13 Matching Results

Search Results

Results: 1 - 13

Lifting-Jack.

Description: Patent for a lifting jack that releases automatically when the lever is pulled down, is easy to operate, and is powerful.
Date: March 26, 1907
Creator: Yeager, Ernest Curtis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trace Carrier.

Description: Patent for a new and improved trace carrier. This design "consists in a frame having an oblong slot . . . for the passage of the back-band, and which has the trace-hook formed as a portion of it, in combination with a pivoted triangular-shaped bar or bars, which are loosely connected to the frame, and which close in the oblong opening . . . to clamp or hold the back-band . . . to provide a buckle and back-band hook which can be attached to either a cloth or leather back-band by frictional conta… more
Date: March 12, 1889
Creator: Clark, Alexander E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railway-Crossing

Description: Patent for crossings for railway tracks and particularly to means for closing the cut in the rails made for the flanges of the wheels, and the object is to provide sliding members which can be easily operated to close the slot or cut in the crossing rails for the flanges of the wheels so that a continuous tread will be formed for every wheel that passes over the crossing and to provide a mechanism for the tracks.
Date: March 30, 1909
Creator: Adams, Powell O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton Stalk Puller.

Description: Patent for a new and improved cotton stalk puller. This design utilizes "[a] pulling-wheel having radial jaws that are opened and closed by cam devices" when "[i]t is driven astride the [cotton] row, and will be found to operate rapidly and with absolute certainty. It is simple, durable, and may be constructed at a very small expense" (lines 79-84).
Date: March 15, 1881
Creator: Wilson, John C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Attachment for Harrows

Description: Patent for attachment of harrows that facilitate the use of harrows in pilling cotton stalks. This device allows the harrows to be in continuous motion creating efficiency in cotton pilling.
Date: March 11, 1913
Creator: Taylor, David T. & Barker, Felix
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for Cotton Chopper. To help in the aid of chopping cotton instead of using a hoe.
Date: March 1, 1921
Creator: Wilson, William J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Deep Well Pump.

Description: Patent for a new and improved well pump. This design consists in "the timber bed arranged on the bottom of the well, in combination with two superposed metallic cylinders connected by a stock, said stock being provided at the bottom with inwardly-turned flanges made fast to said bed" (lines 55-60).
Date: March 22, 1887
Creator: Clark, Alexander Evans
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cattle-Guard

Description: Patent for a cattle guard for use at railroad tracks incorporating a depressible platform connected to a closing mechanism which will impede movement of cattle across the track, but allow for unobstructed movement at other times.
Date: March 20, 1906
Creator: Richter, Fred Otto & Richter, Gustav Adolph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen