Arc-Lamp. (open access)

Arc-Lamp.

Patent for an arc lamp that features a spring operated clutch mechanism for the upper electrode.
Date: July 10, 1917
Creator: Williams, Theron H.
System: The Portal to Texas History
Linotype Machine (open access)

Linotype Machine

Patent for used producing lines of type, and it is the object of the invention to provide a comparatively simple, small, inexpensive and compact machine of that character generally resembling a type write in its construction and operation, and operable to produce lines of type.
Date: November 20, 1917
Creator: French, Morris
System: The Portal to Texas History
Jogger Attachment for Platen Printing-Press (open access)

Jogger Attachment for Platen Printing-Press

Patent for an automatic jogging attachment for platen presses. The attachments are unique because they can be placed on the press without alterations, they allow for the stacking of sheets in a uniform manner while also being more durable and efficient.
Date: April 3, 1917
Creator: Howard, Lewis F.
System: The Portal to Texas History
Cultivator-Hobble (open access)

Cultivator-Hobble

Patent for an improved cultivator hobble, including illustrations.
Date: September 25, 1917
Creator: Hackfeld, John H.
System: The Portal to Texas History
Curtain and Shade Bracket. (open access)

Curtain and Shade Bracket.

Patent for curtain and shade bracket which is readily secured to the window frame without marring the same and which is provided with adjustable means for attaching the shade and also for attaching the curtain pole, whereby from a single fixture the window shade and curtain may be suspended.
Date: October 2, 1917
Creator: Walker, Charles R.
System: The Portal to Texas History
Paper Doll (open access)

Paper Doll

Patent for to create a more sturdy paper doll and its outfits by means of folding and using slits and adhesives to no longer require the use of tabs. Illustrations included.
Date: June 26, 1917
Creator: Ferguson, Gradele
System: The Portal to Texas History
Burglar Alarm (open access)

Burglar Alarm

Patent for alarm that is activated upon the closing of a circuit, which will occur when an intruding person enters through the window or door.
Date: February 27, 1917
Creator: Hilley, Albert O.
System: The Portal to Texas History
Cotton Chopper (open access)

Cotton Chopper

Patent for chopper blade for cotton.
Date: February 6, 1917
Creator: Jones, Martin A.
System: The Portal to Texas History
Rail-Joint. (open access)

Rail-Joint.

Patent for a modification of a conventional rail joint, adding a solid abutment that allows for the use of conventional splice bars that "does not involve any appreciable increase in cost over the conventional rail joint" (lines 29-30). Includes Illustration.
Date: May 22, 1917
Creator: Baker, William E.
System: The Portal to Texas History
Apparatus for Forming Gun Barrels. (open access)

Apparatus for Forming Gun Barrels.

Patent for an apparatus for forming gun barrels that twists a sheet of metal into a tube for the gun barrel at a slight angle, while slightly flattening the tube into an oval shape. This method is supposed to create ribs within the gun barrel.
Date: September 10, 1917
Creator: Cole, William F.
System: The Portal to Texas History
Window Sash And Curtain Operating Mechanism (open access)

Window Sash And Curtain Operating Mechanism

Patent for a window sash and curtain mechanism that works in tandem with electronic security systems. Sash/Curtains can be moved normally, but an alarm can be set to detect when the window itself is tampered with.
Date: October 25, 1917
Creator: Schwarz, Henry W.
System: The Portal to Texas History
Film Actuating Mechanism For Motion Picture Cameras. (open access)

Film Actuating Mechanism For Motion Picture Cameras.

Patent for useful improvement in Film Actuating Mechanism for Motion-Picture cameras and cinematograph motion picture cameras. This invention simplifies and improves on the construction and capacity of film.
Date: May 12, 1917
Creator: Gildersleeve, Fred E. & Trice, William L.
System: The Portal to Texas History