640 Matching Results

Search Results

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.
Partner: UNT Libraries Government Documents Department

Improvement in Rotary Engines.

Description: Patent for improvements in rotary engines.
Date: June 5, 1866
Creator: Hughes, Robert
Partner: UNT Libraries Government Documents Department

Tractor.

Description: Patent for new and improved tractors on farms that are capable of pulling plows, cultivators, seed planters and other similar types of devices.
Date: October 5, 1920
Creator: Lindner, Hans
Partner: UNT Libraries Government Documents Department

Water-Elevator.

Description: Patent for a water elevator that is composed of a band with buckets attached that goes around the structure in a circle delivering water.
Date: September 5, 1911
Creator: Thompson, James W. & Hathaway, James F.
Partner: UNT Libraries Government Documents Department

Transmission Gear Shifting Device.

Description: Patent for a new transmission gear shifting device will "provide means for shifting the transmission parts of an automobile or other motor driven vehicle, without employing the usual hand levers and appliances, and to do so by means of electrically controlled operating mechanisms in combination with certain component parts." (Lines 12-18) including illustrations.
Date: January 5, 1915
Creator: De Witt, G.
Partner: UNT Libraries Government Documents Department

Washboard

Description: Patent for washboard that "is made for automatically moving, step by step, a cake of soap inclosed in a housing" (lines 9-11) against the cloths being washed and is "operated by the pressure exerted through the rubbing action upon a rubbing board associated with the device" (lines 22-24).
Date: December 5, 1916
Creator: Durden, Perrey Milton
Partner: UNT Libraries Government Documents Department

Whiffletree

Description: Patent for a whiffletree. This invention is "contemplated to construct doubletrees or swingletrees of peculiar form and provided with peculiar connecting parts to secure the same together" (line 13-16). Illustration included.
Date: February 5, 1907
Creator: Burton, Robert Redmon
Partner: UNT Libraries Government Documents Department

Vest and Drawers Holder

Description: Patent for a vest and drawers holder. Illustration included.
Date: April 5, 1904
Creator: Lustig, Albert
Partner: UNT Libraries Government Documents Department

Water Distilling Apparatus

Description: Patent for a water distilling apparatus. This invention is designed for condensing steam into distilled water. Additionally, the design is meant to separate empyreumatic gases from the water vapor during the distillation process. Illustration included.
Date: March 5, 1907
Creator: Lazenby, Robert S. & Lazenby, Henry C.
Partner: UNT Libraries Government Documents Department

Wash Boiler.

Description: Patent for a new and improved laundry boiler. This design consists in "a partition at its lower end slightly above the bottom formed with a screw-threaded neck at its center, a perforated tube fitting with its lower end upon the neck and having its upper end closed, and a number of perforated triangular tubes upon the side of the boiler provided with stoppers at their upper ends and extending from the partition in the lower end of the boiler, and a rack consisting of rings connected at their up… more
Date: October 5, 1886
Creator: Fountain, Henry Stephen
Partner: UNT Libraries Government Documents Department

Velocipede.

Description: Patent for a new and improved velocipede. This design "has relation to that class of velocipedes in which the rider is suspended within a large wheel impelled by a frictional contact between the inner periphery of the same and the driving wheel" (lines 8-12). With this design, "by the increased size of wheel, not only is speed gained, but the same may be propelled with greater ease over rough or smooth roads and with greater comfort to the rider, in that the jolt is less, and yet at the same ti… more
Date: August 5, 1890
Creator: Akers, William P.
Partner: UNT Libraries Government Documents Department

Water-Cooler.

Description: Patent for a simple, efficient, and inexpensive portable water cooler that refrigerates the water "by the action of the air and the evaporation of the liquid or vapor percolating the material" (lines 12-14). It does not use ice and can be used in rural areas.
Date: September 5, 1893
Creator: Hymans, Joseph
Partner: UNT Libraries Government Documents Department

Well-Bucket.

Description: Patent for a simple and efficient well-bucket that are used in bored, drilled, and dug wells. This invention will not get caught on things when it is being raised and lowered, can, by design, can withstand wear, and is meant to be automatically filled and emptied of its contents.
Date: November 5, 1895
Creator: Goodwin, Thomas J.
Partner: UNT Libraries Government Documents Department

Improvement in Hay and Cotton-Presses.

Description: Patent for improvements in presses for hay, cotton and similar substances, by making the machine portable and the box that holds hay or cotton is adjustable vertically and horizontally. Illustration is included.
Date: October 5, 1869
Creator: Berkeley, John
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a pump design that allows for the pump barrel to be securely locked in position in the well and easily released again when the parts need to be removed again.
Date: June 5, 1916
Creator: Ligon, Arthur Lee
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Choppers.

Description: Patent for "a device that will chop cotton mechanically" (line 10-11) and require less labor including instructions and illustrations.
Date: January 5, 1915
Creator: Crum, Martin A.
Partner: UNT Libraries Government Documents Department

Improvement in Clasps.

Description: Patent for improvement in clasps "especially adapted for garment supporting" (lines 9-10) including instructions and illustrations.
Date: January 5, 1915
Creator: Stafford, Beverly F.
Partner: UNT Libraries Government Documents Department

Mechanical Toy Hoop

Description: Patent for improved features for mechanical toy hoops, particularly for toys utilizing trundling hoops.
Date: September 5, 1916
Creator: Giesecke, Leo
Partner: UNT Libraries Government Documents Department

Propeller for Churns

Description: Patent for propellers for churns, including instructions and illustrations.
Date: October 5, 1897
Creator: Bolding, James P.
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Tie Buckles.

Description: Patent for an improved bale-tie buckle which will not slip or break under great strain.
Date: September 5, 1876
Creator: Bunker, Thaddeus
Partner: UNT Libraries Government Documents Department

Improvement in Combined Spading, Plowing, and Stalk-Cutting Machines.

Description: Patent for an earth working machine that can be used for spading, plowing and stalk-cutting by arranging “a series of spades in a plane parallel with the axis of the machine and interposed spades in planes at right angles thereto, all attached to a reciprocating cross-bar.” (P. 2, lines [29]-[33].) The spades are adjustable in height and, it can be removed to use as a cultivator. For stalk-cutting, the plows may be removed. Illustration is included.
Date: September 5, 1876
Creator: Mathes, William McConnell
Partner: UNT Libraries Government Documents Department

Improvement in Compound Tools.

Description: Improvement in Kitchen-Utensil for lifting pots, kettles, plates, and as a means for holding a device for mangling meats.
Date: December 5, 1876
Creator: Mayfield, Samuel B.
Partner: UNT Libraries Government Documents Department

Improvement in Chairs.

Description: Patent for improvement in chairs consisting of self-adjusting chair-backs.
Date: November 5, 1872
Creator: Haupt, William W.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen