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Degree Department

53 Matching Results

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Process of Heating Oil-Retorts and Apparatus Therefor. (open access)

Process of Heating Oil-Retorts and Apparatus Therefor.

Patent for "a method of securing even heating of oil retorts and the like throughout their length" and "a new apparatus, particularly intended for the heating and cracking of oils to convert the same into pyrolytic products". The invention may be used for any oil converting retort, but the patent description relates to the production of gasoline.
Date: August 16, 1921
Creator: Alexander, Clive M.
System: The Portal to Texas History
Rock-Drill (open access)

Rock-Drill

Patent for a rock drill design for quick drilling.
Date: August 16, 1921
Creator: Alford, Allen
System: The Portal to Texas History
Weighing Machine (open access)

Weighing Machine

Patent for a weighing machine. Illustration included.
Date: August 16, 1910
Creator: Allison, Joseph W.
System: The Portal to Texas History
Steam Engine Governor. (open access)

Steam Engine Governor.

Patent for a new and improved steam-engine governor. This design consists in "the combination, with the valve-stem and governor-balls, of a lever connected with the said valve-stem, a weighted lever connected with the said valve-stem lever, a piston-rod connected with the said weighted lever, a piston attached to the said piston-rod, and a small cylinder in which the said piston operates, and which is connected at one end with the interior of the steam-chest" (lines 93-102).
Date: August 16, 1887
Creator: Arnold, Eliphalet L.
System: The Portal to Texas History
Bee-Shipping Cage (open access)

Bee-Shipping Cage

Patent for transferring bees to a different hive without injury and preventing bees from escaping. The bee-cage offers different ways to transfer the bees.
Date: August 16, 1921
Creator: Ault, Eugene B.
System: The Portal to Texas History
Doubletree Attachment (open access)

Doubletree Attachment

Patent for a doubletree attachments. Illustration included.
Date: August 16, 1910
Creator: Ball, William Rossem
System: The Portal to Texas History
Fountain Brush. (open access)

Fountain Brush.

Patent for the improvement of fountain brushes. The brush would be in the shape of a pencil which would stop ink or dye from spreading on fabric.
Date: August 16, 1921
Creator: Bates, William P.
System: The Portal to Texas History
Water-Motor. (open access)

Water-Motor.

Patent for a more powerful and efficient water motor which is durable and comparatively affordable to manufacture.
Date: August 16, 1921
Creator: Brady, Enoch J.
System: The Portal to Texas History
Bicycle-Gearing. (open access)

Bicycle-Gearing.

Patent for "gearing for bicycles, and has for its object to furnish a train of gearing for the connection of the treadles with the rear wheel of a bicycle, whereby the usual sprocket-and-chain gearing may be dispensed with." (lines 7-12).
Date: August 16, 1898
Creator: Brown, Wilson
System: The Portal to Texas History
Metal-Working Device. (open access)

Metal-Working Device.

Patent for a hand-operated device that bends and shears metal at any desired angle and length.
Date: August 16, 1921
Creator: Bussel, H.
System: The Portal to Texas History
Sash Balance (open access)

Sash Balance

Patent for a sash balance in a window frame.
Date: August 16, 1892
Creator: Cayce, Henry P.
System: The Portal to Texas History
Hoe. (open access)

Hoe.

Patent for a hoe with "a colter shank at the oval top, affording means whereby the hoe may clear itself from large branching weeds, which is frequently a trouble met with in using hoes having a shank in the center."
Date: August 16, 1921
Creator: Clark, James Robert.
System: The Portal to Texas History
Cotton Gin Saw Cleaner (open access)

Cotton Gin Saw Cleaner

Patent for a cotton gin saw cleaner. This invention is designed to clean cotton from gin saws. Illustration included.
Date: August 16, 1904
Creator: Clark, Joseph Y.
System: The Portal to Texas History
Explosive Engine (open access)

Explosive Engine

Patent for a type of internal combustion engine using gunpowder as its fuel.
Date: August 16, 1912
Creator: Conner, Louis C.
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design consists "of a draw-head, a depending hook pivotally mounted therein, a transverse pin arranged on the bottom of the mouth of the draw-head and provided intermediate its ends with a notch to permit the passage of the lower end of the hook, a spring for holding the notch away from the hook, and means for sliding the pin to bring the notch opposite the hook" (lines 83-91).
Date: August 16, 1892
Creator: Davis, William Haywood
System: The Portal to Texas History
Improvement in Gun-Locks. (open access)

Improvement in Gun-Locks.

Patent for "a novel application of hair-trigger catch to the main trigger, which operates together with a holder and separate springs." (Lines 30-33) Includes instructions and illustrations.
Date: August 16, 1870
Creator: Deutz, Joseph
System: The Portal to Texas History
Projectile (open access)

Projectile

Patent for Projectile. "The present invention relates to projectiles and has particular reference to a shell which is adapted to be fired from a gun to penetrate the object aimed at and subsequently explode therein. An important object of the invention is to provide a projectile of the above mentioned character, so constructed so that the same will have a high armor penetrating efficiency and a very large explosive material carrying capacity, whereby the explosion of the shell subsequently to its penetration into or through the armor will be very disastrous" (lines 9-22).
Date: August 16, 1912
Creator: Douglas, William M.
System: The Portal to Texas History
Work Holder (open access)

Work Holder

Patent for a work holder. The invention provides adjustable jaws to clamp the work in position. Illustrations included.
Date: August 16, 1904
Creator: Eichblatt, Otto H.
System: The Portal to Texas History
Improvement in Cotton Choppers (open access)

Improvement in Cotton Choppers

Patent for improvement in cotton choppers creating a more effective machine relating to the cultivating and chopping of cotton. Includes labeled figures and descriptive text
Date: August 16, 1873
Creator: Garrett, Joseph M.
System: The Portal to Texas History
Device for Controlling Runaway Horses. (open access)

Device for Controlling Runaway Horses.

Patent for a new and improved device for controlling runaway horses. This design has for its object "to construct an apparatus whereby such a pressure may be applied by the rider or driver of the animal in connection with which the apparatus is employed, the invention consisting of pads that are supported by lever-arms pivotally connected to a bit, and of a means whereby said pads may be moved toward each other—that is, to a position so that they will bear upon the outer nostril-wall . . . [since horses] may be quickly subdued by bringing continued pressure to bear upon their noses" (lines 9-21).
Date: August 16, 1887
Creator: Grumbach, Isaïe
System: The Portal to Texas History
Railroad-Rail. (open access)

Railroad-Rail.

Patent for a new and useful railroad rail, including instructions and illustrations.
Date: August 16, 1898
Creator: Hariman, George V.
System: The Portal to Texas History
Stamp Affixer (open access)

Stamp Affixer

Patent for
Date: August 16, 1910
Creator: Harwell, Marvin E.
System: The Portal to Texas History
Draw Bar for Locomotives. (open access)

Draw Bar for Locomotives.

Patent for a new and improved draw-bar for locomotives. This design consists, "with the frame of the locomotive and pilot mounted thereon, of the draw-bar connected to the frame, devices for locking and holding the draw-bar on the pilot, and a counter-weight for automatically elevating the draw-bar when released" (lines 97-102).
Date: August 16, 1892
Creator: Heidelberg, Samuel H.
System: The Portal to Texas History
Game Apparatus. (open access)

Game Apparatus.

Patent for a certain new and useful improvement in game apparatus, including instructions and illustrations.
Date: August 16, 1898
Creator: Hutches, Benjamin F. Jr.
System: The Portal to Texas History