UNT Libraries Government Documents Department - 204 Matching Results

Search Results

Results: 1 - 24 next

Automobile-Signal

Description: Patent for a device to indicate the intention to make a turn in an automobile, with improvements made for nighttime usage, including illustrations.
Date: October 22, 1918
Creator: Illingworth, Sam

Ratchet Die-Stock

Description: Patent for improvement on the usage of die-stocks which are used to cut and thread metal objects such as pipes.
Date: July 22, 1919
Creator: Hestand, Rue S.

Automobile-Alarm.

Description: Patent for a device to prevent the theft of automobiles capable of producing audio and visual signals as warnings of unauthorized access.
Date: April 22, 1919
Creator: Smith, Thomas H.

Automatic Railway Switch.

Description: Patent for providing the means for a switch to be actuated which will allow trains to enter or exit a siding of the track.
Date: January 22, 1918
Creator: Gullion, Robert, A.

Combined Hoe and Planter

Description: Patent for improving on the design of devices that combine a hoe and a planter for the purpose of properly placing a seed at the cutting edge of the hoe.
Date: October 22, 1918
Creator: Combs, Asa Z.

Cotton-Sack Hanger.

Description: Patent for a hanger designed to easily attach and detach from a cotton sack without damaging the sack or the hands of a cotton picker. It is designed to be made of a single piece of material and may be used to hang the sack on a scale for weighing the contents.
Date: July 22, 1919
Creator: Hamrick, Walter

Collar-Form

Description: Patent for a device that will hold soft shirt collars in position, giving them a neater appearance.
Date: July 22, 1919
Creator: White, William D.

Bearing for Crank-Shafts.

Description: Patent for an improvement for Bearings for Cranks Shafts. This invention provides a means for "tightening the bushings of the bearings easily and quickly when necessary" (lines 9-13).
Date: October 22, 1918
Creator: Blumberg, Hamilton G.

Automatic Separating Device.

Description: Patent for an automatic separating device. This device operates with a link that connects the float level at the top of the tank with a valve handle at the bottom of the tank to control discharge from the tank.
Date: January 22, 1918
Creator: Allen, Charles

Tubeless Tire and Rim and Lock Therefor

Description: Patent for "an improved tubeless pneumatic tire casing, and an improved rim and locking means therefore, where by to effectively draw the edges together to render the same air tight" (lines 11-15). Also, this patent provides a improved "tubeless tire casing" where adding air pressure makes the joint air tight.
Date: October 22, 1918
Creator: Cumpston, Frederick B.

Jack.

Description: Patent for improvements in jacks used for shipbuilding. The device described is designed to aid in the processes of fastening siding to the ribs of a ship hull by first forcing the boards that form the siding close together so that they can then be secured to the hull's ribs. The improvements this jack provides is the necessary force required to closely align the boards easily and quickly before they are nailed in place. This mechanical device is lightweight, efficient and easy to repair. It ca… more
Date: July 22, 1919
Creator: Singleton, James D.

Loading-Machine

Description: Patent for a new and improved cantilevered arm to load hay and other materials onto wagons and other vehicles.
Date: October 22, 1918
Creator: Senior, Oliver

Tractor

Description: Patent for a tractor "of the caterpillar type, having a caterpillar on each side, said caterpillars being independently driven either forwardly or reversely" (lines 11-14).
Date: July 22, 1919
Creator: Fisher, Guy B.

Process of Leaching Copper Ores

Description: Patent for "a method of recovering copper by the electrolysis of copper solutions of any suitable kind, obtained by the lixiviation of the ore" (lines 9-12). The improvement in this method is that almost all the sulfuric acid and other leaching agents are used up prior to the copper going to the electrolysis tanks which increases the amount of copper recovered and the reduction of accumulated biproducts.
Date: October 22, 1918
Creator: Hahn, Albert W.

Military or Other Insignia

Description: Patent for improved military or other insignia pin. It is an attempt to improve the pin design with stronger materials and different construction methods.
Date: October 22, 1918
Creator: Semans, Clare L & Heiligman, Edward C.

Submarine Telescope.

Description: Patent for submarine telescope using a pair of longitudinal tubes, mounted lens, rigid rods, electric light bulb, and chains for securing to the boat. Intended as useful improvements to submarine telescopes with the objection to assist in locating submerged objects. Accompanied with illustrations.
Date: April 22, 1919
Creator: Armstrong, William S.

Pressed-Metal Wheel

Description: Patent for an improved pressed-metal wheel by inventor Oliver G. Simmons.
Date: October 22, 1918
Creator: Simmons, Oliver G.

Elevated Carrier

Description: Patent for an elevated carrier, primarily used to travel merchandise and such from one point to another.
Date: July 22, 1919
Creator: Smiley, John F.

Drill.

Description: Patent for a drill that provides an improvement to connecting the drill bit to the shank so they do not become detached or break.
Date: May 22, 1919
Creator: Weathersby, Fred Richard

Power-Transmitting Device.

Description: Patent for new and useful improvements in Power-Transmitting Devices. "its object being to provide a device by means of which power taken from any suitable source may be economically transmitted and multiplied, for the purpose of driving machinery or other purposes."(lines 10-15)
Date: January 22, 1918
Creator: Montgomery, Edward F. & Burnham, Reuben B.

Railroad Cattle-guard.

Description: Patent for an improved cattle-guard to keep livestock from crossing onto a railroad track or into railway property. This protects livestock and decreases railroad liability for loos of property. The invention includes a pivotal gate which runs parallel to the track that will go across the track to block animals if they try to cross the opening.
Date: January 22, 1918
Creator: Gidcumb, John T.

Fluid- Dispensing Control

Description: Patent for the improvement of fluid dispensing controls. The invention provides a more efficient way to discharge fluid from a storage container by using compressed air, and valve arrangement.
Date: April 22, 1919
Creator: Catron, John J

Foldable Stool

Description: Patent for a foldable stool "primarily designed for the purpose of attachment to a sewing machine, and which may be collapsed into a compact form and swung into position underneath the top of the machine and out of the way, when not in use" (lines 12-17). It is intended to be used with a desk, table, or other similar furniture.
Date: July 22, 1919
Creator: Hagner, Frederick Hayes
Back to Top of Screen