560 Matching Results

Search Results

prev Results: 73 - 96 next

Improvement in Piano-Forte Actions.

Description: Patent for a new piano-forte action made of sheet-metal, including illustrations.
Date: April 1, 1879
Creator: Roedern, George O. V.
Partner: UNT Libraries Government Documents Department

Improvement in Devices for Securing Buckles, &c., to Straps.

Description: Patent relating to "an improved device for securing buckles, rings, and similar articles to straps" (lines 8-10) including instructions and illustration.
Date: July 1, 1879
Creator: Barrow, Benjamin F.
Partner: UNT Libraries Government Documents Department

Trap.

Description: Patent for animal trap especially designed for trapping rats, mice, minks and other small animals. This animal trap has a pair of pivoted doors arranged on the opposite sides of a baiting standard, which is also vertically adjustable. The purpose of this trap is to drown the animals that have become entrapped.
Date: February 1, 1921
Creator: Wigington, William L.
Partner: UNT Libraries Government Documents Department

Tractor

Description: Patent for improvements to tractors which are designed with the driver's seat positioned on the trailing unit. The improvements allow for tools to be attached in such a way cultivating may be done near fences and other common obstructions.
Date: July 1, 1918
Creator: Chenoweth, William B.
Partner: UNT Libraries Government Documents Department

Wheel-Tread

Description: Patent for improved wheel treads specifically for assisting motorists trapped in mud, sand, or the like.
Date: July 1, 1919
Creator: Wheat, Levi M.
Partner: UNT Libraries Government Documents Department

Wheeled Scraper.

Description: Patent for improvements on the scoop-like body of a wheeled scraper. Includes illustrations.
Date: February 1, 1910
Creator: Robbins, John Proctor
Partner: UNT Libraries Government Documents Department

Trap

Description: Patent for a trap. This design is for a live trap. Illustration included.
Date: September 1, 1908
Creator: Pierce, William Z.
Partner: UNT Libraries Government Documents Department

Wheel Plow

Description: Patent for a plow supported on wheels. Illustration included.
Date: January 1, 1907
Creator: Barnett, George W.
Partner: UNT Libraries Government Documents Department

Water-Elevator.

Description: Patent for an improvement in water elevators to raise and lower a pair of buckets, meant to be simple, inexpensive, and more efficient than other designs. In particular, it is meant "to move the buckets in either direction without necessitating the operator's changing his position with relation to the apparatus" (lines 19-22).
Date: January 1, 1901
Creator: Griffin, Walter R.; Thomas, Joseph E. & Griffin, Samuel D.
Partner: UNT Libraries Government Documents Department

Well-Digging Machine.

Description: Patent for an improved oil well digging machine.
Date: December 1, 1908
Creator: Clack, Judge H.
Partner: UNT Libraries Government Documents Department

Vacuum Storage And Preserving Can

Description: Patent for vacuum storage and preserving can. This invention is intended for the use of preserving eggs. Illustration included.
Date: August 1, 1905
Creator: Stukes, John Marion & Lane, Barton George
Partner: UNT Libraries Government Documents Department

Water-Elevator

Description: Patent for "an apparatus for use in connection with a well, whereby the well-bucket will be automatically elevated and emptied into a trough by the weight of the cattle that may come to the well to drink, the apparatus be ing particularly designed for use in the Western countries, where large numbers of cattle come to each well in herds" (lines 16-23).
Date: April 1, 1890
Creator: Campbell, George W.
Partner: UNT Libraries Government Documents Department

Vacuum Electric-Arc Furnace.

Description: Patent for "an improved electric furnace having means to positively insure the thorough fusion or reduction of the substances placed therein without loss due to combustion or the oxidation of such substances, while at the same time providing an effective distribution of the heat and the prevention of the loss of carbon by combustion" (lines 17-25). Includes instructions and illustrations.
Date: June 1, 1897
Creator: Eldridge, Hilliary; Wright, George Hudson & Clark, Daniel J.
Partner: UNT Libraries Government Documents Department

Mill for Grinding or Crushing Cotton-Seed or the Like.

Description: Patent for improvements to the grinding or crushing of materials in mills by eliminating the hammering action by the use of supported ball bearings. This decreases the amount of power needed to operate the mill and includes illustrations.
Date: May 1, 1917
Creator: Nolen, Robert Rufus
Partner: UNT Libraries Government Documents Department

Process of and Apparatus for Sizing or Classifying Comminuted Materials.

Description: Patent for improvements in process of and apparatus for sizing and classifying comminuted materials, according to the size of the particles of the material. It allows for particles to be classified according to size and discharged from the apparatus in different receptacles, with the particles in each receptacle being substantially the same size.
Date: June 1, 1915
Creator: Sutton, Henry M.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Cleaners

Description: Patent for a device that enhances the performance of cotton-cleaner machinery.
Date: May 1, 1877
Creator: Greaves, James
Partner: UNT Libraries Government Documents Department

Improvement in Cotton and Hay Presses

Description: Patent for new cotton and hay presses with new bailing designs, including illustrations.
Date: September 1, 1877
Creator: Methvin, Boling J.
Partner: UNT Libraries Government Documents Department

Improvement in Churns.

Description: Patent for improvements in churns with specific improvements in dasher-rods and lids. This patent includes illustrations.
Date: January 1, 1878
Creator: Davis, Henry T.
Partner: UNT Libraries Government Documents Department

Improvement in Churns.

Description: Patent for a better churn which makes butter faster, releases butter from the churn more easily, and is simple to create and use. Includes instructions and illustrations.
Date: January 1, 1878
Creator: McConnell, John A. & McConnell, William V.
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for improvements in adjusting devices and attachments for sulky plows, including instructions and illustrations.
Date: January 1, 1878
Creator: Payne, Joseph Mott
Partner: UNT Libraries Government Documents Department

Improvement in Ant Traps

Description: Patent for the improvement of Ant traps, including to illustrated and labeled figures.
Date: April 1, 1873
Creator: Ames, Theodore G.
Partner: UNT Libraries Government Documents Department

Improvement in Combination Locks.

Description: Patent for combination latch-locks, "in such manner as that the knob-latch, while performing its special function, will also serve as the lock upon any combination to which it may be adjusted, and the said latch can be operated from either the outside or inside of the door as a latch simply, or as a combination lock, which latter is further secured from the inside by the employment of a safety pin, rendering the bolt in its locked position perfectly secure, while by its partial withdrawal it pr… more
Date: July 1, 1873
Creator: Hall, Phidello W.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen