UNT Libraries Government Documents Department - 50 Matching Results

Search Results

Results: 1 - 24 next

Ice-Holding Device.

Description: Patent for a device to hold ice upon running-boards of vehicles (lines 10-11.) This device is flexible in use (it can be pulled up to reveal the ice, and put back out of the way), simple in design, and cheap to construct.
Date: March 21, 1922
Creator: Barton, Warren D.
Item Type: Refine your search to only Patent

Tractor

Description: Patent for an improved tractor where the "propelling force is delivered through traction blocks...(lines 11-12)."
Date: March 22, 1921
Creator: Aerl, Van Vivian
Item Type: Refine your search to only Patent

Evaporative Cooler.

Description: Patent for an evaporative cooler/refrigerator that is cooled by the evaporation of water with ventilating tubes to maintain the air condition in shelves. Water is adapted to move through a "cloth, flowing downwardly therethrough and being evaporated therefrom to thereby effectually cool the articles disposed within the refrigerator" (lines 28-31). This patent includes illustrations
Date: March 10, 1914
Creator: Henderson, Thomas A.
Item Type: Refine your search to only Patent

Trunk-Strap.

Description: Patent for an "efficient and inexpensive" (lines 13-14) trunk strap, including instructions and illustration. The strap is comprised of adjustable sections, the free ends of which hook into angular plates on the bottom of the trunk.
Date: March 28, 1916
Creator: Hall, James T.
Item Type: Refine your search to only Patent

Package-Tie.

Description: Patent for a tie that fastens the ends of a string together for the purpose of securely wrapping packages, including instructions and illustrations.
Date: March 23, 1915
Creator: Forsgard, Edward F.
Item Type: Refine your search to only Patent

Rivet Setting and Displacing Tool

Description: Patent for a tool for "setting new rivets and displacing defective rivets from buggy bow-sockets" (line 9-10), and it is aimed to be easy to use with efficiency and reliability. The tool is constructed to be "simple, strong, durable and inexpensive construction" (line 16-18).
Date: March 2, 1915
Creator: Thrasher, John W.
Item Type: Refine your search to only Patent

Switch Mechanism

Description: Patent for a switch mechanism, which is a improvement for the switch throwing mechanisms used for street railway systems. "The switch is set by means of tripping devices by the car and under control of the motorman."
Date: March 2, 1915
Creator: Yoakum, Hugh D.
Item Type: Refine your search to only Patent

Non-Refillable Bottle

Description: Patent for an improvement on non-refillable bottles. The improvement would not let any other liquid be surreptitiously added to the bottle. Also this patent design allows for the closure plug to be reused by the manufacturer of the bottle in new bottles.
Date: March 3, 1914
Creator: Helmcamp, Louis C. & Hoxworth, Edwin
Item Type: Refine your search to only Patent

Automatic Gun Firing Mechanism.

Description: Patent for an automatic gun firing mechanism intended to protect gardens, orchards, and fields by scaring off birds and other animals that destroy crops through automatic discharge of a firearm at predetermined intervals.
Date: March 18, 1913
Creator: Steinocher, John
Item Type: Refine your search to only Patent

Water Distilling Apparatus

Description: Patent for a water distilling apparatus. This invention is designed for condensing steam into distilled water. Additionally, the design is meant to separate empyreumatic gases from the water vapor during the distillation process. Illustration included.
Date: March 5, 1907
Creator: Lazenby, Robert S. & Lazenby, Henry C.
Item Type: Refine your search to only Patent

Trolley-Pole.

Description: Patent for a trolley pole, which attaches easily to the wire and can be placed on it by the operator without him leaving his station on the trolley.
Date: March 16, 1909
Creator: Barr, George T., Sr.
Item Type: Refine your search to only Patent

Gun-Stock.

Description: Patent for an improved wooden stock for firearms which combines maximum lightness and strength, may be produced at reduced cost, and is adapted for convenient and advantageous manipulation for defensive purposes.
Date: March 27, 1906
Creator: Cole, William F.
Item Type: Refine your search to only Patent

Gun-Barrel.

Description: Patent for improvement in small firearms. The gun combines a cylindrical breech and with an elliptical bore in order to increase the projectile’s impact and stabilize its trajectory. The invention uses an ordinary ball cartridge, improving upon an earlier patent by the inventor. Detailed explanation and illustrations included.
Date: March 4, 1902
Creator: Cole, William F.
Item Type: Refine your search to only Patent
Back to Top of Screen