UNT Libraries Government Documents Department - 43 Matching Results

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Apparatus for Calcining Plaster

This patent is for an apparatus for calcining plaster of any kind. Or an apparatus that keeps clean the inner surface of a revoluble drum for ventilating the drum during the calcining operation. The apparatus also provides for easily removing the material after the completion of the cooking operation (Lawrence, 1902).

Date: unknown

Creator: Lawwrence, Ambrose

Cooking Utensil.

Patent for cooking utensil designed for roasting coffee, popping corn, roasting meat, and other food by hand over a fire or flame by rotating. The device is made of metal and mesh, turns by cranking, and the length of the shaft is adjustable for stability.

Date: June 17, 1919

Creator: Bogue, Robert J.

Pump Jack

Patent for an improved double-acting pump jack that will require less parts and external force to operate and maintain.

Date: April 29, 1919

Creator: Lively, William

Cultivator

Patent for turning and clearing cotton.

Date: February 25, 1919

Creator: Goodman, W.T.

Cotton Chopper.

Patent for cotton chopper that frees the plants from the "weeds and the soil thereabout cultivated in but a single operation" (lines 14-16).

Date: February 11, 1919

Creator: Goodman, William T.

Automatic Train-Stop

Patent for Automatic Train-Stops "particularly to a system operable in connection with well-known airbrake systems to apply the airbrakes, and shut off the power when an accident of a predetermined character occurs." (lines 10-14) including instructions and illustrations.

Date: May 16, 1916

Creator: Estes, Betram P.

Corn-Heading Knife.

Patent for a corn cutting knife that straps to the hand and protects the fingers for a more efficient harvesting of corn and maize.

Date: May 2, 1916

Creator: Buchanan, Lemuel O.; Maddox, John S.; Russell, James P. & Speers, Albert

Stove

Patent for a more efficient and cost effective heating apparatus. The stove is designed for coal and similar fuel sources.

Date: December 14, 1915

Creator: Hanna, John J.

Cotton-Separator

Patent for an apparatus for cleaning seed cotton and separating the dust and dirt therefrom prior to the ginning operation. The apparatus will have a perforated metal disk or wheel where cotton will readily slide off, instead of getting clogged. The separator wheel will have a smooth plane surface that will cause no injury to the cotton and the entire surface is freely exposed and unobstructed.

Date: September 7, 1915

Creator: Hughes, James Y.

Cooling and Disinfecting Device.

Patent for improvements in fluid cooling and disinfecting devices. The primary object of improvements is "to provide a simple, inexpensive and efficient device of this character which will be well adapted to the purpose for which it is designed."

Date: February 23, 1915

Creator: Womack, Samuel W.

Car-Replacer

Patent for car replacer. It is an improvement to "what is called a 'frog' or a 'shoe'." The invention involves "two frogs or shoes which are used together" and are used "in such a way as to replace a car truck. . ." (Ledbetter)

Date: December 1, 1914

Creator: Ledbetter, Louis H.

Drag-Harrow.

Patent for an improved drag harrow for plowing soil. "The primary objective of the invention is to provide a soil pulverizer in which a rotary grinding action is produced by the drawing of the apparatus across the soil" (lines 10-13).

Date: May 19, 1914

Creator: Kramer, Frank

Churn.

Patent for a new and improved hand churn, that rests on any flat surface to create better support during use.

Date: February 10, 1914

Creator: Trout, Ed T.

Churn

Patent for a churn that can produce butter in very short period of time with minimal effort.

Date: May 19, 1913

Creator: Hoefer, Charles Jr.; Belt, Marcus L. Jr. & Belt, William R.

Cut-Off.

Patent for a cut-off for water pipes, which provides a new construction to control the flow of supply of water from a roof.

Date: February 27, 1912

Creator: Pruden, John B.

Lawn-Mower

Patent for a lawnmower. Illustrations included.

Date: January 2, 1912

Creator: Klock, George W.

Cement Plaster.

Patent for a cement plaster that is similiar to "Keene's" cement.

Date: February 28, 1911

Creator: Cady, Jephtha Daniel

Shipping-Crate.

Patent for a crate to transport bottled beverages, which is protected by slidably mounted, sealed enclosures with guide strips, guide rods, and terminal hooks. Bottles are held upside down within protective neck encasements. Accidental opening of the crate is reduced since the opening side cannot be slid open until the seals are broken.

Date: January 17, 1911

Creator: Wyman, Lewis Henry