Automatic Gun or Rifle. (open access)

Automatic Gun or Rifle.

Patent for a gun or rifle with a magazine, which quickly and automatically ejects spent cartridges and reloads.
Date: May 7, 1912
Creator: Douglas, William M.
System: The Portal to Texas History
Automatic Car Uncoupler. (open access)

Automatic Car Uncoupler.

Patent for a new and improved car uncoupler. This design consists in "[t]he combination, with a coupling adapted to hold two cars together, of an uncoupler comprising a lever pivotally connected to the car, a weight supported on the car and connected to said lever, and a connection between the weight-operated lever and the coupling for operating it, to separate the cars upon the dropping of the weight" (lines 4-11).
Date: June 7, 1887
Creator: Flett, John Henry
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design has for its object "to provide a coupler which may be used in connection with an ordinary pin-and-link coupler, or with a novel form of draw-pin formed especially for use in connection with the coupler . . . the object of the invention being to so arrange the parts that cars may be automatically coupled and uncoupled without entering the spaces between the ends of the approaching cars" (lines 8-17).
Date: June 7, 1887
Creator: Flett, John Henry
System: The Portal to Texas History
Composition of Matter for Manufacturing Calcium Carbid. (open access)

Composition of Matter for Manufacturing Calcium Carbid.

Patent for a "new and useful Composition of Matter for Manufacturing Calcium Carbid" (lines 5-7) that will aid in the commercially successful production. Patent includes specifications for the composition of matter.
Date: September 7, 1897
Creator: Blum, Sylvain; Eldridge, Hillary; Clark, Daniel J. & Lazarus, Sam
System: The Portal to Texas History
Automatic Firing Device for Explosive Shells. (open access)

Automatic Firing Device for Explosive Shells.

Patent for automatic firing device where "an explosive shell may be caused to travel any distance within the range of the shell through the air without exploding" (lines 14-17).
Date: January 7, 1919
Creator: McCombs, Orville K.
System: The Portal to Texas History
Machine for Separating Fiber from Stalks. (open access)

Machine for Separating Fiber from Stalks.

Patent for a machine that separates fibers from the stalks and leaves of a variety of plants, including ramie, flax, pineapple, and sisal.
Date: January 7, 1902
Creator: Allison, Samuel B.
System: The Portal to Texas History
Hydraulic Pump (open access)

Hydraulic Pump

Patent for a hydraulic pump. Illustration included.
Date: March 7, 1905
Creator: Russell, Robert H.; Arnold, Clifton W. & Sheldon, Walter L.
System: The Portal to Texas History
Steam-Separating Trap (open access)

Steam-Separating Trap

Patent for a steam eliminator for engines or other machinery to deliver steam with as little moisture as possible including illustrations.
Date: August 7, 1900
Creator: Cox, John R.; Wright, George H. & Reynolds, William H.
System: The Portal to Texas History
Fire-Escape. (open access)

Fire-Escape.

Patent for improvements in fire-escapes “in which a rope forming part of the device, has its upper end attached within a window or other opening of a building and is connected with apparatus to raise and lower an ascending fireman or other person escaping from the building.” (Lines 16-21) Illustration is included.
Date: July 7, 1891
Creator: Rutledge, William O.
System: The Portal to Texas History
Fire-Extinguishing System. (open access)

Fire-Extinguishing System.

Patent for a fire extinguishing system with improved hydrant connections and sprinkler systems in buildings.
Date: February 7, 1911
Creator: Corneliussen, Ivar
System: The Portal to Texas History
Folding Cot or Bedstead. (open access)

Folding Cot or Bedstead.

Patent for "cots and bedsteads wherein the side and end rail parts are permanently connected mediately of their length in a manner to permit of the folding thereof to form a compact bundle for handling when not in use and a strong and firmly-braced structure when set up to support the sacking bottom for the bed." (Lines 10-16) Includes instructions and illustrations.
Date: September 7, 1897
Creator: Rimmelin, Edward Henry
System: The Portal to Texas History
Fluid - Pressure Regulator. (open access)

Fluid - Pressure Regulator.

Patent for a new and useful Gas pressure regulator. This invention "relates to gas pressure regulators especially adapted for use with gas stored under high pressure in a cylinder or similar portable storage vessel" (line 8-10).
Date: December 7, 1897
Creator: Clark, George Greenleaf
System: The Portal to Texas History
Flexible Joint. (open access)

Flexible Joint.

Patent for a flexible joint for rigid pipes that allows the pipes to be taken around a bend or moved around easily in the operation of a sand pump or hydraulic dredging machine.
Date: July 7, 1908
Creator: Brown, Martin William
System: The Portal to Texas History
Mergenthaler Linotype-Machine. (open access)

Mergenthaler Linotype-Machine.

Patent for an improvement "to the elevator-arm of the Mergenthaler linotype-machine, and its object is to prevent the rubbing of the matrices against the inner walls of the channel-plates when being raised therefrom." (Lines 9-13) Includes instructions and illustrations.
Date: April 7, 1896
Creator: Sundstrom, Herman Theodor
System: The Portal to Texas History