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in subjects: "Business, Economics and Finance"  
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Water-Power.

Description: Patent for a water-power. It consists of a dam built halfway across a stream, a power-house with its upper end closed and inclined towards the upstream, gated inlet openings on the side of the power-house, gates that control the inlet openings, and a water-wheel on the stream side of the power-house.
Date: December 4, 1894
Creator: Vernon, William E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ventilating-Flue.

Description: Patent for ventilating-flue made from sheet-metal tubes, and "can be placed in any building without necessitating making the same in one length, the sections being constructed so as to be readily adjusted on each other" (lines 12-15).
Date: December 4, 1894
Creator: Lange, Fritz
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Main Slide-Valve and Throttle-Valve for Steam-Engines.

Description: Patent for a simple main slide-valve and throttle-valve for steam-engines. The throttle valve is a flat plat and slides in a channel between the valve seat and the cylinder head. The twin engine cylinders are horizontally placed at the same height as the throttle valve. The main slide valve "affords a complete and superior valve mechanism for a quick speed steam engine" (lines 29-30).
Date: December 4, 1894
Creator: Devoissaud, John P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydraulic Pressure and Time Indicator

Description: Patent for hydraulic pressure and time indicator for "recording the times when hydraulic cylinders are in operation and to indicate when the cylinders commence work or reach the required pressure" (lines 10 - 14).
Date: December 24, 1918
Creator: Helm, Clyde D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Support for Cutter-Heads.

Description: Patent for a support for cutter-heads that allows the operator to easily sharpen, dress, and treat the bits or cutters of the head. It has a spindle that turns and slides in a bearing and supports a cutter-head a pin in the spindle that is seated inn the grooves in the bearings, and a spring loaded bolt in the end of the spindle.
Date: December 4, 1894
Creator: Kendig, Andrew
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gas-Compressing Pump.

Description: Patent for a gas-compressing pump used in refrigeration and ice making. "The object of [the] invention is to reduce the height of a vertical machine, to facilitate access to the parts and relieve the foundation of strains; to reduce to a minimum the angularity of the connecting rod during the latter part of the stroke, and to improve various details of construction" (lines 19-25).
Date: December 4, 1894
Creator: Farnsworth, Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combined Engine and Superheater Apparatus.

Description: Patent for a "combined steam superheater apparatus and engine driven thereby, which in turn is utilized to automatically shift the steam feeding and cut off devices, and such invention primarily has for its object to provide a combined mechanism of this character which will effectively operate for its intended purposes" (lines 7-14). It also requires a minimal amount of effort to operate, sifts solids out of the water, and retains heat.
Date: December 25, 1894
Creator: Walker, James C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Building Tile.

Description: Patent for "hollow blocks" or "tile and hollow corner blocks" that "prevent moisture from passing through walls" (lines 10-14).
Date: December 31, 1918
Creator: Bennett, Walter R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combined Shoot-Board and Squaring-Box.

Description: Patent for a combined shoot-board and squaring-box meant to square and shave "the edges of stereotype and other printing plates; ant to this end the invention contemplates a device of this character that will be of an exceedingly simple and comparatively inexpensive construction, while at the same time providing for an easy and accurate manipulation of the plates being operated upon" (lines 10-17).
Date: December 18, 1894
Creator: Owen, Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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