UNT Libraries Government Documents Department - 523 Matching Results

Search Results

Results: 1 - 24 next

Improvement in Seeding-Machines.

Description: Patent for the improvement of the seed-box so the seeds are properly distributed into the soil while preventing the seed from clogging the machine, including illustration.
Date: August 24, 1858
Creator: Keiper, D. B. & Fox, A. C.

Improvement in Ox-Bows.

Description: Patent for improvements to ox-bows so that they "shall not require bending, and which may be made in parts of the country where timber suitable for bending is scarce" (lines 9-12).
Date: May 24, 1870
Creator: Moore, Alfred L. D.

Improvement in Pen-Holders.

Description: Patent for new improvements on the design of the pen-holder, including illustrations.
Date: January 24, 1871
Creator: George, Alfred M.

Improvement in Hair-Triggers.

Description: Patent for improvement in fire-arms by arranging a hair-trigger on to a fire-arm that have a guard and a trigger without alternation of the interior mechanism of the gun-lock; it is not necessary for the application of a fly in the hammer to prevent the catching of the trigger in the rest-notch of the hammer. (Lines 11-19) Illustration is included.
Date: August 24, 1869
Creator: Schenck, F.

Improvements in Running Gears for Wagons.

Description: Patent for improvement in running gears for wagons. Improvement for class of vehicles in which the axles revolve with the wheels.
Date: June 24, 1873
Creator: Meddows, Issac Orson

Improvement in Valve-Gear for Steam-Engines.

Description: Patent for "an improvement in steam-engines which shall be so constructed as to give a full application of the steam and a free exhaust at regular intervals, which will enable the engine to be easily reversed, can be easily attached to any engine, which will enable an engine to be worked by water-pressure, will run smoothly and with very little friction, and will be very durable." (Lines 11-19) Includes instructions and illustrations.
Date: July 24, 1877
Creator: Davis, James H. & White, William

Improvement in Ventilators and Protectors for Roofs.

Description: Patent for improvements in ventilators and protectors for roofs relating to "a ventilating combing or ridging for roofs of houses" (lines-15-16) including illustrations and instructions.
Date: October 24, 1876
Creator: Brock, Ernst Moritz

Improvement in Ironing Apparatus.

Description: Patent for "a machine for ironing clothing by means of a revolving heated roller, under which is passed a reciprocating table, on which the clothing is placed." (Lines 7-11) Includes instructions and illustrations.
Date: October 24, 1876
Creator: Bailey, Charles F. & Perrenot, George F.

Improvement in Picket-Fences.

Description: Patent for a new design for a picket fence which is simple in construction and inexpensive in manufacture.
Date: December 24, 1872
Creator: Willhite, Joseph

Improvement in Dish-Washing Machines.

Description: Patent for a dish washer that allows dishes to be placed on shelves and rotated through a column of water. The machine can also be modified for washing clothing. It includes illustrations.
Date: February 24, 1874
Creator: Starr, Henry Daniel

Improvement in Scaffold-Clamps.

Description: Patent for a reusable scaffold clamp for assembling builders' scaffolds, eliminating the need for nails or bolts.
Date: April 24, 1874
Creator: Crockett, John R.

Improvement in Gin-Saw-Filing Machines.

Description: Patent for a "gin-saw-filing machine consisting, essentially, of a rotary and intermittingly movable file, of an intermittingly-operated feed and check device, and of adjustable reciprocating sharpening-files".
Date: July 24, 1877
Creator: Eastham, Albert S.

Improvement in Churns.

Description: Patent for improving a butter church mechanism.
Date: September 24, 1872
Creator: Messick, William P. & Messick, Harvey T.

Improvement in Guards for Wire Bale-Ties.

Description: Patent for improving the method of tying the bales together whether it be cotton or hay so that the material will not get cut into by the wiring.
Date: February 24, 1874
Creator: Davis, Waters S.

Improvement in Cotton-Presses.

Description: Patent for "an improved cotton-press, which is mainly devised for use on smaller cotton-plantations for baling smaller crops in a very convenient and rapid manner, with considerable economy in power and hands." (Lines 16-20) Includes instructions and illustrations.
Date: November 24, 1874
Creator: Koehl, William

Improvement in Presses.

Description: Patent for a new press design, including illustrations.
Date: September 24, 1872
Creator: Lasswell, Allen

Improvement in Car-couplings

Description: Patent for "an automatic car-coupling, that may also be readily coupled with the common pin-and-link and other couplings, and be adjusted without going between the cars, so as to avoid all danger" (lines 14-18).
Date: August 24, 1875
Creator: Harper, Peter

Improvement in Car Brakes and Starters

Description: Patent for improvements in rail road-car breaks, starters, and checkers. "The nature of the invention consists in certain constructions, combinations, and arrangements of parts" (lines 19-21).
Date: April 24, 1877
Creator: Marean, William
Back to Top of Screen