Aeroplane. (open access)

Aeroplane.

Patent for a new and useful airplane that provides the ability of the aircraft to take off from the ground at an abrupt angle. The aircraft has a supplemental propeller and jointed body to direct the machine upward in an abrupt ascent, making it especially useful in wooded areas or where obstructions prevent normal take-off.
Date: February 3, 1920
Creator: Cartwright, Andrew
System: The Portal to Texas History
Attachment for Lister-Cultivators (open access)

Attachment for Lister-Cultivators

Patent for improvements in attachments to lister-cultivators. Illustration is included.
Date: October 12, 1920
Creator: Degge, Marvin E.
System: The Portal to Texas History
Battery-Terminal-Fastening Device (open access)

Battery-Terminal-Fastening Device

Patent for improvements to battery terminal fastening devices. Illustration is included.
Date: October 12, 1920
Creator: Hawkins, Alda F.
System: The Portal to Texas History
Apparatus For Protecting And Preserving Poles And The Like (open access)

Apparatus For Protecting And Preserving Poles And The Like

Patent for add-on device to shield existing electric posts and poles from decay over time and weather damage.
Date: September 21, 1920
Creator: Lewis, Thomas E.
System: The Portal to Texas History
Aeroplane-Kite. (open access)

Aeroplane-Kite.

Patent for a new aeroplane-kite which can be "readily dismantled and folded for shipping and easily assembled and placed in position for flying without the use of numerous fastenings and detachable parts, thereby making for simplicity and practicability" (lines 12-17). Also includes wind tunnels and a fuselage frame which is so easily assembled that a child can do it.
Date: October 19, 1920
Creator: McLaughlin, James T.
System: The Portal to Texas History
Adjustable Tire Mold (open access)

Adjustable Tire Mold

Patent for a tire mold that improves the viability of a tire mold due to the adjustable levers used during the tire curing process.
Date: December 7, 1920
Creator: Hibbs, Cassell D.
System: The Portal to Texas History
Animal-Trap. (open access)

Animal-Trap.

Patent for an animal trap that allows an animal, most suitably animals of the rodent species, to enter a rectangular box from any of its four sides through a gate formed of downwardly inclined wires pivoted above each of said openings inside of the box. When an animal enters the trap, they are unable to leave because of the downwardly bent ends of transverse bars secured to the said inclined wires.
Date: November 2, 1920
Creator: Smith, James W.
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
Anti-Agitating Device. (open access)

Anti-Agitating Device.

Patent for anti-agitating device, including two figures describing said device, with illustrations. Author describes improvements for liquid dispensers on previous anti-agitating devices by altering the cylinder duties during its performance.
Date: February 3, 1920
Creator: Catron, John J.
System: The Portal to Texas History
Battery-Plate and Terminal Connection (open access)

Battery-Plate and Terminal Connection

Patent for improvements on a battery plate and terminal connections. Plate lugs and the terminal for the battery are a solid piece to fit more battery sizes and prevent the lugs from breaking off.
Date: May 4, 1920
Creator: Hawkins, Alda F.
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
Advertising Attachment for Scales. (open access)

Advertising Attachment for Scales.

Patent for improvements in advertising attachments for scales to "provide an attachment of the character specified, wherein a series of display members are provided, mounted to be moved into different positions, to bring different matter into different positions, and controlled to movement by the stepping onto the weighing platform of the one to be weighed." (lines 11-18)
Date: July 13, 1920
Creator: Funk, Arthur Neal
System: The Portal to Texas History
Battery Terminal Fastening (open access)

Battery Terminal Fastening

Patent for fastening "the rubber caps or tops on the cells of storage batteries in various ways." (Lines 12-14.)
Date: May 5, 1920
Creator: Hawkins, Alda F.
System: The Portal to Texas History
Wire-stretching Tool. (open access)

Wire-stretching Tool.

Patent for "a simple tool, easily manufactured and readily taken apart, which can be conveniently carried by one man, and with which he can stretch wire to the proper tension and readily fasten same, said tool being also adapted to be used in cutting wire and removing staples."
Date: September 14, 1920
Creator: Manly, Walter D.
System: The Portal to Texas History
Wrench. (open access)

Wrench.

Patent for a wrench specifically made to remove well drill bits from the drill.
Date: April 13, 1920
Creator: Stover, Willard L.
System: The Portal to Texas History
Knife. (open access)

Knife.

Patent for a knife with multiple curved blades used to cut food.
Date: July 13, 1920
Creator: Oertli, Henri
System: The Portal to Texas History
Truck. (open access)

Truck.

Patent for an improvement in trucks adapted for railroad use including handling baggage and freight and allowing the supporting wheels to be arranged with respect to the body of the truck so they can be moved longitudinally.
Date: May 25, 1920
Creator: Hall, James T.
System: The Portal to Texas History
Inlet-Grate (open access)

Inlet-Grate

Patent for an improved inlet grate, which has a supporting frame. This inlet grate will not be displaced by traffic or other disturbances.
Date: November 30, 1920
Creator: Fairtrace, George D.
System: The Portal to Texas History
Irrigating Apparatus. (open access)

Irrigating Apparatus.

Patent for new and useful improvements in irrigation apparatuses. The design includes "a system of surface irrigation comprising a main supply tank, a series of reservoirs, pipes connecting said tank and reservoirs" (lines 95-98). It is intended to allow for irrigating large and small plats of land simply and efficiently.
Date: October 12, 1920
Creator: French, Horatio Benjamin
System: The Portal to Texas History
Landing Device for Aeroplanes. (open access)

Landing Device for Aeroplanes.

Patent for improvements in landing devices for aeroplanes that can be controlled by the aviator and adjusted with the direction of the plane's movement as it lands.
Date: September 7, 1920
Creator: Martin, Ernest L.
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
Liquid Coating Composition (open access)

Liquid Coating Composition

Patent for improved non-flammable paint and multi-purpose byproduct of paint production process.
Date: October 19, 1920
Creator: McKay, Arthur N. & Willis, William L.
System: The Portal to Texas History
Valve. (open access)

Valve.

Patent for "new and useful Improvements in Valves" (lines 5-6) used in pneumatic inner tubes to stop leakage, including illustrations.
Date: December 14, 1920
Creator: Cheek, Alex L.
System: The Portal to Texas History
Wagon Unloading Device (open access)

Wagon Unloading Device

Patent for "Improvements in Wagon-Unloading Devices" including illustrations.
Date: February 3, 1920
Creator: Ford, John Owen
System: The Portal to Texas History