UNT Libraries Government Documents Department - 13 Matching Results

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Beet Harvestor

Patent for improvements and additional features in the mechanical frame of beet harvesting equipment.

Date: July 15, 1919

Creator: Hannum, Philip L.

Draining Attachment for Sinks

Patent for a draining attachment for sinks to facilitate draining water. Illustrations included.

Date: May 14, 1912

Creator: Weaver, Mary A.

Flying-Machine

Patent for a flying machine with rotating feathered wings and propellers with an included emergency parachute like apparatus for landing the machine safely in case of malfunction.

Date: September 24, 1912

Creator: Hardgrave, Henry

Headlight-Shade.

Patent for a headlight shade which can be pulled down to block the high beam headlights of a train or car when there is an oncoming train or car.

Date: July 18, 1911

Creator: Green, John R.

Metal Railway-Tie

Patent for a metal tie for railways. Illustrations included.

Date: August 22, 1911

Creator: McAnarney, John S.

Pump.

Patent for "improvements in pumps which move a long column of water with each stroke but discharge a relatively small quantity" (lines 10-13) including instructions and illustrations.

Date: May 16, 1911

Creator: Kangas, Frank Oskar

Railway-Spike.

Patent for a railroad spike, which locks itself in place.

Date: July 5, 1910

Creator: McKnight, Otey J.

Roll-Holder

Patent for roll holder for cotton rolls or bandages. Illustrations included.

Date: January 28, 1913

Creator: Griswold, John Lee Roy

Sanitary Cleansing and Indicating Device for Drinking Vessels.

Patent for a sanitary cleaning and indicating device for drinking vessels, which shows which cups are clean or dirty.

Date: May 31, 1910

Creator: Thornton, Charles W.

Seat Arrangement for Automobiles.

Patent for the arrangement of the seats in a vehicle, allowing the adjustment of several upright seats into a single bed-like formation, "either for sleeping purposes or for ambulance purposes" (lines 16-17).

Date: July 20, 1915

Creator: Cornwell, William O., Jr.

Tail-End Light for Automobiles.

Patent for a tail-end light for automobiles, subway and surface trains, and other motor propelled vehicles which changes color to indicate the speed at which the conveyance is traveling.

Date: July 29, 1919

Creator: Green, John Richard

Traction-Wheel

Patent for improved wheel system which provides traction over a variety of surfaces.

Date: June 9, 1914

Creator: Shindler, Robert Conrad

Trap.

Patent for a new type of animal trap with a rotating cylinder that projects the animal into the trap itself when depressed.

Date: November 23, 1915

Creator: Webster, Joseph R.