UNT Libraries Government Documents Department - 36 Matching Results

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Chimney-Cowl

Patent for low cost chimney cowl improvements to insure proper draft and prevent fires.

Date: March 12, 1918

Creator: Burch, Robert S.

Patent for improving band-saws for lumber "which can be inexpensively produced, which will not readily crack or otherwise deteriorate in use" (lines 15-18) by "reinforc[ing] the gullets of the teeth that the tendency for cracks to form at this point will be reduced to a minimum" (lines 33-35).

Date: September 28, 1920

Creator: McCormick, Merton H.

Fishhook.

Patent for a fishhook that allows for a swiveling motion that does not interfere with the connection to the fishing line.

Date: December 20, 1921

Creator: King, James Manning

Link Gear

Patent for a link gear that provides a valve gearing for locomotives resembling a link motion. This link gear has a reduced number of parts compared to other link gears.

Date: unknown

Creator: Flournoy, Robert

Turntable.

Patent for an improved turntable "designed to be attached to and carried beneath a motor car" (lines 12-13) that would allow the car (train car) to be elevated or lowered onto railroad tracks. The device includes a base, pedestals, and a rotatable base.

Date: January 3, 1922

Creator: Westmoreland, James P. & Bullington, John D.

Mail-Bag Catcher

Patent for improvements of mail bag catchers. This patent proposes improvements on the construction and arrangements of mail bag catchers including the alteration of the jaw and the addition of springs. Includes illustrations.

Date: March 26, 1918

Creator: Davis, Tomie

Well-Drilling Tool.

Patent for a bit that can be attached to a rotary tool for drilling wells. It features a means for using water to dislodge any accumulated mud from the tool.

Date: April 5, 1921

Creator: Clore, Franklin H.

Well -Bucket

Patent for an improvement in well -buckets adapted for cleaning and drawing water from drilled wells.

Date: March 19, 1916

Creator: McKinnon, Thomas J.

Coffee Parcher

Patent for new and useful improvements in coffee parchers. Easily used on a range which is also simple and durable. Illustrations included.

Date: May 12, 1914

Creator: McCall, Daniel

Telegraph-Transmitter.

Patent for an improvement to telegraph transmitters of the pendulum type in which signals are transmitted through use of a series of dots and dashes.

Date: June 2, 1914

Creator: Moore, Leo I.

Folding Wagon-Top

Patent for an improved portable vehicle top such as is used upon farm wagons and the like. The wagon-top is constructed so that it may be easily removably connected with a wagon, so that it may be folded when attached to the wagon, and so that it may provide improved means for releasably connecting the supporting leg of the top proper with the standards which carry the top.

Date: January 4, 1916

Creator: Safford, Edward B.

Automatic Water Cut-Off

Patent for improvements to automatic water cut-offs adapted to be useful "in the event of the falling of temperature to freezing or any other predetermined degree of automatically cutting off the flow of the water." (Lines 18-22).

Date: November 13, 1917

Creator: Goodridge Wilson B.

Automatic Safety-Burner

Patent for an automatic safety burner for lamps that turns off the flame if the lamp is tilted.

Date: November 26, 1912

Creator: Splettstosser, Fritz

Car Door

Patent for a car-door. The design is to prevent rattling and reduce wear on rail car doors. Illustration included.

Date: September 6, 1910

Creator: Lott, Andrew Gains & Handley, John A., Jr.

Churn.

Patent for certain new and useful improvements in churns, including instructions and illustrations.

Date: July 18, 1899

Creator: Christie, James B.

Brazing Compound

Patent for a compound for brazing saws and metal such as silver and tin.

Date: September 3, 1912

Creator: Ge Bott, Jay Dell

Lumber-Dolly.

Patent for a lumber dolly, which has an anti-tilting device that can be used while loading or unloading the dolly.

Date: August 3, 1909

Creator: Lott, Andrew Gains

Improvements in Grinding Attachment for Band-Saw Mills

Patent for a grinding attachment for band-saw mills. It contains information on improved grinding parts such as "band saw wheels... and other pulleys" (lines 13-14) and has illustrations.

Date: October 17, 1911

Creator: Ge Bott, Jay Dell

Lifting-Frame.

Patent for a lifting frame for hoisting engines, which allows a car to be put under the engine easily.

Date: May 4, 1909

Creator: Knox, Hiram

Mirror Attachment for Bureaus.

Patent for an adjustable mirror attachment for bureaus.

Date: November 6, 1900

Creator: Horton, Mary Blanche

Hook

Patent for a self releasing log hook to rapidly move logs from one location to another. It provides simplicity in structure, effectiveness in operation and inexpensiveness in manufacture.

Date: January 9, 1912

Creator: Knox, Hiram

Fence Post

Patent for a fence post. Illustrations included.

Date: May 24, 1904

Creator: Witt, Samuel

Folding Penholder

Patent for a foldable penholder. Illustrations included.

Date: August 1, 1911