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Automatic Density-Indicator for Slime-Pulp Separators.
Patent for devices that thickens slimes for ore milling operations in which it will indicate the density and regulate it so it will not go below a predetermined value.
Date:
June 22, 1920
Creator:
Allen, Charles
System:
The Portal to Texas History
Coaling Device.
Patent for coal colliers that breaks the coal into small pieces and lifts the coal to pour the coal into the ship's bunkers.
Date:
June 22, 1920
Creator:
Buchanan, Stewart Harold
System:
The Portal to Texas History
Drill-Bit.
Patent for improvements in drill bit constructions that allows the drill bit to be switched out and the new bit locked in so it is secure.
Date:
June 22, 1920
Creator:
Midgett, Penelton G.
System:
The Portal to Texas History
Geometric Figure
Patent for a sewing pattern for spherical objects, including illustrations.
Date:
June 22, 1920
Creator:
Miller, Emma Thornton
System:
The Portal to Texas History
Penholder.
Patent for a simplified construction of a pen holder which is inexpensive to manufacture. It detachably engages the pen point, prevents rusting and sticking. Releases pen point without user needing to grip, therefore avoiding sullying fingers.
Date:
June 22, 1920
Creator:
Baldwin, Charles E.
System:
The Portal to Texas History
Razor.
Patent for a safety razor, with the objects of a creating a novel frame for holding a razor blade of any desired sort, and so that the vibrations will not be transferred to the carrying frame.
Date:
June 22, 1920
Creator:
Brasier, William Harry
System:
The Portal to Texas History
Shelving
Patent for a shelving unit designed to display books for sale in a storefront, including illustrations.
Date:
June 22, 1920
Creator:
Wieman, Herman A.
System:
The Portal to Texas History
Egg-Crate.
Patent for "a crate in which eggs may be shipped by freight, express or parcels post...without being cracked or broken" (lines 10-14), including illustrations.
Date:
June 22, 1915
Creator:
Miller, Robert E.
System:
The Portal to Texas History
Hoisting Hook.
Patent for "certain new and useful Improvements in Hoisting-Hooks" (lines 5-6) including specifications and illustrations.
Date:
June 22, 1915
Creator:
Black, Lee J.
System:
The Portal to Texas History
Horse-Collar.
Patent for a horse collar that prevents "grinning", i.e., "a slight enlarging of the apertures or slits provided in the outer edge of the lining of a horse collar to receive the thong lacing commonly employed to connect said edge to the corresponding edge of the front of the collar."
Date:
June 22, 1915
Creator:
Schenkenberg, Frederick
System:
The Portal to Texas History
Hydrocarbon-Burner
Patent for a hydrocarbon burner that releases the fuel oil by means of a spray, for use in furnaces of stationary boilers. It also allows easy adjustment to the fuel nozzle on the spray.
Date:
June 22, 1915
Creator:
Smith, Algernon V.
System:
The Portal to Texas History
Jack-Block.
Patent for improvement in jack boxes used for holding the wheel of a car.
Date:
June 22, 1915
Creator:
Guild, George
System:
The Portal to Texas History
Landing-Net.
Patent for improvements to landing nets to make them foldable or collapsible, providing for easier storage when not in use.
Date:
June 22, 1915
Creator:
Franklin, Robert M.
System:
The Portal to Texas History
Machine for Cracking Nuts
Patent for a machine that is able to crack multiple types of nuts at a rapid rate.
Date:
June 22, 1915
Creator:
McDonald, C. W.
System:
The Portal to Texas History
Resilient Means for Vehicle Axle Suspension.
Patent for a more resilient vehicle axle suspension and created specifically for motor vehicles.
Date:
June 22, 1915
Creator:
Guthrie, Nehemiah & Johnson, Callender L.
System:
The Portal to Texas History
Rotary Drilling Apparatus
Patent for well drilling apparatus (commonly known as rotaries) with eliminated screws and nuts, and reduced minimum number of parts, and which provides a quickly and easily operable gripping device.
Date:
June 22, 1915
Creator:
Black, Lee J.
System:
The Portal to Texas History
Shirt.
Patent for an improvement in shirts which have the ability to be reversed in the event that one side should become soiled; includes illustration.
Date:
June 22, 1915
Creator:
Miles, John J. & Williams, Jerome A.
System:
The Portal to Texas History
Spring-Full for Locks
Patent for a spring-full for locks that is "automatically spring actuated" (lines 12-13) by a button including illustrations and instructions.
Date:
June 22, 1915
Creator:
Ewing, Harry L.
System:
The Portal to Texas History
Thermostatic Fire-Extinguishing Device
Patent for a thermostatic fire-extinguishing device that improves the efficiency and operation of thermostatic fire-extinguishers.
Date:
June 22, 1915
Creator:
Hooks, J. J.
System:
The Portal to Texas History
Trap-Net.
Patent for improvements in net traps for fish. The trap is constructed of two sections that "can be held open at any depth" and automatically close when lifted.
Date:
June 22, 1915
Creator:
Franklin, Robert M.
System:
The Portal to Texas History
Wire Stretcher
Patent for an improved wire-stretcher that is able to stretch wires while simultaneously holding the stretched wire during stapling.
Date:
June 22, 1915
Creator:
Kidd, Burrell L.
System:
The Portal to Texas History
Ice Breaking Machine.
Patent for an improved Ice Breaking Machine. This new design has movable plates that allow for the ice to be broken up into various sizes as desired by the user. It is also of a simpler construction than earlier machines.
Date:
June 22, 1914
Creator:
Krocker, Adolf C.
System:
The Portal to Texas History
Bookbinding
This is a letter patent for the bookbinding invention as a means for holding books, pamphlets, catalogs, and other similar paper materials together. The purpose of this invention is to make it possible to place additional material inside the same covers, and with the original contents of a book without breaking or tearing the binding.
Date:
June 22, 1911
Creator:
Robinson, Edward K.
System:
The Portal to Texas History
Auger-Bit
Patent for an auger bit used for boring holes. Illustrations included.
Date:
June 22, 1909
Creator:
Harris, Lawrence P.
System:
The Portal to Texas History