UNT Libraries Government Documents Department - 134 Matching Results

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Well Digging Machine.

Description: Patent for a new and improved well-digging machine. This design "consists in connecting to the bottom of [a] shaft a gang of plows, which effectually break and cut up the earth, and combing therewith a fixed and inclined shear-blade and detachable earth-receiver, the said shear-blade being located in the rear of the plows, for raising the earth from the motion of the plow, and delivering it automatically into the detachable earth-receiver, which is raised to the surface with its load by means o… more
Date: February 6, 1883
Creator: Chambers, Job C. & Chambers, Silas
Item Type: Refine your search to only Patent

Power Stand.

Description: Patent for a new and improved power-stand. In this design, "a single pulley is mounted upon a stand, the shaft of said pulley bearing at each end, outside of the stand, one part of a friction or other clutch, which may be engaged with or disengaged from the corresponding part of a clutch attached to the shaft of a machine" (lines 13-19).
Date: February 2, 1886
Creator: Hetherington, Johnathan S.
Item Type: Refine your search to only Patent

Book Adjuster.

Description: Patent for a new and improved book-adjuster. This design consists in "[t]he combination, with the holder having the horizontal longitudinal recess and the vertical screw-threaded aperture, of the base-piece, the adjusting-screw swiveled at its lower end in the said base-piece, and the spring-catch" (lines 3-8).
Date: February 8, 1887
Creator: Adair, Irvine James
Item Type: Refine your search to only Patent

Electrical Fare-Box.

Description: Patent for device "to improve the illumination and increase the efficiency and subserviency of street-care fare-boxes. To these ends the source of light is located in the interior of the box, instead of being placed in a separate chamber at the outside of the box, as is now done, and electrical agency is utilized to produce the light and also to notify the driver that a passenger requires change and when a fair has been deposited in the box" (lines 8-17).
Date: February 8, 1887
Creator: Crowdus, Walter A.
Item Type: Refine your search to only Patent

Current Regulator for Dynamo Electric Machines.

Description: Patent for a new and improved current regulator. This design "pertains to that class of regulators in which the collecting brushes of the commutator are automatically moved around the commutator and caused to occupy different positions relatively to the maximum lines of the magnetic field between the poles and the armature; and it embraces a novel method of controlling the movement of the brushes to compensate for variations in the speed of the machine and regulate the current in accordance wit… more
Date: February 14, 1888
Creator: Crowdus, Walter A. & Sutton, Henry M.
Item Type: Refine your search to only Patent

Saw Jointer.

Description: Patent for a new and improved saw jointer. This design consists, "with a casing having an opening in the longitudinal center of one of the sides, of a movable block fitted in the casing back of the opening, said block having a groove therein opposite the opening, and an adjustable screw extending through the casing into the block and adapted to regulate the position of the block" (lines 84-91).
Date: February 4, 1890
Creator: Randall, James Edwin
Item Type: Refine your search to only Patent

Ruler.

Description: Patent for a new and improved ruler. This design consists in "the combination of the flexible top piece or strip having parallel longitudinal ruling-edges and the separate tapering feet secured to the underside of said strip at suitable distances apart throughout the length of the latter, and with the ruling-edges of the top strip overlapping them" (lines 43-50).
Date: February 11, 1890
Creator: Matthews, Oscar S.
Item Type: Refine your search to only Patent

Shaft-Tug.

Description: Patent for an improvement of harness and shaft-tugs by providing a sleeve to fit the tug closely, a bolt to secure the tug and a strap clamps to the shaft; for the purpose of limiting the movement of the tug. Illustration is included.
Date: February 3, 1891
Creator: Davies, Thomas William & Downey, George Marshall
Item Type: Refine your search to only Patent

Furnace.

Description: Patent for improvements in furnaces. Patent for "a new and improved design for furnaces for returning smoke and gas to the ash pit" (lines 11-13) including instructions and illustrations. Patent for a new furnace design, including illustrations.
Date: February 7, 1893
Creator: Keene, Milton Walter & Henkle, Louis R.
Item Type: Refine your search to only Patent

Grain-Planter.

Description: Patent for an inexpensive, simple, and durable grain planter that plants large grains like corn, peas, and wheat. The improved machine is perfectly timed and does not crush the seeds.
Date: February 7, 1893
Creator: Yarbrough, Orceneth Fisher
Item Type: Refine your search to only Patent

Waffle-Iron.

Description: Patent for a waffle iron that can be operated by placing it on a stove-top. It "consists in a base, a yoke pivoted thereto and swinging in vertical plane, and the molding and cooking irons carried by the yoke" (lines 15-18).
Date: February 14, 1893
Creator: George, Alexander B.
Item Type: Refine your search to only Patent

Automatic Railway-Gate.

Description: Patent for an automatic railway gate that consists of a picket shaft under the rails, cranks between the rails that are connected to the picket shaft, springs holding the shaft, tread rails that run along the rails and join the cranks, and guide blocks along each tread rail.
Date: February 13, 1894
Creator: Warren, Governor D.
Item Type: Refine your search to only Patent

Lattice.

Description: Patent for a simple, strong, and economic lattice that is meant for use in jail cells. It allows air and light into the cell, and they are formed with "alternately opposite depressions and elevations for the reception of the bars running at right angles thereto" (lines 12-24). It should have alternating bars of steel and iron.
Date: February 5, 1895
Creator: Hull, William S.
Item Type: Refine your search to only Patent

Artificial Leg.

Description: Patent for an artificial leg that has an improved ankle joint and a socket for the stump. It is also more comfortable than other artificial legs.
Date: February 12, 1895
Creator: Chapman, Edward
Item Type: Refine your search to only Patent

Boiler-Cleaning Compound.

Description: Patent for a boiler-cleaning compound made up of "an improved compound having sodium hydrate for a base, and having certain subordinate ingredients whereby its efficiency is increased, and whereby the action of the sodium hydrate is so modified that no detriment to the boiler iron will result" (lines 10-16).
Date: February 19, 1895
Creator: Hill, Martin L.
Item Type: Refine your search to only Patent

Car-Door.

Description: Patent for "an improved freight car door so supported that it will not be shaken or jarred off and can be easily opened and closed at all times no matter how heavily loaded the car may be." (Lines 16-20) Includes instructions and illustrations.
Date: February 26, 1895
Creator: Allen, Thomas C.
Item Type: Refine your search to only Patent

Well-Drilling Apparatus.

Description: Patent for a well-drilling apparatus for boring Artesian and other wells. It is meant to "provide simple, efficient, and durable means for expanding or spreading the reamer-blades after the bit-carrying devices have been lowered sufficiently to arrange the reamer-blades below the plane of the lower end of the tubular drill-rod" (lines 10-17). Water pressure is also used to remove the cuttings from the boring-blades. Sections of cable that suspend and lower drill-bit carrying parts into the dril… more
Date: February 18, 1896
Creator: Horton, Stephen A.
Item Type: Refine your search to only Patent

Whip-Holder.

Description: Patent for a whip holder that locks the end of the whip into the holder, and lap-robes and other similar articles can also be held in the invention so they cannot be stolen.
Date: February 9, 1897
Creator: Reeves, Fountain O.
Item Type: Refine your search to only Patent
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