UNT Libraries Government Documents Department - 74 Matching Results

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Improvement in Apparatus for the Manufacture of Gas from Oils.

Description: Patent for "machines for the manufacture of gas from oils, benzine, gasoline, &c.; and it consists in providing the tank or cistern with a retort constructed with an outer cylinder surrounding one or more cylinders or tubes, which inner cylinder is provided with perforated plates at the top and bottom thereof, and the space between said plates filled with sponge or other porous material, while the space or chamber between the inner and outer shell of the retort serves as a mixing-chamber for th… more
Date: June 18, 1872
Creator: Gearing, Charles & Gearing, Franklin A. G.
Item Type: Refine your search to only Patent

Improvement in Axles for Vehicles

Description: Patent for "an Improvement in Wagon-Axle Skeins" that "has for its object to furnish an improved iron axle for wagons and other vehicles which shall be stronger without being heavier than iron axles made in the ordinary manner."
Date: July 2, 1872
Creator: Ahrenbeck, Charles
Item Type: Refine your search to only Patent

Improvement in Bailing-Presses.

Description: Patent for an improved bailing press consisting of "a novel arrangement of levers, connecting-bars, and cords, in combination with the follower and windlass, whereby the follower is worked in the downward direction for pressing, and in the opposite direction for elevating it to recharge the press, by the said windlass" (lines 5-11).
Date: January 2, 1872
Creator: Randolph, Jeremiah
Item Type: Refine your search to only Patent

Improvement in Blow Offs For Boilers

Description: Patent for Improvement in Blow Offs For Boilers provides details of the construction of the blow off device with two labeled Figures and descriptive text. Also includes the significance of the blow off device and how it will improve locomotive travel by conserving water.
Date: September 10, 1872
Creator: Husted, Esbon Forrest
Item Type: Refine your search to only Patent

Improvement in Brick-Machines.

Description: Patent for the improvement of brick-machines, consisting in the arrangement, with the molds, of one or more valves of flood-gates in the bottom of the pugmill, for the purpose of controlling the flow of the clay into the molds, and a roller and knife upon each side of the mill for pressing the clay into the molds and dressing the tops of the bricks. It includes a description and illustration.
Date: July 16, 1872
Creator: Houghton, Gideon H.
Item Type: Refine your search to only Patent

Improvement in Buckles.

Description: Patent for improvement in buckles by providing “with two two tongues on the same pivot, and with a guard for securing the same and the straps in position, thereby producing a simple and reliable means of connecting two straps.” (Lines 6-10) Illustration is included.
Date: June 18, 1872
Creator: Hardeman, Jerome B. R.
Item Type: Refine your search to only Patent

Improvement in Button-Hole Scissors.

Description: Improved Button Hole scissors, where the scissors may be "adjusted vertically for suitable Cutting Hole length"(pg 2). The scissors have a "v-shaped" button hole cutter that can be adjusted to pierce the fabric at a desired depth and a tracing wheel.
Date: February 27, 1872
Creator: Franklin, Edward A.
Item Type: Refine your search to only Patent

Improvement in Car-Trucks.

Description: Patent for the improvement of car-trucks, consisting in the arrangement of each wheel of a car-truck upon the outer end of a separate short axle, the bearings of each axle being both located on the inner side of the wheel and the bearing at the inner end of the axle provided with a sliding-box and springs. It includes a description and illustration.
Date: July 9, 1872
Creator: Onley, Joseph
Item Type: Refine your search to only Patent

Improvement in Chairs.

Description: Patent for improvements in chairs: "the back, seat, foot rest, and head rest are all self adjusting, and operated by the natural movements of the occupant" (lines 11-13).
Date: April 16, 1872
Creator: Haupt, William W.
Item Type: Refine your search to only Patent

Improvement in Churns.

Description: Patent for improvement in churns by using an oblong box with a diamond-shaped dash fixed in the box. The churning is done by rapidly swing the box back and forth until butter is obtained. Illustration is included.
Date: October 8, 1872
Creator: Cottingham, Gideon W.
Item Type: Refine your search to only Patent
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