UNT Libraries Government Documents Department - 51 Matching Results

Search Results

Results: 1 - 24 next

Air Compressor for Deep Well Pumps.

Description: Patent for a new and improved air-compressor. This design "relates to improvements in air-compressing mechanism for the purpose of pumping for forcing from deep wells and performing similar work; and it consists in the construction and arrangement of a larger and smaller air-cylinder, and the combination therewith of mechanism to force the air from the larger into the smaller cylinder to increase the air-pressure in the latter" (lines 22-30).
Date: August 2, 1887
Creator: Adams, John R.
Item Type: Refine your search to only Patent

Arc-Lamp Headlight

Description: Patent for an electric arc headlight for trains, cars, or boats which produces a steady light and lasts long enough to allow travel over long distances.
Date: February 2, 1909
Creator: Lacy, Benjamin B.
Item Type: Refine your search to only Patent

Axle Box for Locomotives.

Description: Patent for a new and improved axle-box for locomotives. This design consists in "[t]he combination, with a pedestal, of an axle-box mounted to slide vertically in the said pedestal, a second axle-box mounted with one side in a bearing in the said pedestal, and a connecting-rod secured to the last-named axle-box and pivotally connected with the first-named axle-box" (lines 67-73).
Date: April 2, 1889
Creator: Chase, Ransford T.
Item Type: Refine your search to only Patent

Bale-Forming Press.

Description: Patent for a new and improved hay bale forming press that compresses hay or other similar material into a bale and secures it with wire or chords that are tied around the bale, including illustrations.
Date: November 2, 1915
Creator: Dudley, Andrew T.
Item Type: Refine your search to only Patent

Bottle-Closure

Description: Patent for closure of bottles used for liquors and medicines which will prevent an attempt to refill the bottle after its contents have been removed. Therefore, preventing the reuse of the bottle for fraudulent purposes.
Date: January 2, 1906
Creator: Herrington, Jacob
Item Type: Refine your search to only Patent

Car Truck

Description: Patent for car truck. "This invention relates to car trucks, and one of the principal objects of the same is to provide an arrangement of equalizers which will reduce the lateral swinging motion of the car when passing around curves" (line 8-12). Illustration included.
Date: June 2, 1908
Creator: Haver, Edward H.
Item Type: Refine your search to only Patent

Centrifugal Pump

Description: Patent for a centrifugal pump. This invention "relates to centrifugal pumps in which a rotary impeller, having a fluid-entrance at the eye, discharges into a surrounding discharge chamber" (lines 8-11). Illustrations included.
Date: October 2, 1906
Creator: Bettis, William Irvin & Hamilton, Hugh
Item Type: Refine your search to only Patent

Fence-Post

Description: Patent for a plastic fence post for use with wire fences that has pre-made openings for the wires to go into to and attach to the fence post.
Date: July 2, 1907
Creator: Crum, William H.
Item Type: Refine your search to only Patent

Funnel for Forcing Molasses, &c.

Description: Patent for a new and improved funnel. This design "relates to improvements in funnels for transferring molasses and other thick liquid and substances from one receptacle into bottles, jars, and other vessels; and the objects of [the] improvements are to provide a funnel with means for securing it to a table, counter, &c.; to provide said funnel with means for forcing a liquid therethrough and the forcing apparatus with a detachable spout thereunder" (lines 10-19).
Date: February 2, 1886
Creator: Henke, Henry
Item Type: Refine your search to only Patent

Garment-Protector.

Description: Patent for an easily detachable garment protector "for use with trousers and overalls to protect them from wear and from becoming soiled while in use" (lines 10-13) including illustration.
Date: July 2, 1918
Creator: Spencer, William Levi
Item Type: Refine your search to only Patent

Hammock.

Description: Patent for a new and improved hammock. This design "is to provide a . . . hammock which is simple and durable in construction, very comfortable, and yielding to the motion of the body, at the same time avoiding the catching of buttons on the dress, as is frequently the case with hammocks having meshes. The invention consists of a number of slats, each provided at its ends with a transverse aperture, through which passes a cord or wire for holding the slats together to form the hammock" (lines 7… more
Date: October 2, 1888
Creator: Norris, Barry A.
Item Type: Refine your search to only Patent

Hoisting Drum

Description: Patent for improvements to hoisting drums for use in drilling oil, gas, and water wells, with the object being "to employ a plurality of hoisting drums upon the same shaft so that the cable may be wound partly on one drum and partly on another" (lines 73-76) such that the danger of cable cutting is decreased and the speed of operation is increased, including illustrations.
Date: May 2, 1922
Creator: Suman, John R. & Gamble, Adrian R.
Item Type: Refine your search to only Patent

Lock

Description: Patent for a lock. This lock is designed for a coin fed lock that releases the key for the customer. Illustration included.
Date: June 2, 1908
Creator: Johnson, Randall
Item Type: Refine your search to only Patent
Back to Top of Screen