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1,242 Matching Results

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Automatic lock. (open access)

Automatic lock.

Patent for a gate lock that automatically locks.
Date: March 24, 1924
Creator: Parker, Robert N.
System: The Portal to Texas History
Cotton Blocker (open access)

Cotton Blocker

Patent for cotton blockers that prevent crops from becoming covered in soil during the harvesting process.
Date: February 15, 1921
Creator: Fowler, Alonzo. J.
System: The Portal to Texas History
Article Holder or Stand. (open access)

Article Holder or Stand.

Patent for a device that conveniently and readily supports books, photographs, picture cards, and other similar articles. The new design is formed from a single strand of wire, and is specifically adapted for holding books in an open position and allowing the pages to be turned as needed.
Date: February 28, 1922
Creator: Boyette, Oren K.
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
Automatic Gas-Release Packer. (open access)

Automatic Gas-Release Packer.

Patent for automatic gas release packer that uses constant pressure regulated by spring-controlled valves for better control when lifting oil out of wells.
Date: April 11, 1922
Creator: Cummings, William J.
System: The Portal to Texas History
Boll Weevil Catcher (open access)

Boll Weevil Catcher

The objective of the invention is to improve to catching and destroying boll weevils with a device that is easily attached to a cultivator. This device includes "receptacles filled with an insect destroying liquid." (lines 23-24).
Date: July 5, 1921
Creator: Ploch, Alex
System: The Portal to Texas History
Clip for Eyeglass Cases and The Like (open access)

Clip for Eyeglass Cases and The Like

Patent for a clip for eyeglass cases and the like. Meant to provide an inexpensive and simple clip to hold eyeglass cases in the pocket to prevent displacement.
Date: March 14, 1922
Creator: Evans, William B.
System: The Portal to Texas History
Combined Swingletree and Evener. (open access)

Combined Swingletree and Evener.

Patent, including illustrations, for improvements to combined swingletrees and eveners, tools used to equalize strain between a draft animal and vehicle, "which is easily and simply constructed, inexpensive to manufacture, and one which will be very efficient in operation" (lines 22-25).
Date: March 16, 1920
Creator: White, Floyd N.
System: The Portal to Texas History
Boll Weevil Catcher. (open access)

Boll Weevil Catcher.

Patent for an insect-catching device with collection receptacles that operates on skids for better maneuverability in fields.
Date: March 30, 1920
Creator: Stukes, John Marion
System: The Portal to Texas History
Bank-Check Writer. (open access)

Bank-Check Writer.

Patent for a new and useful improvements in Bank-Check Writers. With this device, a blank check may be inserted and the name of the payee and the amount in figures will be typewritten.
Date: May 18, 1920
Creator: Wendelken, Charles
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
Auto Steering-Lock (open access)

Auto Steering-Lock

Patent for a lock designed to attach to the spokes of a steering wheel with the intention of guarding it from "unauthorized persons" (line 20), including illustrations.
Date: June 1, 1920
Creator: Cosby, Luther F.
System: The Portal to Texas History
Apparatus for Treatment of Oil Emulsions. (open access)

Apparatus for Treatment of Oil Emulsions.

Patent for improvements in apparatus for treatment of oil emulsions by providing a means that will greatly assist in the separation of water from oil emulsions and which will aid the re-absorption or retention of gas.
Date: January 13, 1920
Creator: McKibben, Charles W.
System: The Portal to Texas History
Animated Sign (open access)

Animated Sign

Patent for a display apparatus to be implemented as animated advertising signs which successively display different images by controlling the timing of changes in the colors of light used to flood the front and to backlight the display surfaces. The images are created in such a way that certain elements created in certain colors become absorbed or are made invisible when illuminated by certain colors of light. An apparatus controls the cyclical changes of the colored lights used by the sign.
Date: September 5, 1922
Creator: Craig, Richard M.
System: The Portal to Texas History
Cereal Food and Process of Preparing the Same. (open access)

Cereal Food and Process of Preparing the Same.

Patent for improving cereal food processing by grinding corn and other grains into meal to convert starch into dextrin, and through drying grains to remove moisture and prevent fermentation (lines 17-23). Additionally, the processing will make the cereal appetizing and easily digestible.
Date: November 1, 1921
Creator: Kelly, Martha R.
System: The Portal to Texas History
Apparatus for Extracting Minerals from Ores. (open access)

Apparatus for Extracting Minerals from Ores.

Patent for an apparatus that extracts minerals, especially sulfur, from ores. The apparatus features new and useful improvements, creating an automatic extraction that separates the minerals in a pure state.
Date: January 13, 1920
Creator: Shires, George M.
System: The Portal to Texas History
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
Ant Trap (open access)

Ant Trap

Patent for an ant trap designed as a ring-shaped trough and which allows for the drainage of rainwater through a pipe fitted with a porous plug. Both walls of the trough are capped with inward and downward curved flanges.
Date: August 1, 1922
Creator: Scrivner, Jefferson Davis
System: The Portal to Texas History
Block or Follower for Baling-Presses. (open access)

Block or Follower for Baling-Presses.

Patent for blocks or followers for baling presses that has an improved press block to facilitate the handling of the bagging that the bale is wrapped in so the bale can be held tightly.
Date: September 7, 1920
Creator: Becker, Irvine N.
System: The Portal to Texas History
Cotton-Boll-Cleaning Machine. (open access)

Cotton-Boll-Cleaning Machine.

Patent for a more practical and compact cotton boll cleaning or ginning machine.
Date: September 7, 1920
Creator: Lokey, Allen T.
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