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Acetylene-Gas-Generating Lamp. (open access)

Acetylene-Gas-Generating Lamp.

Patent for a new and useful acetylene gas lamp, including instructions and illustrations.
Date: December 5, 1899
Creator: Eldridge, Hilliary
System: The Portal to Texas History
Acetylene-Gas Generator. (open access)

Acetylene-Gas Generator.

Patent for an acetylene-gas generator that provides an apparatus in which the parts may be readily detached for convenience in making repairs.
Date: June 5, 1908
Creator: Carl, Reinhold A.
System: The Portal to Texas History
Acetylene - Gas Generator (open access)

Acetylene - Gas Generator

Patent for certain new and useful improvements in gas generating apparatus, including instructions and illustrations.
Date: July 5, 1898
Creator: Lewis, Thomas E.
System: The Portal to Texas History
Acetylene-Gas Generator. (open access)

Acetylene-Gas Generator.

Patent for a new and improved gas generator, including instructions and illustrations.
Date: December 5, 1899
Creator: Schaefer, Henry P.
System: The Portal to Texas History
Actuating Device for Circuit Closers (open access)

Actuating Device for Circuit Closers

Patent for an actuating device for circuit closers. Illustration included.
Date: November 5, 1912
Creator: Young, George D.
System: The Portal to Texas History
Adding-Machine (open access)

Adding-Machine

Patent for improvements to adding machines, which is key-operated and includes a vertically disposed shaft and a means to actuate the sliding plate.
Date: January 5, 1915
Creator: Gatewood, William F.
System: The Portal to Texas History
Adjustable Luggage-carrier (open access)

Adjustable Luggage-carrier

Patent for a luggage carrier that attaches to vehicles to carry packages of various sizes. Includes illustrations.
Date: April 5, 1921
Creator: Green, John R.
System: The Portal to Texas History
Adjustable Trace Connector (open access)

Adjustable Trace Connector

Patent for an adjustable trace connector. Illustration included.
Date: January 5, 1909
Creator: Erwin, Agustin Reese; Burks, William D. & Burks, Joseph B.
System: The Portal to Texas History
Adjustable Window-Shade (open access)

Adjustable Window-Shade

Patent for an adjustable window-shade that is more useful and can be "raised and lowered in its entirety" (lines 10-11) including instructions and illustration.
Date: December 5, 1916
Creator: Hayes, George Daniel
System: The Portal to Texas History
Advertising Device. (open access)

Advertising Device.

Patent for an advertising machine that is motor-operated and will display a succession of slides that can be shown during the day or at night. It includes a light to help show slides to the public, a shutter that automatically and intermittently displays slides, a lens for projecting slides on a distant screen, and a master slide to be shown with each slide. The patent includes illustrations.
Date: August 5, 1913
Creator: Bernard, Oscar C.
System: The Portal to Texas History
Advertising-Sign. (open access)

Advertising-Sign.

Patent for an advertisement sign with a translucent display band that illuminates different sections of letters, numbers, or figures, in various colors, giving the appearance of animation.
Date: August 5, 1919
Creator: Craig, Richard M.
System: The Portal to Texas History
Aeroplane (open access)

Aeroplane

Patent for an aeroplane. This invention does not use any mechanism to maintain the planes equilibrium. Illustration included.
Date: November 5, 1912
Creator: Goebel, Alois
System: The Portal to Texas History
Aeroplane (open access)

Aeroplane

Patent for an aeroplane that will maintain its balance in the air automatically
Date: December 5, 1911
Creator: McManus, Augustus F. W.
System: The Portal to Texas History
Agricultural Implement. (open access)

Agricultural Implement.

Patent for "attachments for planters, cultivators and the like" (lines 8-10) "whereby the implement will be permitted to yield to uneven ground" (lines 11-12).
Date: November 5, 1901
Creator: Waters, James M.
System: The Portal to Texas History
Air-Supplying Device For Diving Purposes. (open access)

Air-Supplying Device For Diving Purposes.

Patent for a new and useful air supplying device for diving purposes, including instructions and illustrations.
Date: December 5, 1899
Creator: Hensley, Frank A.
System: The Portal to Texas History
Aircraft (open access)

Aircraft

Patent for Improvements to aircraft steering. The invention allows the pilot to adjust the center of mass.
Date: April 5, 1921
Creator: Johnson, Louis V.
System: The Portal to Texas History
Airship-Destroyer. (open access)

Airship-Destroyer.

Patent for a new airship-destroyer with the new ability to fire pellets and bombs in various directions and differing altitudes (lines 8-12), to ignite fuses to prime the device for firing at a predetermined altitude (lines 13-19), to incorporate a bomb to explode upon contact with the airship (lines 20-24), and to provide the projectile with a rocket to propel it to a greater altitude (lines 25-28).
Date: November 5, 1918
Creator: Saladiner, Joseph M.
System: The Portal to Texas History
Andiron (open access)

Andiron

Patent for improvements to andiron or "fire-dogs".
Date: July 5, 1887
Creator: Steele, Oliver
System: The Portal to Texas History
Animal-Trap. (open access)

Animal-Trap.

Patent for a new and useful animal trap, including instructions and illustrations.
Date: December 5, 1899
Creator: Buckersberg, Simon
System: The Portal to Texas History
Animal-Trap. (open access)

Animal-Trap.

Patent for improvements in animal-traps that would be capable of catching two animals; to set the trap, bait is placed upon the hooked ends of the bait-hooks, the jaws are elevated and retained in a position by the link-catches, which have the lower hooked ends engaging the trigger, which has its free end engaging the eye at the inner end of the bait hooks, thus setting the trap, (lines 66-73) ready to catch animals. Illustration is included.
Date: May 5, 1891
Creator: Anderson, Henry Clay
System: The Portal to Texas History
Animal Trap. (open access)

Animal Trap.

Patent for a new and improved animal-trap. This design consists "[i]n a trap comprising a well having ingress-openings in diametrically-opposite sides, the combination, with a cage constructed to move vertically in the said well, of plates mounted in ways and constructed to slide past and cover the said openings and having connection with the cage to counterbalance the same" (lines 86-93).
Date: April 5, 1892
Creator: McLeod, Charlie Mike
System: The Portal to Texas History
Animal-Trap (open access)

Animal-Trap

Patent for an animal trap which is to be sprung by the animal when the bait is touched. It is constructed in such a manner that the animal will be instantly killed. The metal parts of the trap are to create a strong and durable trap and to be manufactured at a small expense.
Date: April 5, 1921
Creator: Brewington, Philip Jennings
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
Antifreezing Outlet-Valve for Tanks. (open access)

Antifreezing Outlet-Valve for Tanks.

Patent for a new and improved "valve-operating mechanism which cannot be rendered inoperative by ice forming in the tank, and also whereby the valve itself cannot become frozen" (lines 26-30) including illustrations.
Date: May 5, 1914
Creator: Whipp, John W.
System: The Portal to Texas History