272 Matching Results

Search Results

Results: 1 - 24 next

Utilization of Acid-Coke

Description: Patent for the utilization sulfuric acid in the creation and uses of acid-coke.
Date: January 7, 1919
Creator: George L. Pichard
Partner: UNT Libraries Government Documents Department

Wire-Winding Machine

Description: Patent for a wire winding machine for making well screens.
Date: August 20, 1912
Creator: Eastham, Albert Lindsay
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a wrench. Illustration included.
Date: May 16, 1905
Creator: Baldwin, Thomas J.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for wrench related device "for locking the gripping element after it is applied to the pipe or other pipe (lines 14-15)" including instructions and illustration.
Date: October 19, 1915
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

Viscoscometer.

Description: Patent for a device that accurately determines the viscosity of different liquids, particularly oils, and is able to be kept at a uniform temperature.
Date: June 13, 1916
Creator: Lorenz, Charles O.
Partner: UNT Libraries Government Documents Department

Variable-Speed-Transmission Gearing.

Description: Patent for an improved transmission gearing that provides "variable speed transmission gearing" (line 10) which allows for different forward and reverse speeds, including illustrations. The variable speed transmission gearing is designed primarily for automobiles and motor vehicles.
Date: October 5, 1915
Creator: Maschek, Henry
Partner: UNT Libraries Government Documents Department

Trunk-Strap Fastener.

Description: Patent for a device "whereby a trunk-strap after having been tightly drawn around a trunk or other article of baggage can be fastened without the use of the usual buckle," (lines 10-14) including instructions and illustrations.
Date: December 15, 1891
Creator: Webb, William James
Partner: UNT Libraries Government Documents Department

Trunk-Strap Fastener.

Description: Patent for an improved trunk fastener "whereby a strap after having been tightly drawn around a trunk or other article of baggage can be fastened without the use of the usual buckle" (lines 13-16). It consists of a hook-securing mechanism that holds the buckle at one end, an opposite toothed beveled clamping-face, a swinging lever with opposite arms that is connected with the fixed mechanism, a beveled clamping-face between the arms, and a lever that clamps the strap between the beveled clampin… more
Date: November 8, 1892
Creator: Webb, William James
Partner: UNT Libraries Government Documents Department

Improvement in Windmills

Description: Patent for the improvement of wind mills, that includes a detailed description as well as labeled figure drawings.
Date: May 20, 1873
Creator: Jackson, Thomas R.
Partner: UNT Libraries Government Documents Department

Valve-Operating Mechanism

Description: Patent for Valve Operating Mechanism that includes "new and useful improvements" (lines 5-6), and "has for its primary object to provide a simple and efficient means for operating a valve at a distance" (lines 10-12).
Date: September 10, 1918
Creator: Baurens, Jean Marie, Jr.
Partner: UNT Libraries Government Documents Department

Lubricating Appara

Description: Patent for a lubricating apparatus used for internal combustion engines, whereby the lubricant or oil is forced, as by a pump, to a distributing tank containing oil under predetermined pressure, and from said tank permitted to drop by gravity or flow under pressure, as desired, to the elements of the engine to be lubricated.
Date: December 12, 1916
Creator: Shaw, Robert J.
Partner: UNT Libraries Government Documents Department

Well-Drilling Rig.

Description: Patent, including illustrations, for "an improved well drilling rig or apparatus" which provides "a simple, efficient, and practical machine of this kind including revoluble means having a device operatively connected to a walking beam (from which a drilling tool is suspended), so that upon every complete revolution of the revoluble means, the drilling tool or bit will be given two direct drops, each alternating with the lifting movement of the drill bit" (page 1, lines 11-21).
Date: February 3, 1920
Creator: Bradford, Robert M.
Partner: UNT Libraries Government Documents Department

Well Screen.

Description: Patent for a well screen device. The device can keep particulates out of the well water while also restricting water to flow into the well without being released back into the soil.
Date: February 1, 1921
Creator: McLean, Marrs
Partner: UNT Libraries Government Documents Department

Water-Heater.

Description: Patent for a water heater for use in creating steam for oil and gas boilers, which heats faster than previous models.
Date: April 5, 1910
Creator: Hardie, Jeffie Watkins
Partner: UNT Libraries Government Documents Department

Water-Wheel

Description: Patent for a water wheel adapted for use in running machinery such as pumps. It uses a series of connected buckets mounted to turn on an axle, alternately charging the buckets with water.
Date: January 30, 1912
Creator: Verde, Giuliano
Partner: UNT Libraries Government Documents Department

Wave Motor

Description: Patent for an improvement to wave motors, intended to use "the force of waves as motive power for operating machinery" (lines 9-10).
Date: July 11, 1911
Creator: Ford, William W.
Partner: UNT Libraries Government Documents Department

Log-Hauling Locomotive.

Description: Patent for certain new and useful improvements in log hauling locomotives, including instructions and illustrations.
Date: June 7, 1898
Creator: Fletcher, William Andrew
Partner: UNT Libraries Government Documents Department

Lubricator

Description: Patent for a lubricator used for lubricating graphite that is utilized in air brake systems. Illustrations included.
Date: October 5, 1909
Creator: Turner, William Orris
Partner: UNT Libraries Government Documents Department

Well-Bailing Apparatus

Description: Patent for specifications of Well Bailing Apparatus.
Date: August 27, 1907
Creator: Carroll, Monroe W.
Partner: UNT Libraries Government Documents Department

Lightning-Protecting System for Oil-Tanks.

Description: Patent for an improved system that is used for protecting oil tanks from getting struck by lightning and can get put on existing structures to ground them. The patent includes instructions and an illustration.
Date: March 14, 1916
Creator: Gunthorpe, Charles Henry
Partner: UNT Libraries Government Documents Department

Building-Block.

Description: Patent for building block that is easily formed or molded. The building block forms tiers to easy move around and modify.
Date: February 1, 1921
Creator: Pace, Vara L.
Partner: UNT Libraries Government Documents Department

Log-Loading Mechanism.

Description: Patent for a machine that hauls and loads logs upon cars from either side of the track, or both sides at once. The machine can easily be transported on a car. The machine "consists, essentially, in a platform of about the length of an ordinary log-car and of a height and width to enable it to span the same, mounted upon which are a steam engine and a boiler and a rotating crane, said platform being provided with pivoted legs for holding it above the track, with pivoted legs for holding it above… more
Date: April 14, 1896
Creator: Fletcher, William Andrew
Partner: UNT Libraries Government Documents Department

Log-Loader.

Description: Patent for improvements in a machine that hauls logs and loads them on railways, based on a patent application submitted by the inventor previously (serial no. 563,242). A swinging crane loads and unloads the logs.
Date: August 11, 1896
Creator: Fletcher, William A.
Partner: UNT Libraries Government Documents Department

Log-Carrier.

Description: Patent for a log-carrier with an improved construction from a previous patent (No. 539,380). Improvements include a change in "the angle of strain of the draft-chain as the lever approaches the horizontal position...when the load is elevated" (lines 34-37). It also maintains "a uniform leverage without the use of guide-rollers or other means" (lines 54-56), and balances the sliding tongue so that "the team is relieved of the weight thereof" (line 62).
Date: December 8, 1896
Creator: Carroll, Joseph Alexander
Partner: UNT Libraries Government Documents Department
Back to Top of Screen