43 Matching Results

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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
Air-Cushion Tire. (open access)

Air-Cushion Tire.

Patent for improvement to the air-cushion tire in terms of resilience, and an improved structure.
Date: March 16, 1920
Creator: Williams, Harry S.
System: The Portal to Texas History
Antifreezing Appliance for Water-Pipes. (open access)

Antifreezing Appliance for Water-Pipes.

Patent for anti-freezing appliance for water supply and drain pipes of residences and buildings. The object is provide a device connected with the main and service lines of a hours supply water system for the purpose of avoiding interfering with the operation of the service.
Date: January 20, 1920
Creator: Davis, Thomas A.
System: The Portal to Texas History
Automobile-Tilting Machine. (open access)

Automobile-Tilting Machine.

Patent for new and improved automobile jack that facilitates secured access to repair the underside of the automobile, including illustrations. Jack consists of a large frame, part of which is curved for tilting, water adjustable weight counterbalance, and wheel locking channels.
Date: March 23, 1920
Creator: Weimar, Fritz
System: The Portal to Texas History
Chair and Counter. (open access)

Chair and Counter.

Patent for improvements in chairs and counters. This patent has to do with "mounting a chair with relation to a counter, table or the like, so that the chair can be slid to a position beneath the counter when not in use" (lines 9-13). This patent also has to do with moveable back and seat of the chair so that it can be folded when not in use.
Date: November 16, 1920
Creator: Wright, George
System: The Portal to Texas History
Charge-Moistening Device for Internal-Combustion Engines (open access)

Charge-Moistening Device for Internal-Combustion Engines

Patent for an attachment for cars. This attachment reduces carbon deposit in the cylinder and on the valves of the car.
Date: November 23, 1920
Creator: Smith, Charles W.
System: The Portal to Texas History
Clamp (open access)

Clamp

Patent for clamps used in framing and forming of concrete construction. The clamps are easily removed and reused eliminating the need for wooden framing used in the past.
Date: February 24, 1920
Creator: Ferguson, William D.
System: The Portal to Texas History
Cotton-Tramper. (open access)

Cotton-Tramper.

Patent for a cotton tramper that allows the plunger mechanism to operate automatically when needed to enhance the item's utility.
Date: September 7, 1920
Creator: Jacob, Ernst A. H.
System: The Portal to Texas History
Cushion Tire (open access)

Cushion Tire

Patent for Cushion Tires. Each tire will have multiple chambers within it, so if one is punctured the remainder of the tire will continue to function and not deflate.
Date: March 16, 1920
Creator: Williams, Henry S.
System: The Portal to Texas History
Electrical Testing Device. (open access)

Electrical Testing Device.

Patent for new and useful improvements in electrical testing devices. The invention provides references to innovative changes that allow for improved high-tension coil and armature testing.
Date: August 17, 1920
Creator: Bierbower, Richard C.
System: The Portal to Texas History
Electrical Testing Device. (open access)

Electrical Testing Device.

Patent for "improvements in electrical testing devices, and more specifically to an improved fluxmeter for testing the strength of magnets" (lines 13-15).
Date: March 30, 1920
Creator: Bierbower, Richard C.
System: The Portal to Texas History
Electrical Testing Device (open access)

Electrical Testing Device

Patent for a device to test electrical circuits for faults which is cheaper to manufacture, easier to use, smaller and more durable.
Date: August 17, 1920
Creator: Bierbower, Richard C.
System: The Portal to Texas History
Electrical Testing Device. (open access)

Electrical Testing Device.

Patent for an electrical device with an improved circuit arrangement in combination with various devices all assembled in compact arrangement on a board which enables to easily locate faults in various electrical apparatus or parts. This electric device is capable of use by anyone who isn't skilled as an electrician.
Date: March 30, 1920
Creator: Bierbower, Richard C.
System: The Portal to Texas History
Fiber-Cleaning Device. (open access)

Fiber-Cleaning Device.

Patent for a fiber cleaning device, which removes "the outer fleshy or non-fibrous tissues covering the fibers" (lines 19-21) for varieties of fleshy plants.
Date: April 6, 1920
Creator: Quijano, Ramon
System: The Portal to Texas History
Filter (open access)

Filter

Patent for a filter for purifying gasoline or other oil used in cleaning establishments.
Date: November 2, 1920
Creator: Daniel, William A.
System: The Portal to Texas History
Geometric Figure (open access)

Geometric Figure

Patent for a sewing pattern for spherical objects, including illustrations.
Date: June 22, 1920
Creator: Miller, Emma Thornton
System: The Portal to Texas History
Grease Cup. (open access)

Grease Cup.

Patent for a grease cup used to lubricate machine parts.
Date: January 10, 1920
Creator: Allen, Arthur Chester John
System: The Portal to Texas History
Headlight (open access)

Headlight

Patent for a headlight that has a dimming function.
Date: October 26, 1920
Creator: Pepple, John Pepple
System: The Portal to Texas History
Lantern-Top (open access)

Lantern-Top

Patent for a lantern top that provides sufficient ventilation for the lamp or lantern. The arrangement of the lantern top provides sufficient communication between the interior of the lantern and the surrounding atmosphere to insure steady burning.
Date: October 5, 1920
Creator: Moore, Thomas Lindsay
System: The Portal to Texas History
Lock-Washer. (open access)

Lock-Washer.

Patent for "an improved lock washer especially adapted for locking nuts" (lines 10-11) that was designed to "be interposed between the nut and a member to be clamped by the nut" (lines 14-16).
Date: June 8, 1920
Creator: Medbery, Clinton A.
System: The Portal to Texas History
Man's Garment (open access)

Man's Garment

Patent for improvements in men's garments allowing for a reversible garment wherein the stitches appear the same regardless of which side is out.
Date: April 20, 1920
Creator: Góngora, Tomás
System: The Portal to Texas History
Overhead Radial Conveyer System. (open access)

Overhead Radial Conveyer System.

Patent for a freight and merchandise handling system utilizing overhead conveyor belts to move items going to/from either a warehouse facility or an applicable mode of supply chain transportation.
Date: December 6, 1920
Creator: Wohn, Frederick
System: The Portal to Texas History
Paper-Cutting Machine. (open access)

Paper-Cutting Machine.

Patent for an improved paper cutting machine that can achieve more precise cuts for labels, paper boxes, and cartons, and also has a clamping mechanism to hold the paper in place.
Date: July 27, 1920
Creator: Downie, James H.
System: The Portal to Texas History
Piston Ring (open access)

Piston Ring

Patent for improvements to piston rings to reduce leakage through piston grooves, rings, and joints.
Date: April 17, 1920
Creator: Olsen, Jens J. & Edwards, Lewis E.
System: The Portal to Texas History