UNT Libraries Government Documents Department - 2,634 Matching Results

Search Results

prev Results: 1251 - 1274 next

Dilator.

Description: Patent for a dilator meant to enlarge the urethral and other canals of the human body. It is meant of "elastic material and capable of distention, or dilation, under the pressure of air, water, or other fluid introduced and to combine with said dilator means whereby its uniform enlargement under internal pressure shall take place without increase of length, thereby avoiding the objection common to all, rubber and similar structures heretofore, that interior pressure produced elongation at the e… more
Date: April 23, 1895
Creator: Parker, Elisha J.
Item Type: Refine your search to only Patent

Disappearing Coffin Panel

Description: Patent for improvements to disappearing coffin panels. This invention allows coffin interiors to be inspected without taking the coffin lid off. These disappearing coffin lids will not change the ornamental appearance of the coffin lid.
Date: June 9, 1914
Creator: Fisher, Alfred
Item Type: Refine your search to only Patent

Dish-Cleaner.

Description: Patent for a dish-cleaner that improves on previous patents for washing machines granted to the inventor (No. 377,765 and No. 427,601). The dish cleaner is especially adapted for use on plates, cups, dishes, and similar things, without an operator working to clean dishes.
Date: March 6, 1894
Creator: McCausland, William I.
Item Type: Refine your search to only Patent

Dish-Washing Machine.

Description: Patent for an improved dish-washing machine with removable platforms to hold the dishes to be cleaned and water spraying from both top and bottom of the device, including illustrations.
Date: November 13, 1917
Creator: Crow, Jesse J.
Item Type: Refine your search to only Patent

Disinfecting Apparatus

Description: Patent for an improved bottle for the purposes of carefully applying disinfecting fluid. The patent describes and illustrates a bottle that can be sold as-is, with an apparatus that releases the liquid drop by drop to prevent waste.
Date: June 9, 1914
Creator: Peck, Walter H. & Alford, L. B.
Item Type: Refine your search to only Patent

Disinfecting Device.

Description: Patent for improvements made in the design of disinfecting devices in order to create "a simple and inexpensive apparatus ... effective in evaporating and distributing disinfectants, liquid perfumes or other fluids" (lines 10-13), including illustrations and a description. The device is designed to "discharge a regular supply" (line 14) of fluids, be of "strong, durable, simple" (lines 25-26) construction, and make visible the amount of disinfectant remaining in the device.
Date: June 3, 1913
Creator: Hitchcock, Olga M.
Item Type: Refine your search to only Patent

Distributer or Conveyer Belt.

Description: Patent for belt related "to distributer or conveyer belts and more particularly to that type of belt used in gin-distributers. The object of the invention is to provide a belt of this character which is strong and simple of construction, extremely durable in use, and in which the spikes or fingers will be securely fastened to maintain their proper relation and to prevent their being pulled out" (lines 12-21)
Date: October 28, 1902
Creator: Tinsley, James F.
Item Type: Refine your search to only Patent

Doffer.

Description: Patent for a doffer for removing cotton lint from gin saw blades, which does not harm the saws and is very sturdy.
Date: May 25, 1909
Creator: Vardell, Arthur A.
Item Type: Refine your search to only Patent

Doll Novelty.

Description: Patent for a new device, which is a rounded, weighted base placed in a doll that allows the doll to raise itself when turned over on any side without external assistance by lowering the doll's center of gravity. Descriptions of materials used and illustrations are included..
Date: November 4, 1902
Creator: Flint, William G.
Item Type: Refine your search to only Patent

Door Check.

Description: Patent for a new and improved door check. This design "consists in a sliding spring-bolt held in the upper edge of the door, combined with a curved notched frame, projecting from the door-frame, into the notches of which frame the end of the bolt can pass to hold the door in the desired potion. The sliding bolt is connected . . . [to] a crank-arm formed on one end of a spindle, provided on the opposite end with a handle-knob, the crank arm of which spindle can be adjusted to lock the spring-bol… more
Date: June 26, 1883
Creator: McCurdy, Thomas B.
Item Type: Refine your search to only Patent

Doubletree.

Description: Patent for a simple, inexpensive, and durable double tree that utilizes the entire force of the strain and divides it equally between the animals.
Date: December 11, 1894
Creator: Beaver, Francis Marion
Item Type: Refine your search to only Patent

Draft-Equalizer.

Description: Patent for Draft Equalizer. Patent states this invention "relates to the new and useful improvements in draft-equalizers" (lines 10-11). Includes instructions and illustrations.
Date: October 7, 1919
Creator: Dudley, Thomas J. & Bryant, Marvin H.
Item Type: Refine your search to only Patent
Back to Top of Screen