Date: February 21, 1922
Creator: Crawford, Hezekiah H.
System: The Portal to Texas History
Dynamo-Electric Machine (open access)

Dynamo-Electric Machine

Patent for a new and useful improvement in a dynamo-electric machine to provide a rotor in which certain coils of the winding are automatically cut out and utilized as open coils to prevent the turns in those coils from having a demagnetizing action. Another objective is to provide a rotor whose core consists of non-magnetic material to refuce the inductance and self-induction of the winding and the sparking at the commutator due to the shifting of the magnetic field and the neutral or point of commutation.
Date: January 10, 1922
Creator: Kuhn, Preston Holmes
System: The Portal to Texas History
Process for Converting Sodium Sulfate to Sodium Sulfid. (open access)

Process for Converting Sodium Sulfate to Sodium Sulfid.

Patent for converting sodium sulfate to sodium sulfid, it is a process conversion of chemical compounds sodium sulfate to sodium sulfid.
Date: November 22, 1921
Creator: Anderson, Robert James
System: The Portal to Texas History
Coin-Wrapping Device. (open access)

Coin-Wrapping Device.

Patent for a coin wrapper (primarily used in banks) that uses a strip of carbon paper to create an imprint of the coins contained inside, which will remain after the coins are removed. The purpose of this is to create a record of the original number of coins to facilitate their counting and verification.
Date: November 15, 1921
Creator: Mohr, Arthur D.
System: The Portal to Texas History
Piston Packing (open access)

Piston Packing

Patent for an improved means of packing pistons in gas, steam, or similar engines, which reduces the likelihood of loss of compression.
Date: September 27, 1921
Creator: Williams, Nolan S.
System: The Portal to Texas History
Valve and Valve-Seat. (open access)

Valve and Valve-Seat.

Patent for a valve and valve seat made of stainless steel for the purpose of preventing rusting and corrosion.
Date: September 20, 1921
Creator: Bevelle, Joseph C. & Smith, Joseph J.
System: The Portal to Texas History
Fiber Extracting Machine (open access)

Fiber Extracting Machine

Patent for "new and improved Fiber-Extracting Machine." (6-7). These improvements are specific to equipment used to separate fibers from vegetable and plant matter. The primary function of this equipment is to extract fiber from the agave plant.
Date: September 6, 1921
Creator: Lambert, William O.
System: The Portal to Texas History
Dirigible Headlight (open access)

Dirigible Headlight

Patent for improving headlights for automobiles and other vehicles. Improvements include simpler, yet effective, connectivity between the head lamps and the steering mechanism.
Date: August 30, 1921
Creator: Davis, Robert E.
System: The Portal to Texas History
Method and Plant for Storing and Averaging Materials. (open access)

Method and Plant for Storing and Averaging Materials.

Patent for improved storing and retrieval of mining materials through the use of new mechanisms, procedures, and building structures.
Date: August 30, 1921
Creator: Cole, David & Bergman, Julius
System: The Portal to Texas History
Metal-Working Device. (open access)

Metal-Working Device.

Patent for a hand-operated device that bends and shears metal at any desired angle and length.
Date: August 16, 1921
Creator: Bussel, H.
System: The Portal to Texas History
Locking Device for Motor-Vehicles. (open access)

Locking Device for Motor-Vehicles.

Patent for a simple, inexpensive locking mechanism that would prevent an automobile from being used in an unauthorized way, while still allowing the vehicle to be manually moved or towed if needed, including illustrations.
Date: June 21, 1921
Creator: Harris, Robert E.
System: The Portal to Texas History