Air-Brake Apparatus. (open access)

Air-Brake Apparatus.

Patent for an improvement to the air brake which includes new types of valves.
Date: April 14, 1914
Creator: Parker, William E.
Object Type: Patent
System: The Portal to Texas History
Air-Regulating Attachment. (open access)

Air-Regulating Attachment.

Patent for a new attachment in a carburetor that regulates air through suction and has a valve to release pressure from an engine, including illustrations.
Date: May 14, 1918
Creator: Kimbler, Henry R.
Object Type: Patent
System: The Portal to Texas History
Animal-Trap (open access)

Animal-Trap

Patent for an animal trap whose specially designed cylinders play a crucial role in tiring the animal while it is struggling to escape the trap doors Ultimately, succumbing to exhaustion and hastening its drowning in the trap's water reservoir.
Date: January 14, 1913
Creator: Link, William A.
Object Type: Patent
System: The Portal to Texas History
Annual Report of the Office of Experiment Stations, June 30, 1910 (open access)

Annual Report of the Office of Experiment Stations, June 30, 1910

Volume provides a summary of the progress of each agricultural experiment station. Also includes statistics, discussions of foreign investigations, and selected studies.
Date: September 14, 1911
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Apparatus for Extracting Wax from Plants (open access)

Apparatus for Extracting Wax from Plants

Patent for "an apparatus for extracting wax from the candelilla plant and other species of plants of the class Myrica." (lines 9-12)
Date: March 14, 1911
Creator: Frank Thatcher, of El Paso, Texas
Object Type: Patent
System: The Portal to Texas History
Arch and Instep Support for Boots and Shoes (open access)

Arch and Instep Support for Boots and Shoes

Patent for a removable arch and instep support as part of a shoe or boot.
Date: November 14, 1916
Creator: Rokahr, Charles
Object Type: Patent
System: The Portal to Texas History
Attachment for Internal-Combustion Engines. (open access)

Attachment for Internal-Combustion Engines.

Patent for an invention relating to the attachment for internal combustion engines that will provide moisture through the form of liquid or vapors. Other objectives and illustrations of invention are included.
Date: August 14, 1917
Creator: Potts, Hugh
Object Type: Patent
System: The Portal to Texas History
Attachment for Plows (open access)

Attachment for Plows

Patent for a plow attachment that is easy to use, does not "require the use of a supplemental beam or handle" (lines 11-12), and can be used with different makes of plows
Date: January 14, 1919
Creator: Nunnally, Robert Bruce
Object Type: Patent
System: The Portal to Texas History
Attachment for Vehicle-Seats. (open access)

Attachment for Vehicle-Seats.

Patent for "a vehicle seat and more particularly to a device securable to the under portion of a seat and engaging the side walls of the wagon body so that the seat will be prevented from shifting transversely of the vehicle" (lines 9-14).
Date: July 14, 1914
Creator: Jackson, George
Object Type: Patent
System: The Portal to Texas History
Automatic Hay-Press (open access)

Automatic Hay-Press

Patent for an automatic hay press that ties three sides of the bale while in the press and the fourth outside of it.
Date: March 14, 1911
Creator: Parvin, William S. & Muse, Warwick J.
Object Type: Patent
System: The Portal to Texas History
Automatic Locking Device (open access)

Automatic Locking Device

Patent for improvements to automatic locking devices when turned one direction with illustrations.
Date: May 14, 1918
Creator: Dixon, Thomas K.
Object Type: Patent
System: The Portal to Texas History
Automatic Mail Crane. (open access)

Automatic Mail Crane.

Patent for an automatic mail-crane that is simple, durable, and inexpensive.
Date: October 14, 1913
Creator: Lane, Ernest R.
Object Type: Patent
System: The Portal to Texas History
Automatic Quick-Acting Vise. (open access)

Automatic Quick-Acting Vise.

Patent for a quick-acting, easily operated vise "in which the jaws are automatically held closed upon the work until released." Its simple construction enables it to be inexpensively and efficiently manufactured.
Date: August 14, 1917
Creator: McCullough, Daniel B.
Object Type: Patent
System: The Portal to Texas History
Automatic Shutter for Poultry-Houses and the Like. (open access)

Automatic Shutter for Poultry-Houses and the Like.

Patent for automatic shutter for poultry houses, which closes with accumulation of rain water and opens upon rainwater drainage.
Date: December 14, 1915
Creator: Hawkins, Fletcher M.
Object Type: Patent
System: The Portal to Texas History
Automatic Weighing-Machine. (open access)

Automatic Weighing-Machine.

Patent for an automatic weighing machine.
Date: July 14, 1914
Creator: Ball, Andrew J.
Object Type: Patent
System: The Portal to Texas History
AUTOMATIC WEIGHING-SCALE. (open access)

AUTOMATIC WEIGHING-SCALE.

Patent for an improved automatic scale that can weigh large measurements of crops, including illustrations.
Date: June 14, 1914
Creator: Carter, Edward D.
Object Type: Patent
System: The Portal to Texas History
Automobile-Headlight (open access)

Automobile-Headlight

Patent for movable automobile headlight which reflect downward on the road surface and utilizes the at-hand mounting hardware for static automobile headlights.
Date: July 14, 1914
Creator: Allan, William N.
Object Type: Patent
System: The Portal to Texas History
Automobile Signal (open access)

Automobile Signal

Patent for Automobile Signal
Date: November 14, 1916
Creator: James, Daniel V.
Object Type: Patent
System: The Portal to Texas History
Back-Brace (open access)

Back-Brace

Patent for improvement on back braces, specifically to improve the performances of people who repeatedly stoop for their jobs. The back brace aims to relieve the stress on back muscles.
Date: November 14, 1911
Creator: Thornton, Henry C.
Object Type: Patent
System: The Portal to Texas History
Baling Press (open access)

Baling Press

Patent for improvements to baling presses for double bale type presses. It includes elevators and a reciprocating press head.
Date: October 14, 1913
Creator: Potter, William R.
Object Type: Patent
System: The Portal to Texas History
Boiler-Skimmer. (open access)

Boiler-Skimmer.

Patent for a boiler-skimmer that improves the hinge joint so that water or scum will have free access there and in all positions of the skimmer.
Date: October 14, 1919
Creator: Phillips, Eugene N. & Dick, Harvey H.
Object Type: Patent
System: The Portal to Texas History
Book Cover Protector (open access)

Book Cover Protector

Patent for improvements to book cover protectors. This protector is adjustable and can be attached to a book with adhesive or tongue-and-slit construction.
Date: October 14, 1919
Creator: Walraven, A.T. of Dallas, Texas
Object Type: Patent
System: The Portal to Texas History
Boot-Tree Former. (open access)

Boot-Tree Former.

Patent for a boot-tree former, which is used in boot manufacturing to form and stretch the shape of a boot.
Date: March 14, 1914
Creator: Lucchese, Michele
Object Type: Patent
System: The Portal to Texas History
Brake-Operating Mechanism (open access)

Brake-Operating Mechanism

Patent for a brake operating mechanism for street cars that is easy to operate and behind a guard rail or cover.
Date: March 14, 1911
Creator: Irwin, Walter W.
Object Type: Patent
System: The Portal to Texas History