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549 Matching Results
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Results:
529 - 549 of
549
Sign.
Patent for signs, bulletin boards and other display apparatus; the purpose of this device is that display elements may be reversed from time to time to change announcement displayed.
Date:
June 21, 1921
Creator:
Nowlin, Aubrey C.
System:
The Portal to Texas History
Single-Trigger Mechanism for Double-Barrel Guns.
Patent for a new single-trigger mechanism for double-barrel guns in which both barrels fire successively and premature discharge is prevented, including illustrations.
Date:
April 26, 1921
Creator:
Lindsay, Charles W.
System:
The Portal to Texas History
Tractor.
Patent for a tractor in which the placement of the power source reduces dead weight and provides a low center of gravity, thereby increasing stability.
Date:
May 24, 1921
Creator:
Martin, John J.
System:
The Portal to Texas History
Watch Belt-Buckle.
Patent for a watch belt-buckle. This invention allows a novel belt buckle to retain a watch therein so that time can be observed. Additionally, this invention allows for the watch to be readily open or closed with respect to the buckle via a removable hinge.
Date:
July 5, 1921
Creator:
Perry, Charles, Jr. & Currie, Neil
System:
The Portal to Texas History
Treatment of Mined Sulfur.
Patent for heating sulfur under appropriate conditions in order to carbonized oil contained within, allowing stationary sulfur to burn without difficulty or interference from carbon.
Date:
April 19, 1921
Creator:
Bacon, Raymond Foss, 1880-1954.
System:
The Portal to Texas History
Washing-Machine
Patent for an improved clothes containing basket within washing machines that is longer-lasting and less likely to become imbalanced. The device increases agitation of clothes and water.
Date:
April 19, 1921
Creator:
Seifert, John W.
System:
The Portal to Texas History
Washing-Machine.
Patent for a mechanized dolly to improve washing machine functionality and efficiency.
Date:
May 17, 1921
Creator:
Huffman, Orla L.
System:
The Portal to Texas History
Hay Rake
Patent for "new and useful improvements in Hay-Rakes." (line 5-6). "Improved means for governing the dumping movements of the rake." (lines 11-12).
Date:
December 27, 1921
Creator:
Mottier, Walter F.
System:
The Portal to Texas History
Monkey-Wrench.
Patent for a monkey wrench that "can be adjusted for different sizes of nuts by the same hand which is using the wrench...and which may also be used as a pipe wrench" (lines 16-21).
Date:
January 11, 1921
Creator:
Kirkpatrick, Otey R.
System:
The Portal to Texas History
Design for a Military Uniform.
Patent for a new, original, and ornamental design for a military uniform.
Date:
October 25, 1921
Creator:
Meacham, Haskell K.
System:
The Portal to Texas History
Abrading Element For Tire-Patch Containers
Patent for an improved tool that is affixed to tire-patch containers. It is used for abrading the surface of a tire to effectively roughen it (without the use of sandpaper) to allow the adhesion of a patch. Includes illustrations.
Date:
January 4, 1921
Creator:
Duffy, Jesse A.
System:
The Portal to Texas History
Display-Stand.
Patent for incorporating vertical shaft in display stands for posters advertising motion pictures and merchandise, with illustrations.
Date:
June 23, 1921
Creator:
Gates, Norwood
System:
The Portal to Texas History
Cable-Clamp.
Patent for improved cable-clamps for oil drilling and water wells, such that the gripping member will accommodate a variety of cable sizes.
Date:
March 29, 1921
Creator:
Lacy, Benjamin B.
System:
The Portal to Texas History
Fuel-Valve Lock for Motor-Cars.
Patent for a fuel shut-off valve for motor cars. The device would prevent fuel from flowing from the tank to the engine with the turn of a key, preventing the vehicle from being stolen.
Date:
March 15, 1921
Creator:
McQueen, Roy O. & Batson, Joseph A.
System:
The Portal to Texas History
Current-Motor.
Patent for a current motor in which water wheels are employed to drive electric generators. The design provides for pontoons to allow the water wheels to be adjustably supported. Constructed in sections, additional sections can easily be added and bracing is included so that the units can be configured to rise and fall together.
Date:
February 15, 1921
Creator:
Rebman, Johan J.
System:
The Portal to Texas History
Cotton Separator
Patent for Cotton Separator, The invention relates to improvements in the mechanism for pneumatically elevating or transporting materials of certain classes. It was primarily designed for the handling of cotton but is also adapted for use with other materials more or less analogous, which require to be elevated or transported for any one of several purposes.
Date:
November 15, 1921
Creator:
Garner, James C.
System:
The Portal to Texas History
Process of Preserving Wood
Patent for the Process of Preserving Wood, particularly to means for treating railway ties to prevent the fungi of decay.
Date:
August 30, 1921
Creator:
Moore Stuart .B
System:
The Portal to Texas History
Dressing Block.
Patent for Dressing Block for well drilling tools. A further aim of this invention is to provide a means for adjusting the tool and the anvil so that tools of different lengths and different sizes, may be readily accommodated and properly dressed.
Date:
November 8, 1921
Creator:
Montgomery, Gustavus A.
System:
The Portal to Texas History
Drill Head For Oil Wells
Patent for Drill Head for oil wells, one object of the invention is to provide a drill head having the capacity to drill through strata of soft formation as may exist between rock layers and in broken formations of clay and boulders, as well as through rock formations themselves, the said drilling head being provided with roller bits or cutters and also with a fish tail cutter.
Date:
October 25, 1921
Creator:
Sorensen, Sam
System:
The Portal to Texas History
Insect Catcher
Patent for Insect Catcher, The objective of this invention is to provide a novel and improved device for this general character especially designed and adapted for use in connection with growing plants and is especially adapted for use to destroy boll weevils, bollworms, sharp shooters, and bugs and insects which infest cotton, potato, tomato and kindred plants.
Date:
November 8, 1921
Creator:
Ryan, William C. & Ruhmann, Grover C.
System:
The Portal to Texas History
Grain Bag Holder
Patent for Grain Bag Holder which is a simple device that will enable an operator to hold a bag securely at one side of a chute and which holder will quickly release the bag at the will of the operator.
Date:
August 23, 1921
Creator:
White, Ira B.
System:
The Portal to Texas History