UNT Libraries Government Documents Department - 559 Matching Results

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Air-Compressor.

Description: Patent for a more efficient air compressor with high and low pressure chambers formed of mating sections that can be detached to make repairs to the piston as necessary.
Date: April 1, 1913
Creator: Murphy, Edward
Item Type: Refine your search to only Patent

Andiron.

Description: Patent for improvement of andirons, to accommodate fuel or sticks of wood and to burn either wood or coal fuel. Includes illustrations.
Date: December 1, 1891
Creator: Kimbro, Jeremiah H. & Kimbro, John A.
Item Type: Refine your search to only Patent

Animal-Poke.

Description: Patent for improvements in animal-poke by providing a device which is arranged for convenient application to an animal, so as not to interfere with the grazing and drinking thereof, and will effectually prevent the animal from destroying fences and also from pushing and fighting other stock. (Lines 9-15) Illustration is included.
Date: July 1, 1902
Creator: Barnes, John I.
Item Type: Refine your search to only Patent

Ant Trap

Description: Patent for an ant trap designed as a ring-shaped trough and which allows for the drainage of rainwater through a pipe fitted with a porous plug. Both walls of the trough are capped with inward and downward curved flanges.
Date: August 1, 1922
Creator: Scrivner, Jefferson Davis
Item Type: Refine your search to only Patent

Attachment for Thimbles.

Description: Patent for invention for the improvement of attachments for thimbles. "The objects of the invention are to produce a device of simple construction for cutting the thread when sewing that can be readily applied to old as well as to new thimbles; also to produce the device in such manner that the thread can be quickly and conveniently cut at any desired point in an expeditious manner " (lines 17-24). Includes specifications and illustrations.
Date: May 1, 1900
Creator: Brown, Archie Edwards
Item Type: Refine your search to only Patent

Attachment for Windmills.

Description: Patent for improvement in attachments for windmills to “convert rotary motion of the wheel shaft into reciprocating motion for actuating the pitman of the sucker rod.” (Lines 12-14) Illustration is included.
Date: July 1, 1913
Creator: Burleson, Lemual R.
Item Type: Refine your search to only Patent

Auto Steering-Lock

Description: Patent for a lock designed to attach to the spokes of a steering wheel with the intention of guarding it from "unauthorized persons" (line 20), including illustrations.
Date: June 1, 1920
Creator: Cosby, Luther F.
Item Type: Refine your search to only Patent

Automatic Automobile-Top.

Description: Patent for an improvement on automatic automobile-tops. The primary objective is that when in inoperative positions, the actuated drum neatly appears as a weather proof roll. Another objective is to provide side curtains so that the vehicle may be closed on all sides.
Date: October 1, 1918
Creator: Montroy, Phiip A.
Item Type: Refine your search to only Patent

Automatic Drop-Lid for Bins or Boxes.

Description: Patent for "boxes or bins for store counters and shelves; and it has for its object to provide certain improvements in the lid devices for boxes or bins, so as to avoid the many objections to hinged lids, which interfere with free access to the interior of the box or bin when the same is used under the counter or on shelves" (lines 8-15).
Date: August 1, 1893
Creator: Dailey, Basil
Item Type: Refine your search to only Patent
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