UNT Libraries Government Documents Department - 1,490 Matching Results

Search Results

prev Results: 21 - 44 next

Brake-Band Clencher

Description: Patent for improvements in brake-band clenchers. It is intended to "provide an improved Ford brake band clencher adapted for holding the brake bands in place while the transmission case is being replaced" (lines 14-18).
Date: June 17, 1919
Creator: McCaffrey, Harry J. & Roberge, Edgar, J.

Adjustable Crib or Bed.

Description: Patent for improvements in Adjustable Cribs or Beds for children to sit beside the bed of the mother or guardian of the child. Made to be "easily and quickly attachable to or connected with any make of" (lines 17-19) the adult's bed "so that the mattresses of the bed and crib will be perfectly even or flush, without space...between them" (lines 20-22). Includes illustrations.
Date: November 25, 1919
Creator: Rece, Frank S.

Clasp or Fastener for Garments.

Description: Patent for a clasp or fastener for garments, designed to replace hooks and buttons as fasteners of womens' garments, including illustrations.
Date: February 4, 1918
Creator: Sanger, Isaac L.

Bottle-Filling Device.

Description: Patent for filling bottles with "two liquids and introducing them into the bottle at the same time under pressure" (lines 17-18), specifically for "carbonated beverages" (lines 12-13).
Date: April 6, 1920
Creator: Dannelley, Dillon C.

Concrete Composition

Description: Patent for a formulation of waterproof concrete that utilizes lava rocks.
Date: December 17, 1918
Creator: Charles E. Barglebaugh

Hydrostatic Control for Pumps

Description: Patent for improvements in the hydrostatic control located in the pump. It is used as an automatic pressure governor.
Date: January 7, 1919
Creator: William M. Stephenson

Process of and Apparatus for Progressive Electrostatic Separation of Comminuted Material

Description: Patent for a new process and equipment that improves upon prior work to separate comminuted materials. This patent explores the new process which "provides means for moving the electro-static waves or charges across the line of normal movement of the material upon a support of between two opposing stationary electrodes by so directing and controlling the electric charges, that each bar electrode is charged in succession across the deck and at an angle to the movement of such deck, whereby the d… more
Date: April 26, 1921
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.

Electric Water Heater

Description: Patent for improvements to electric water heaters adapted for heating small bodies of water. The interior walls of the cylinders in the heating unit are perforated so that water can freely circulate through and between them.
Date: February 7, 1922
Creator: Stephens, Richard M.

Metallic Mold for Concrete Walls

Description: Patent for metallic molds for concrete or plastic walls. These molds have been improved in terms of their construction. Includes illustrations.
Date: April 12, 1921
Creator: Bolton, George W.

Mechanism for Removing Useful Fiber from Seeds

Description: Patent for an adaptation to machines that will "remove fibers from their attachments, such as gins, cotton seed linters, wool-burring machines, and the like" (lines 10-12).
Date: August 9, 1919
Creator: Vardell, Arthur A.

Building-Slab

Description: Patent for new invention that would improve in the construction of upright walls.
Date: February 11, 1920
Creator: Hanszen, Oscar A.

Pipe-Coating Machine.

Description: Patent for a pipe coating machine which coats the pipes used for oil and gas pipe lines with a safety material like tar.
Date: April 26, 1921
Creator: Taber, Rock G.

Building Construction.

Description: Patent for new and improved building constructions which will help the economy, steadiness, benefit, and rapidity of erection.
Date: April 26, 1921
Creator: Eldridge, Leonard L.

Means For Protecting Vaults.

Description: Patent for protecting bank vaults by using metal shells (that are adapted to receive frangible gas containers containing asphyxiating or other disabling gas) as inner linings inside and next to the brick wall of the vault. The metal shells containing the gas containers will break upon contact when a person or persons are trying to breach the outer (brick wall) to gain access to the bank vault.
Date: April 5, 1921
Creator: Bumpass, Leonard E.

Electrically-Controlled Puller For Oil-Well Casings.

Description: Patent for an improved oil well casing puller that has electromagnets that will lock against the inside of the casing and be pulled out of the well. The pulley within the casing can be used accordingly and can also be locked with the casing or released from it.
Date: April 12, 1921
Creator: Dooley, William D.

Cotton-Cultivator.

Description: Patent for an improved cultivator used for tillage when the plows are not in the ground. The cultivator can also lighten the heaviness felt by the operator while the plow is being used.
Date: May 17, 1921
Creator: Barnett, James Samuel

Refrigerator-Door.

Description: Patent for individual doors for compartments within a refrigerator, to protect items from being exposed to warm air when the refrigerator door is ajar. This patent also provides for the ability to apply doors as attachments to refrigerators without pre-installed compartment doors.
Date: June 28, 1921
Creator: Jurek, Martin

Adjustable Book-Cover

Description: Patent for a book cover that can be adjusted to fit any book size.
Date: September 28, 1920
Creator: Toland, Thomas L.

Lawn Swing

Description: Patent for an improved version of a Lawn Swing that is easily constructed and weather resistant, including illustrations.
Date: December 12, 1919
Creator: Galipp, Herman C.

Check-Book

Description: Patent for a foldable check book. Illustration is included.
Date: October 5, 1920
Creator: Exline, Marcus P.

Butter-Cutter

Description: Patent for improved butter cutting machine to be used in professional kitchens.
Date: November 30, 1920
Creator: Palmer, William W.

Aeroplane-Kite.

Description: Patent for a new aeroplane-kite which can be "readily dismantled and folded for shipping and easily assembled and placed in position for flying without the use of numerous fastenings and detachable parts, thereby making for simplicity and practicability" (lines 12-17). Also includes wind tunnels and a fuselage frame which is so easily assembled that a child can do it.
Date: October 19, 1920
Creator: McLaughlin, James T.

Blow-Out Boot

Description: Patent for a blow-out boot which would prevent the usual particulate from being able to enter the inner tire after a blow-out.
Date: January 4, 1921
Creator: Barnes, John A.

Collar Fastener or Clasp

Description: Patent for a collar fastener "which will hold the flaps of a collar properly spaced from each other and insure a secure gripping of the flaps to avoid untidy appearance of the collar" (lines 14-17). Includes illustrations.
Date: June 21, 1921
Creator: Orson, Kelly N.
Back to Top of Screen