UNT Libraries Government Documents Department - 480 Matching Results

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Oil-Cup

Patent for the improvement in oil cups adapted for jewelers' use.

Date: September 3, 1918

Creator: Parks, James W.

Process of Obtaining Illuminating-Gas from Lignite

Patent for improvements to the processes of obtaining illuminating-gas from Lignite. This new process consists in the novel steps and combinations of steps for obtaining an illuminating gas directly from lignite without having to enrich the same.

Date: unknown

Creator: Schoch, Eugene P.

Process of Producing Perhalates

Patent for an improved process of producing perhalates, perchlorates, and their corresponding acids.

Date: September 24, 1918

Creator: Schoch, Eugene Paul

Hat-Pin

Patent for a hat pin. This hat pin utilizes a new form of guard to house the pin to prevent injury and keep it from accidentally slipping out. It is also designed to be ornamental, compact, and can be applied to many different types of hat.

Date: May 14, 1918

Creator: Collier, William Reid

Hat-Pin Point Protector

This patent is for the device that is to be used for protecting the point of the hat pin, and the invention aims to improve the operative connection between the compartmental members which shield and grip the point of the pin.

Date: April 9, 1918

Creator: Koch, Charles Albert

Electrolytic Cell

Patent for an improved electrolytic cell that automatically maintains its predetermined amount of liquid.

Date: November 20, 1920

Creator: Walker, Thomas Bailey

Ice-Carrier for Automobiles

Patent for an ice carrier for automobiles. Illustration is included.

Date: October 12, 1920

Creator: Thielepape, Arnold W.

Identification-Tag

Patent for metal identification tags with imprinted indicia to keep records of something. The tags are used on bale ties and will replace paper tags due to flammability.

Date: September 3, 1918

Creator: Luthy, Joseph Anton

Piston-Head

This patent relates to piston heads particularly designed for use in connection with a hydrocarbon engine. The purpose of this invention is to provide a novel form of a ball and socket connection between the piston rod and the piston head. The said connection is designed to be durable in construction , cheap to manufacture and easily applied.

Date: April 9, 1918

Creator: Collier, William Reid

Gate.

Patent for a gate that can be manually controlled to open and close the gate when necessary.

Date: September 7, 1920

Creator: White, William Eugin

Power-Transmitting Means

Patent for improving power-transmitting means. The patent reduces the ratio of rotary to reciprocatory movement, with illustrations.

Date: May 31, 1921

Creator: Benson, Madison H.

Process of Producing Barium Chlorate

Patent for a new process of making substantially pure barium chlorate that will be more expeditious and less costly to carry out than those prior.

Date: September 27, 1921

Creator: Schoch, Eugene P.

Shoe-Sewing-Machine Attachment.

Patent for sole channel cutting for shoe sole sewing machines in which "the sole will be channeled for the insetting of the stiches, the channel being continuous and the cutting thereof is had when the show is at a standstill." (lines 15-20)

Date: May 25, 1920

Creator: Malmberg, Anders G.

Head or Tail Light for Automobiles.

Patent for head or tail light for automobiles with adaptations of optical signaling and lighting devices used to make the vehicle and its intended change of drive direction and other traffic signals visible at night. This design also includes indicia, or specific distinguishing marks noting right and left turns.

Date: June 3, 1919

Creator: Heartsill, Isaac Newton.

Dental Implement

Patent for a dental implement that features a tool useful for dentists when filling teeth and also is adapted to contain filling material for instant availability and use during dental procedures.

Date: December 2, 1919

Creator: Edwards, Walker A., Jr.

Cotton-Chopper

Patent for a cotton-chopper which is steered using the feet, and where the chopping apparatus is adjustable and can be raised or lowered. The chopping apparatus also rotates, and the operator can adjust the speed of rotation. Patent includes illustrations.

Date: October 26, 1920

Creator: Engler, Charles

Automobile-Headlight

Patent for a headlight design that turns with the front wheels, allowing the driver to illuminate the road ahead whether driving straight or turning.

Date: June 30, 1914

Creator: Fay, Peter J.

Controlling Device for Water Heaters.

Patent for a device that controls the gas supply valve for water heaters. Patent includes illustrations and specifications.

Date: June 13, 1916

Creator: Cochran, Harry A.

Case for Rural-Mail Carriers.

Patent for a device to enable rural mail carriers to efficiently carry and store postal items for sale. The storage unit (device) is water-resistant to protect the items inside from inclement weather while delivering mail.

Date: April 24, 1917

Creator: Campbell, Guy

Demountable Rim and Felly Band

Patent for Demountable Rim and Felly Band

Date: May 1, 1917

Creator: Stephens, Charles D. & Bachman, Joseph A.

Car-Door Operating and Locking Device

Patent for a car door operating and locking device that provides improved means for automatically closing and locking the doors before starting the car.

Date: May 18, 1915

Creator: Pitts, Hood

Box-Corner Protector.

Patent for a metal corner protector for boxes. The protector covers both the inner and outer corners of boxes to enhance grip and prevent protruding edges from damaging goods.

Date: February 10, 1914

Creator: Black, Katherine Mary

Attachment for Mowers

Patent for a dividing and feeding mower attachment to guide grain into the cutters of the mowers in an upright position.

Date: April 13, 1915

Creator: Mosely, Jimmie E.

Attachment for Spoons.

Patent for an attachment for spoons, forks, and the like. The attachment is a metal wire loop that attaches to a utensil and is bent to hook onto a vessel such as a bowl to keep the utensil from falling in the vessel.

Date: June 6, 1916

Creator: Allen, Harry P.