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40 Matching Results
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Adjustable WIndow Shade Bracket
Patent for an adjustable window shade.
Date:
May 20, 1913
Creator:
Brown, James R.
System:
The Portal to Texas History
Apparatus for Cooling Water.
Patent for a water-cooling apparatus composed chiefly of a subterranean cistern and a water-supply source.
Date:
May 20, 1901
Creator:
William J. Dossey
System:
The Portal to Texas History
Automatic voltage-imbalance detector
A device is described for indicating and preventing damage to voltage cells such as galvanic cells and fuel cells connected in series by detecting sequential voltages and comparing these voltages to adjacent voltage cells. The device is implemented by using operational amplifiers and switching circuitry is provided by transistors. The device can be utilized in battery powered electric vehicles to prevent galvanic cell damage and also in series connected fuel cells to prevent fuel cell damage.
Date:
May 20, 1981
Creator:
Bobbett, R. E.; McCormick, J. B. & Kerwin, W. J.
System:
The UNT Digital Library
Boiler-Skimmer
Patent for a boiler-skimmer that assist in preventing external pressures from collapsing the float values. These type of boilers are used in steam locomotives.
Date:
May 20, 1919
Creator:
Schreiber, Norbert
System:
The Portal to Texas History
Camera Attachment
Patent for a camera attachment.
Date:
May 20, 1913
Creator:
Moine, Selest E.
System:
The Portal to Texas History
Collapsible Rim.
Patent for new and useful improvements related to demountable rims that are collapsible. This improvement facilitates the removal of a tire in an easier and expeditious manner.
Date:
May 20, 1919
Creator:
King, Willis C.
System:
The Portal to Texas History
Composition of Matter to be Introduced into the Inner Tubes of Pneumatic Tires for Rendering the Tires Puncture-Proof.
Patent for a mixture of dextrin, asbestos, magnesia, glycerin, wood alcohol and water that is introduced into tire tubes to prevent and seal tire punctures.
Date:
May 20, 1913
Creator:
Causey, Thomas S.
System:
The Portal to Texas History
Cotton-Seed-Meal Heater
Patent for improvements to cotton-meal heaters "to provide means to communicate as much heat as possible to the meal contained in the heater in as short a time as possible, and to retain the heat in the meal until it has all been used in forming the cakes" (lines 18-22).
Date:
May 20, 1890
Creator:
Price, James Sterling
System:
The Portal to Texas History
Dental Plate
Patent for an improved dental plate design that fits better in the mouth of the user and allows for easier speaking and eating.
Date:
May 20, 1919
Creator:
Glaser, Adolph J.
System:
The Portal to Texas History
Electric Bath-Brush
Patent for improvements to an electric brush so that it is "exceedingly effective in its operation and at the same time simple in construction, combining lightness with durability, and securing the best results medicinally to the user. A further object consists in providing a construction whereby the entire brush may be dismantled, so as to obtain access to the interior when necessary, and to permit of the brush being used as an ordinary bath-brush by simply removing the batteries" (lines 15-25).
Date:
May 20, 1890
Creator:
Williams, Robert E.
System:
The Portal to Texas History
Eyeglasses.
Patent for eyeglasses that builds upon the inventor's previous patent, No. 654,523, and utilizes a set of nose pieces, lenses, and springs to improve upon existing eyeglasses technology.
Date:
May 20, 1902
Creator:
Critzer, Augustus B.
System:
The Portal to Texas History
Farming Implement
Patent for a farming double plough. This increased a farmers ability to break up the soil and increase productivity.
Date:
May 20, 1919
Creator:
Raun, George
System:
The Portal to Texas History
Feed Mixer
Patent for refinements in feed mixer technology.
Date:
May 20, 1913
Creator:
Dixon, Elbert S. & Werner, Henry E.
System:
The Portal to Texas History
Fence.
Patent for a new and improved fence. This design "ha[s] its rails arranged diagonally to the line of fencing, consisting of the double end posts, bound together at their upper ends by means of the crown-wire . . . the intermediate single posts, the horizontal rails having their ends alternately lapping the inner and outer sides of the said single posts, the transverse blocks, interposed between the respective rails, and the top rails bound to the single posts by means of the wire loops" (lines 78-88).
Date:
May 20, 1884
Creator:
Ford, Benjamin Franklin
System:
The Portal to Texas History
Fertilizer-Distributer.
Patent for a fertilizer-distributer with "means for agitating and loosening up the fertilizing material and delivering the same through a series of discharge-openings, such series extending transversely of the path of movement of the machine across the field and controlled by individual and independently-operable feed slides or gates, whereby the machine may be used for simultaneously fertilizing adjoined furrows or as a broadcast fertilizer-distributer" (Lines 12-21).
Date:
May 20, 1902
Creator:
Mize, William P.
System:
The Portal to Texas History
Folding Car-Step
Patent for "new and useful Improvements in Folding Car-Steps" (lines 5-6) to facilitate easier passenger boarding of rail cars, including instructions and illustrations.
Date:
May 20, 1913
Creator:
Mayhew, Edwin B.
System:
The Portal to Texas History
Funnel
Patent for a funnel designed to fill various containers.
Date:
May 20, 1913
Creator:
Kott, Arthur O.
System:
The Portal to Texas History
Hame Fastener.
Patent for a new and improved hame fastener. This design consists, "with the bar provided with a rack and longitudinal ways, of the housing provided at each end with downwardly and inwardly projecting lugs engaging said ways, and a spring provided with a stop, the link seated in a groove on the housing provided with a finger-hold, and an offset on said link adapted to strike against a projection on the spring for limiting the movement of said link" (lines 64-73).
Date:
May 20, 1890
Creator:
Anderson, Lee
System:
The Portal to Texas History
Improvement in Cotton-Gin-Saw Cleaners.
Reissued patent for "a device for quickly cleaning the saws of cotton-gins when they become gummed. It consists in a series of knives that are supported by a movable bar or frame, and may be thrust between the saws when the same are to be cleaned (para. 4-5).
Date:
May 20, 1879
Creator:
Munger, Robert S.
System:
The Portal to Texas History
Improvement in Cotton-Worm Destroyers.
Patent for "a new machine for removing the destructive cotton-worms from the cotton-plants without injury to the plants, and for destroying the worms," which "consists in the arrangement of a movable frame, which is by animals drawn over the fields to straddle the rows of cotton, and which is provided with brushes for sweeping the worms from the plants, and with jointed bottom pieces or slides, which crush them on the ground." (Lines 15-25) Includes instructions and illustrations.
Date:
May 20, 1873
Creator:
Helm, Jackson
System:
The Portal to Texas History
Improvement in Hair-Triggers for Fire-Arms.
Patent for "an improved trigger for fire-arms which shall be provided with a hair-trigger in such a way that the hair-trigger may be used or not, as may be desired, which shall be complete in itself, so that it may be applied to any kind of fire-arm without change in its construction" (lines 17-23), includes illustrations.
Date:
May 20, 1879
Creator:
Toepperwein, Emil A. F.
System:
The Portal to Texas History
Improvement in Jack-Screws and Clamps Combined.
Patent for an invention "to combine a jack-screw or lifting-jack with a clamp, so that they may be interchangeably used." (Lines 19-21) Includes instructions and illustrations.
Date:
May 20, 1873
Creator:
Jackson, Thomas R.; Jackson, Asberry C. & Watson, Claudius S.
System:
The Portal to Texas History
Improvement in Medical Compounds or Bitters for Treating Chills and Fever.
Patent for a new medical compound to treat chills and fevers which lists the ingredients and dosages.
Date:
May 20, 1873
Creator:
Owens, Thomas B.
System:
The Portal to Texas History
Improvement in Saw-Cleaning Attachments for Cotton-Gins.
Patent for a "new and useful Saw-Cleaning Attachment for Cotton-Gins" (lines 3-4) including illustrations.
Date:
May 20, 1879
Creator:
Mulkey, George H.
System:
The Portal to Texas History