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Valve Control for Radiator Drain-Cocks.

Description: Patent for "controlling devices for operating the valves of radiator drain cocks and for cleaning the drain cock pipe, and the object is to provide a convenient device by which the drain cock valve can be easily and quickly closed or opened and by which the drain pipe can be cleaned and kept cleaned." (lines 10-16)
Date: July 27, 1920
Creator: Brandt, Herman
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Liquid-Fuel Burner.

Description: Patent for improvements in liquid fuel burners that can handle intense heat and can be mass-produced.
Date: September 27, 1921
Creator: Hosek, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wood Rod Elevator

Description: Patent for an improvement to rod lifters that prevents the rotation of the rods as well as locking jaws into their gripper positions. The locking and gripping is made more efficient and can release rods quickly.
Date: July 27, 1920
Creator: Davis, George F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wire-Straightening Tool.

Description: Patent for a wire straightening tool, with illustrations, that relies on a series of levers and cams to apply pressure to the wire as it is pulled through. The patent notes that "the wires can be straightened quickly and with facility, thereby permitting the using of all twisted and bent wire which has heretofore gone to waste and resulting in considerable saving of metal" (page 2, lines 14-18).
Date: January 27, 1920
Creator: Cervenka, Frank L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trap.

Description: Patent for a small animal trap that prevents injury to the animal. When the animals step on the pedal inside the enclosure, a door is automatically dropped. The animal is trapped inside the enclosure.
Date: June 27, 1922
Creator: Dinkins, Earl T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well Cable-Pump

Description: Patent for an improved pump that can be used in connection with deep wells and provides improved construction that alleviates the necessity of having a long line of extra pipe and the troubling pump rod.
Date: July 27, 1920
Creator: Fender, Joe N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner.

Description: Patent for improvements in hydrocarbon burners that is inexpensive and can take refined oil or heavy crude oil and make it useable as fuel.
Date: July 27, 1920
Creator: St. Wrba, Joseph J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stalk-Chopper.

Description: Patent for improvements to the stalk-chopping machine that will strip the ears from the corn while also chopping the corn stalk into bits to fertilize the field.
Date: January 27, 1920
Creator: Bartz, Adolph J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spark-Arrester.

Description: Patent for a spark aresster that is designed to prevent the discharge of sparks from a flue, particularly flues for small stoves used in army tents.
Date: January 27, 1920
Creator: Ashby, Bert A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Speed-Recorder.

Description: Patent for recording instruments to use in connection with automobiles to record the speed of conveyance during the period of travel.
Date: July 27, 1920
Creator: Bowdish, Harry A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Torch or Burner

Description: Patent for a torch or burner for use in burning brush or foliage, which uses a pressure-controlled liquid fuel tank that maintains a steady flow of fuel at the correct pressure.
Date: April 27, 1920
Creator: Hardt, Benjiman F. & Taylor, Samuel T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mail Carrier or Container.

Description: Patent for a mail carrier designed with a ratchet and clamp to hold mail securely while also allowing for quick extraction of the mail.
Date: April 27, 1920
Creator: Blocker, Leck H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Traction-Support.

Description: Patent for a traction board for placing under automobile wheels when stuck in sand or mud, and hanging device for carrying the boards when not in use.
Date: December 27, 1921
Creator: Gentry, Burney C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Paper-Cutting Machine.

Description: Patent for an improved paper cutting machine that can achieve more precise cuts for labels, paper boxes, and cartons, and also has a clamping mechanism to hold the paper in place.
Date: July 27, 1920
Creator: Downie, James H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Packet-Holder.

Description: Patent for a packet holder used to wrap and tie a bundle of mail or letters made using a cord and clasp plate.
Date: January 27, 1920
Creator: Ashby, Bert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mold for Making Fan-Belts.

Description: Patent for a three-piece mold which allows for fan belts to be made using a single piece of rubber or composition material. The fan belts would primarily be used in motor vehicles.
Date: December 27, 1921
Creator: Hibbs, Cassell D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Wrench.

Description: Patent for a pipe wrench that can be "operated in either direction" (line 18) to screw and unscrew a pipe with an easy application and secure grip.
Date: April 27, 1920
Creator: Nixon, Jeddy D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Refrigerator

Description: Patent for improvements for vacuum refrigerators such that cold air circulation and heat exclusion are improved, including illustrations.
Date: June 27, 1922
Creator: Knutson, William K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary-Drill Head.

Description: Patent for a drill apparatus that improves the head gears and driving mechanisms that makes for an efficient driving of the apparatus and allows for free vertical movement.
Date: July 27, 1920
Creator: Johnston, Horace G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hay Rake

Description: Patent for "new and useful improvements in Hay-Rakes." (line 5-6). "Improved means for governing the dumping movements of the rake." (lines 11-12).
Date: December 27, 1921
Creator: Mottier, Walter F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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