UNT Libraries Government Documents Department - 146,831 Matching Results

Search Results

prev Results: 49 - 72 next

Improvement In Corn And Cotton-Seed Planters.

Description: This patent is an upgraded corn and seed planter machine that plants corn, cotton, and other types of seeds for mass production. The machine is aligned with the surface of the ground. It does not converse with the plows that are attached to it, freeing up the machine to release seeds proficiently with ease.
Date: April 9, 1878
Creator: Adams, Benjamin F.
Item Type: Refine your search to only Patent

Snap-Hook

Description: Patent for a snap hook in order to "provide a hook of simple construction that shall be securely locked when in use" (p. 2)
Date: December 30, 1890
Creator: Adams, Don B.
Item Type: Refine your search to only Patent

Electric Signal System for Electric Cars

Description: Patent for signal systems for electric railways where wires arranged in connection with the signal lamps at the ends of the blocks and on the cars will be lit to signal caution. There will also be a signal within the car if another moving car in the opposite direction enters the same block.
Date: December 26, 1905
Creator: Adams, Edwin J.
Item Type: Refine your search to only Patent

Railway Signaling Mechanism

Description: Patent for a railway signaling mechanism. This invention "relates to certain new and useful improvements in electric railway and block signaling in which means are provided for indicating in the engine cab to the engineer the condition of the road ahead" (lines 9-13). Illustrations included.
Date: January 15, 1907
Creator: Adams, Edwin Johnson
Item Type: Refine your search to only Patent

Boring-Tool.

Description: Patent for "a boring tool for boring scarred and worn engine cylinders" (lines 14-15) that allows for more customization when cutting.
Date: January 4, 1921
Creator: Adams, George Reese.
Item Type: Refine your search to only Patent

Reproducing Device for Graphophones.

Description: Patent for a reproducing device for graphophones improving the objects that transmit sound to the horn or like element and provide a new means to mount the tone arm. It further improves the means for mounting the needle on the device.
Date: April 22, 1919
Creator: Adams, Henry Rolland
Item Type: Refine your search to only Patent

Surveying Instrument.

Description: Patent for new and improved surveying instrument for use "in calculating the distance between the point of 'setting up' and the target, without the use of the usual linear chain" (lines 12-15). Illustration and instruction included.
Date: March 7, 1916
Creator: Adams, J. S.
Item Type: Refine your search to only Patent

Rotary-Engine.

Description: Patent for a new and improved rotary engine. This design consists "of a wheel provided with radially-sliding pistons and revolving within a fixed circumferential steam-chest, and having fixed on its axle an eccentric and spring, that operate to throw the pistons or floats outward to receive the pressure of the steam or other motor that is to drive the engine" (lines 19-26).
Date: January 20, 1880
Creator: Adams, James Ansley
Item Type: Refine your search to only Patent

Saddle.

Description: Patent for a new and improved saddle. This design "consists in a rubber or other elastic seat having a thick central portion with tapering thin edges and a leather covering for the same" (lines 9-11).
Date: November 4, 1884
Creator: Adams, James E. & Shero, Philip
Item Type: Refine your search to only Patent

Cotton-Chopper.

Description: Patent for a content chopping device with an adjustable lever and cutters. The cotton chopper can be attached to different cultivator frames (farm equipment) and adjusted to chop or thin out different rows of cotton stalks (or other plants).
Date: March 23, 1915
Creator: Adams, Joe B. & Miller, Lawrence M.
Item Type: Refine your search to only Patent

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

Oil-Converting Apparatus.

Description: Patent for an apparatus that can be built at moderate cost, which will enable a high rate of commercially efficient work to reduce "the specific gravity of various grades of hyrdo-carbon oils, especially those of a semi-refined character" (lines 22 - 24).
Date: October 28, 1919
Creator: Adams, Joseph H.
Item Type: Refine your search to only Patent
Back to Top of Screen