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Saw-Filing Machine

Description: Patent for a Saw-Filing Machine. "This invention relates to saw-filing machines; and the object of the invention is to provide a simple and effective device of this character which is adapted to sharpen with accuracy and rapidity the teeth of different kinds of saws." (lines 8-13) including illustrations.
Date: August 25, 1903
Creator: Smith, John D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary Cotton-Chopper

Description: Patent for "new and useful improvements in rotary cotton-choppers" (lines 4-5) that are of "the class of cotton-choppers which travel across the rows, and also to the class which use a revolving drum having blades or hoes spirally arranged on its periphery" (lines 13-17), including descriptions and illustrations.
Date: June 8, 1880
Creator: Lee, John C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a wrench that allows adjustment to two locked positions with a slot and stud mechanism.
Date: May 22, 1917
Creator: Bledsoe, Yancy M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Land Grader and Ditcher

Description: Patent for a land grader and ditcher that is durable and easy to use to ditch a large area and the scraping blade can be easily removed for cleaning, repairs or other reasons.
Date: September 19, 1905
Creator: Reed, Allen T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Three-Horse Equalizers.

Description: Patent for improvement in treble-trees by using “two stretcher-loops that are jointed on the double-tree at points on each side of the centre, so that the strain is not at one point, but somewhat distributed.” (Lines 42-44) “The loops can be adjusted so that should there be any material inequality in the strength of the three horses, one can equalized by arranging the loops accordingly nearer to or further away from the centre on either one or both sides.” (Lines 45-49) Illustration is includ… more
Date: August 31, 1869
Creator: Sims, Zachariah B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Machines for Washing Photographs

Description: Patent for "a new and improved apparatus for washing photographic prints after fixing, for the purpose of removing the double hyposulphite of soda and silver formed in the body of the paper during the process of fixing" (lines 6-11).
Date: August 17, 1875
Creator: Caylor, J. L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mechanical Movement.

Description: Patent for a mechanical movement for ratchet feeding mechanisms " in which movement is imparted from a rocking lever to a ratchet wheel through the medium of a plurality of pawls that are so connected to the lever as to operate on the ratchet wheel during movement of the levers in both directions"(lines 10-16).
Date: March 16, 1909
Creator: Oswald, William S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Washing Apparatus.

Description: Patent for a "new and useful Washing Apparatus" (lines 6-7) that decreases the cost and increases the efficiency of current washing machines by automatically circulating hot water and steam through the clothes.
Date: December 1, 1903
Creator: Huffman, Wiliam Anthony & Huffman, Oscar Moses
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spring-Scale.

Description: Patent for improvements in spring-scales by providing novel means for measuring and indicating the quality of liquid left in or drawn from a container. (Lines 9-10) Illustration is included.
Date: April 22, 1902
Creator: Smith, John D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wind-Motor.

Description: Patent for wind motors that has new and useful improvements," is simple and durable in its constructions, very effective and powerful in operation, transmits the force of a series of wind-wheels to a common shaft for driving pumps or other machines" (lines 11-16).
Date: December 16, 1902
Creator: Cochran, James M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Telephone-Transmitter.

Description: Patent for a granulated-electrode phone transmitter that is designed to be simple and "constructed so that the granulated-electrode cannot become displaced from the cell" (lines 10-12).
Date: May 11, 1897
Creator: Alexander, Horace C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw Gage and Filing Clamp

Description: Patent for a combined saw gage and clamp which can be "applied to a saw blade to gage the depth of the cut as well as reversed and used as a clamp for the saw blade in setting the teeth" (lines 16-18).
Date: April 1, 1913
Creator: Curby, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fluid-Dispensing Apparatus.

Description: Patent for improvements to a fluid-dispensing apparatus for fluids such as oil. Safety features relieve air pressure through a valve and a pressure tank.
Date: July 21, 1914
Creator: Catron, John James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Extension-Ladder.

Description: Patent for improvements in extension ladder by using two sliding ladder sections, "these two sections can be secured by a windlass and a hook detachably bolted to the upper rung of the upper section." (Lines 38-40, p.3) Illustration is included.
Date: November 3, 1891
Creator: Crews, Dayton H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rail-Joint.

Description: Patent for improvements in rail-joint fastenings by providing “curved fish-plates with bearing-surfaces adapted to receive rubber washers, and the bolt has a slot through which the tapered split key is passed and the thin portion thereof turned up against the bolt to prevent displacement.” (Lines 20-25) Thus it will “securely retain in position, easily removed when desired, and [will] prevent rattling sounds as the cars pass over the rails.” (Lines 16-19) Illustration is included.
Date: October 13, 1891
Creator: Wiley, John Martin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Adjustable Window-Shade Hanger.

Description: Patent for a window-shade hanger that can be "adjusted to fit windows of various widths and shaderollers which vary in length and which may be readily put up and taken down." (lines 18-21) including illustration.
Date: August 29, 1905
Creator: Neale, Albert S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bagging-Cutter

Description: Patent for a Bagging-Cutter in order to cut lengths of bagging in an efficient manner. An innovation this provides is in shaping the bags into a roll or rope-shape before being cut, which negates the use of a knife to cut a longer width. This improves ease of handling roles of bagging and requires a shorter fixed-place knife.
Date: August 9, 1921
Creator: Lively, Louis P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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