UNT Libraries Government Documents Department - 144 Matching Results

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Improvement in Dumping-Cars.

Description: Patent for improvements to Dumping-Cars used for loading locomotives with wood or coal, including illustrations.
Date: May 6, 1879
Creator: Johnson, Stephen.

Improvement in Fences.

Description: Patent for improvement in fences using wire rails, including illustrations.
Date: May 6, 1879
Creator: Temby, Joseph W.

Improvement in Piano-Forte Actions.

Description: Patent for a new piano forte design which "consists in certain novel details of construction, arrangement, and combination of the key-lever and its fulcrum and rest, a receiving-lever, a transmitting-eccentric, a secondary hammer, a principal hammer and its rest, and a damper-action and its connections, whereby greater simplicity and efficiency are obtained" (lines 10-17) including illustrations.
Date: May 27, 1879
Creator: Roedern, George O. V.

Improvement in Middlings-Purifiers.

Description: Patent for a "machine for purifying the middlings in the process of making flour that will free them more completely from impurities that has heretofore been done, and to construct the parts of the machine so that air-blasts will be completely under control" (lines 8-13) including illustrations.
Date: June 3, 1879
Creator: White, Henry

Improvement in Insect-Exterminators.

Description: Patent for an improved insect exterminator design with modifications especially suitable for cotton fields, includes illustrations.
Date: June 10, 1879
Creator: Walker, John Z.

Improvement in Spring-Hinges.

Description: Patent for a new spring hinge design which will "either open or close the door or gate after it has passed an angle of forty-five degrees" (lines 20-22) including illustrations.
Date: June 24, 1879
Creator: Barry, William G.

Improvement in Machines for Cutting Shingles.

Description: Patent relating to "that class of shingle-machines which form the shingles by means of a knife working sidewise with the grain" (lines 10-13). Includes instructions and illustrations.
Date: July 8, 1879
Creator: Davis, Henry T.

Improvement in Force-Pumps.

Description: Patent relating to "that class of force-pumps which are to be submerged and are double-acting" (lines 17-19). Includes instructions and illustration.
Date: July 8, 1879
Creator: Finney, James J.

Improvement in Spark-Arresters.

Description: Patent for improved construction of spark-arresters, "so that they will be more efficient, and yet simple in construction and not liable to get out of repair; and the invention consists of a metallic circular cone, with winding or arched flanges or wings, which extend toward the side of the shall, and they are covered by a plate, to the upper side of which a perforated cylinder is attached, so that all the sparks are arrested and thoroughly extinguished, while the smoke can pass out through the… more
Date: July 15, 1879
Creator: Lochner, Casper F.

Improvement in Odometers.

Description: Patent for an improvement to odometers used for measuring distance traveled in motor vehicles.
Date: July 15, 1879
Creator: Richardson, John D.

Improvement in Running-Gears for Wagons.

Description: Patent for an improvement to running-gears for wagons, including "improved means for connecting the front axle and reach of a wagon or other vehicle" (lines 6-8) and illustrations.
Date: July 15, 1879
Creator: Fowler, Joseph C.

Improvement In Rotary Valve And Seat.

Description: Patent for an improvement in the construction of a rotary valve and seat. Specifications for the new construction and illustrations are included.
Date: August 5, 1879
Creator: Watkins, Edward L.

Improvement In Machines For Filing Saws.

Description: Patent for improvements in the construction of machines for filing saws. Description of the construction and illustrations are attached.
Date: August 19, 1879
Creator: Basom, Ransford W.

Improvement In Locks

Description: Patent for an improvement for slide door fasteners and locks. Description and illustrations are attached.
Date: August 19, 1879
Creator: Garlock, William H.

Improvement in Iron Saddle-Tree Forks

Description: Patent for an improvement in iron saddle-tree forks that are cheaper to construct as well as light and durable. Includes illustration and description.
Date: August 26, 1879
Creator: Wood, John McLane & Bellah, William Newton

Improvement in Bale-Ties.

Description: Patent for a new and improved bale-tie design with different buckle and band. It includes illustrations.
Date: January 14, 1879
Creator: Johnson, Jordan

Improvement in Cotton and Hay Presses.

Description: Patent for improvements in baling-presses. It consists of movable followers and a sliding drum that has a ratchet secured to a clutch and a shaft. It includes illustrations.
Date: January 21, 1879
Creator: Smithson, Richard T.

Improvement in Plows

Description: Patent for a plow for use in heavy or wet lands, including illustrations.
Date: February 11, 1879
Creator: Woodward, Lewis E.

Manifold-Writing Tablet.

Description: Patent for writing platform which allows for the creation of carbon copies.
Date: April 1, 1879
Creator: Morris, Robert, C.
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