UNT Libraries Government Documents Department - 82 Matching Results

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Agricultural Implement dated September 17, 1918

Description: Patent for agricultural implement used for tilling the soil so as to prepare the land for planting. It is used to reduce clods, loosens, and levels the soil.
Date: 191X
Creator: Powell, George D.

Alarm.

Description: Patent for an alarm designed to attach to windows or entryways and sound to alert residents of a burglary attempt, with illustrations.
Date: May 29, 1906
Creator: Hobbs, Francis Marion

Animal-Trap

Description: Patent for an animal trap that requires the animal to fully enter the jaws of the trap to reach the bait and that reliably springs the trap upon the entrance of an animal but not when refilling the bait in the trap.
Date: March 26, 1907
Creator: Dubois, James Madison

Automatic Air-Brake Coupling

Description: Patent for an air-brake coupling for railroad cars which connects cars automatically and can be fully controlled by the train engineer in the engine.
Date: July 23, 1907
Creator: McMillan, Thomas B.

Automatic Train-Stopping Mechanism.

Description: Patent for an affordable and easily operable mechanical train stopper designed to be installed directly on a locomotive.
Date: August 10, 1920
Creator: Evans, Alva A.

Baling-Press.

Description: Patent for a baling-press meant to bale cotton. In this machine, "the power as applied to the plunger is increased in proportion to the resistance offered by the material being baled and whereby the forward movement of the plunger is automatically checked at the limit of its path and is returned to its initial positioin without effort upon the part of the operator" (lines 10-17).
Date: January 5, 1897
Creator: Anderson, Alva E.

Baling-Press.

Description: Patent for a baling-press for cotton and uses a compression chamber and a head or compressor block to compress the cotton. The invention is more effective and more expeditious than other baling-presses.
Date: June 5, 1894
Creator: Anderson, Alva E.

Bit for Well-Drilling Apparatus.

Description: Patent for an expansion bit for a well-drilling apparatus that can be "adjusted and removed without without withdrawing the well tubing, and to provide means whereby a bit capable of drilling a hole sufficiently larger than the well tubing to accommodate a casing may be introduced through the tubing" (lines 11-16).
Date: April 3, 1894
Creator: Horton, Stephen A.

Buggy Top Support

Description: Patent for a buggy top support. Illustration included.
Date: January 10, 1905
Creator: Mason, Everett H.

Buggy-Top Support.

Description: Patent for buggy-top support by providing a device that can “secure the folding top of any vehicle and will protect the bows from strain and breakage, when in lowered position and will also prevent all rattling of and shocks of the folding top.” (Lines 11-15) Illustration is included.
Date: June 4, 1901
Creator: Mason, Everett H.

Burglar-Alarm.

Description: Patent for a portable device that can be hung on a door knob and sound an alarm when the knob is turned, including instructions and illustrations.
Date: August 18, 1914
Creator: Dick, Archie P., Jr.

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design relates "especially to that class known as 'gravity-pin supports;' and the object thereof is to provide improved means for supporting the pin so that it can be operated from the top of the car, or so that it will drop automatically when two cars come together" (lines 9-14). It consists, "with the coupling-pin and a supporting-arm pivotally connected to the draw-head and to the upper end of said pin, of a weight carried by sai… more
Date: November 18, 1890
Creator: Epperson, Alexander

Car-Coupling.

Description: Patent for improvements in car-couplings by using a combination of “a rod pivoted at its front end to the side of the draw-head and pivotally connected at its rear end..... when the draw-head is driven to the rear by the force of the blow received in coupling with another draw-head, the lug will be pressed to the front,” (lines 30-40) illustration is included.
Date: March 17, 1891
Creator: Bright, Tom Full

Car-Coupling.

Description: Patent for improvements in car-couplings “with means for elevating the coupling-link without the necessity of the brakeman going between the cars, and also to provide means for holding the coupling-pin out of engagement with the link when the cars are uncoupled, said pin being automatically released when the cars come together, so that it will fall by gravity and engage with said link.” (Lines 17-25) Illustration is included.
Date: June 2, 1891
Creator: Hamilton, Weston G.

Carpenter's Jack

Description: Patent for a carpenter's jack specifically designed for "carpenters or workmen in laying flooring, putting up siding, or any similar operations" (lines 9-11).
Date: October 24, 1905
Creator: McCulley, Perry J.

Carriage Top Support

Description: Patent for a carriage top support. This carriage top support is designed "with sufficient resiliency to take up all the jolts and strains between the body and the top" (line 16-18). Illustration included.
Date: August 25, 1903
Creator: Mason, Everett H.

Carton.

Description: Patent for cartons, specifically cartons belonging to "the class of collapsible safety wrappers for bottles or other fragile articles." (lines 9-10).
Date: August 30, 1916
Creator: Elder, Joseph H.

Carton.

Description: Patent for a carton used to carry bottles or other fragile containers in a manner that prevents spillage, breakage, or other type of damage to befall the bottles and their contents, includes illustrations.
Date: September 2, 1919
Creator: Elder, Joseph H.

Carton

Description: Patent for improvements made to a carton such as an inclusion of a wrapper and retaining strip to protect and hold valuable objects such as glass along with various other improvements to the overall construction of the carton.
Date: December 6, 1918
Creator: Elder, Joseph H.

Chuck.

Description: Patent for a chuck used with a jewelers lathe to hold watch crystals in place while cutting them down to size.
Date: November 24, 1908
Creator: Bruton, David A.

Clevis.

Description: Patent for improvements in clevises in which a clevis can be used upon plows or harrows. When it is used, it “will obviate the necessity of using links or open rings in connection with the clevis and the singletree, as well as enable the plowman to cause his plow to run in the soil any desired depth or to cut a narrow or wide furrow.” (Lines 16-20) Illustration is included.
Date: July 28, 1891
Creator: Bruton, Alonzo D.

Closure for Cistern-Cleaners

Description: Patent for a closing mechanism for cistern and well cleaners. Illustrations included.
Date: November 1, 1910
Creator: Moore, Gervias T.

Compound for Removing Grease and Stains.

Description: Patent for a compound to remove grease and stains from wood and fabric. Includes instructions.
Date: February 16, 1892
Creator: Cox, George S. & Lewis, Georgia M.

Cotton Chopper

Description: Patent for cotton choppers. This invention is adapted to be attached to a double shovel cultivator so that the chopper will rotate so as to protect plants. Illustrations included.
Date: November 13, 1906
Creator: Connell, Alexander Hardee
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