Wood-Preserving Compound (open access)

Wood-Preserving Compound

Patent for a new wood preserving compound to protect wood from bugs and prevent decay.
Date: June 23, 1908
Creator: Percival, Herbert Elmer
System: The Portal to Texas History
Insect-Powder Duster (open access)

Insect-Powder Duster

Patent for "a truck mounted upon wheels, to the reat end of which is adjusted a sifter that, as the machine is progressing, will have lateral reciprocating motion imparted thereto and eject powder through an attached meshed screen" (lines 10-15).
Date: April 23, 1889
Creator: Glover, Charles Bazel
System: The Portal to Texas History
Well-Screen. (open access)

Well-Screen.

Patent for a "well screen in which a maximum screening area is obtained without weakening the frame" (lines 11-13) including instructions and illustrations.
Date: July 23, 1918
Creator: Layne, Mahlon E.
System: The Portal to Texas History
Improvements in Expanding Mandrels. (open access)

Improvements in Expanding Mandrels.

Patent for improvements in expanding mandrels by way of an expanding-chuck.
Date: January 23, 1872
Creator: Simons, John
System: The Portal to Texas History
Improvement in Vapor-Burners. (open access)

Improvement in Vapor-Burners.

Patent for an improvement in vapor burners used in self-generating gas burners.
Date: June 23, 1874
Creator: Sawyer, Frederick A.
System: The Portal to Texas History
Improvement in Devices for Transmitting Rotary Motion. (open access)

Improvement in Devices for Transmitting Rotary Motion.

Patent for an improvement to devices that transmit rotary motion from one shaft to another. It is comprised of a wheel on a rotary shaft that has has a groove that grips an angular nut mounted on a shaft.
Date: December 23, 1879
Creator: Howe, Milton G.
System: The Portal to Texas History
Improvement in Devices for Attaching Napkins to the Person (open access)

Improvement in Devices for Attaching Napkins to the Person

Patent for the improvement of attaching napkins to people in which a flexible ring is ensleeved with a napkins and stretched around the neck of a person.
Date: May 23, 1871
Creator: Raiford, Philip H.
System: The Portal to Texas History
Tractor. (open access)

Tractor.

Patent for improvements to the tractor with adjustable framework for the wheels (narrower or wider).
Date: March 23, 1920
Creator: Weaver, William S.
System: The Portal to Texas History
Station-Indicator (open access)

Station-Indicator

Patent for "an apparatus which will indicate to the passengers of railway or street cars when the car is approaching, standing at, or leaving a station, the station or street name, distance from the last station passed or to the next station, or any point upon the line that may be desired, and wherein all of the above data may be displayed simultaneously or any one or more items" (lines 10-18).
Date: October 23, 1888
Creator: Helland, Hans & Matzow, Frantz
System: The Portal to Texas History
Propelling Mechanism For Bicycles. (open access)

Propelling Mechanism For Bicycles.

Patent for propelling mechanism for bicycles that allows any type of bicycle frame to have an improved and inexpensive added high speed mechanism, including illustrations.
Date: September 23, 1913
Creator: Meschkat, Wilhelm
System: The Portal to Texas History
Mail Box Signal (open access)

Mail Box Signal

Patent for a mail box signal which is attached to a locking system on the mail box which prevents anyone from changing the signal without unlocking the box.
Date: August 23, 1910
Creator: Harmon, William E.
System: The Portal to Texas History
Mud-Guard. (open access)

Mud-Guard.

Patent for a mud guard for bicycles, which can be folded out of the way when not in use.
Date: November 23, 1909
Creator: Chisholm, Walter J.
System: The Portal to Texas History
Pump (open access)

Pump

Patent for an improvement on the design of pumps used in the oil industry. This uses a combination of water, sand, grits, and other sediments for deep wells.
Date: April 23, 1920
Creator: Scott, Floyd L.
System: The Portal to Texas History
Unscrewing Device for Pipe-Joints. (open access)

Unscrewing Device for Pipe-Joints.

Patent for an unscrewing device for pipe-joints, in the event that the drill stem gets stuck while drilling wells. This invention allows the user to unscrew "the joints of the drill stem" and withdraw "the same without the use of the left hand threaded string of pipe" (lines 35-38).
Date: March 23, 1920
Creator: Edwards, Charles R.
System: The Portal to Texas History
Double Acting Pump (open access)

Double Acting Pump

Patent for a double action pump. "This invention relates to improvements in double-acting pumps; and its object is to provide a vertical double-acting pump in which provision is made for automatically exhausting the air from the upper portion of the piston-chamber" (line 11-16) illustration included.
Date: June 23, 1903
Creator: Hall, S. N.
System: The Portal to Texas History
Gate-Latch. (open access)

Gate-Latch.

Patent for a gate-latch that latches closed with extension of the gate, but allows the gate to open by elevating said latch.
Date: November 23, 1920
Creator: Bramblett, Benjamin F.
System: The Portal to Texas History
Rotary Boring-Drill. (open access)

Rotary Boring-Drill.

Patent for a rotary boring drill that will "provide a cutting surface for the cutter" (lines 20-21) for drilling wells, particularly "roller cutters of the cone type used in drilling rock of other hard formation." (lines 13-15)
Date: December 23, 1919
Creator: Hughes, Howard R.
System: The Portal to Texas History
Show-Case (open access)

Show-Case

Patent for a show case for cigars that easily opens and closes.
Date: July 23, 1912
Creator: Lobenstein, Mack L.
System: The Portal to Texas History
Sampling Device for Artesian Wells (open access)

Sampling Device for Artesian Wells

Patent for a sampling device for artesian wells to detect when oil has been reached.
Date: April 23, 1912
Creator: Bettis, William I.
System: The Portal to Texas History
Process of Treating Wood. (open access)

Process of Treating Wood.

Patent for less expensive chemical wood treatment that will not leach out, will make wood more durable, and preserve wood for multiple uses including marine construction.
Date: August 23, 1921
Creator: Chandler, Asa C. (Asa Crawford), 1891-1958
System: The Portal to Texas History
Heating Frame for Lamps. (open access)

Heating Frame for Lamps.

Patent for a new and improved heating frame for lamps. This design seeks to "simplify and improve the adjustable supports for the top plate upon which the vessel [to be heated] is supported; secondly, to improve the construction of said top plate . . . allowing the warm air to circulate both under and around the vessel . . . thirdly, to construct and combine the top plate and a base-ring with the supporting-rods in a firm, durable, and efficient manner" (lines 27-38).
Date: May 23, 1882
Creator: Melvin, Josiah W.
System: The Portal to Texas History
Potato Screening and Sorting Machine. (open access)

Potato Screening and Sorting Machine.

Patent for "new and useful Improvements in Potato Screening and Sorting Machines" (lines 6-8). "This invention relates to potato screening and sorting machines, and has for one of its objects the provision of a machine of this character, which is simple in construction, efficient in operation, and which can be manufactured at a nominal cost" (lines 13-18).
Date: November 23, 1915
Creator: Harris, Thomas Sanders & Morgan, Joseph Penell
System: The Portal to Texas History
Elevator. (open access)

Elevator.

Patent for a new and improved design of elevators "for the purpose of preventing accidents" (lines 26-27) by locking the entrance doors while the elevator is moving, including illustrations. It is designed to be used by passengers but can also be adapted to be used as a freight elevator.
Date: November 23, 1920
Creator: Williams, George M.
System: The Portal to Texas History
Gas-Burner. (open access)

Gas-Burner.

Patent for gas burners that are made for water heaters to prevent "back firing" by building them so that they can be placed on the side of the heater rather than underneath it, so that liquid does not fall on the burner.
Date: May 23, 1916
Creator: Cochran, Harry A.
System: The Portal to Texas History