UNT Libraries Government Documents Department - 3,212 Matching Results

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Wrecking-Frog.

Description: Patent for "an improved frog for use in placing derailed cars or locomotives upon the rails, exceedingly simple and durable in construction, and formed substantially in one piece - that is, not in sections - and having improved means to lock the frog to the rail." (Lines 17-22) Includes instructions and illustrations.
Date: March 29, 1892
Creator: Wilmore, William Henry
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a simple, inexpensive and efficient wrench device, which is "capable of extracting nails and of being used as a screw-driver without interchanging any of the parts or substituting one part for another" (line 14 - 17).
Date: May 3, 1898
Creator: Weiss, Martin
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a nut-wrench capable of tightening different sized nuts. The lower jaw of the wrench has different levels, the overall effect being that of a staircase, while the upper jaw is flat with a bite that holds the nuts in place.
Date: December 15, 1896
Creator: Tiner, John F.
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for "removable-jaw wrenches which can be converted into a pipe or monkey wrench at will." (Lines 12-14) Includes instructions and illustrations.
Date: December 29, 1896
Creator: Ezzell, Fletcher
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a wrench that can be used as a pipe-wrench or a monkey-wrench. It has a movable jaw, for easy adjusting, and is "of simple and strong construction" (line 9).
Date: January 5, 1897
Creator: Flye, Murat K.
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a wrench that can be adjusted without the use of screws. Includes instructions and illustrations.
Date: June 29, 1897
Creator: Thomas, Theodore G.
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a new and improved wrench. This design "relates particularly to a combined pipe and nut wrench, and has for its object to provide a wrench of the class described which can be quickly changed to an ordinary wrench . . . [the] invention consists of a shank having a rigid jaw attached thereto, a movable jaw adjustable on the shank and an eccentrically-headed lever pivoted to the rear end of the movable jaw and bearing on the shank adapted to separate the rear end of the movable jaw and … more
Date: August 5, 1890
Creator: Hooks, George W.
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a new and improved wrench. This design "has for its object to provide a tool especially adapted for a pipe-wrench, but also capable of use as a monkey-wrench. A further object of the invention is to construct a wrench with practically two handles, one of which is capable of use as a lever to disengage the jaws from the pipe and to adjust the upper jaw to and from the lower jaw" (lines 8-16).
Date: August 5, 1890
Creator: Kasch, Friedrich Wilhelm
Item Type: Refine your search to only Patent

Wrench

Description: Patent for "new and useful improvements in Wrenches" consisting of "several novel features" including a "revoluble head" (lines 4-5,12, 16-17) with instructions and illustrations.
Date: September 22, 1891
Creator: Rosenburg, Helfred, John
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for an improved wrench that has two movable jaws and can separate about the length of the handle. The wrench's "head or nut for operating the upper jaw is swiveled and forms a part of the handle" (lines 14-15). The wrench can be converted into a pipe-wrench.
Date: May 9, 1893
Creator: King, Will Henry Thomas
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for "a wrench adapted to engage the nut of the wheel hub, so that on turning the wheel the nut will unscrew from the threaded end of the axle." (Lines 14-17) Includes instructions and illustrations.
Date: October 30, 1894
Creator: Stambaugh, Julius Locke
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a pipe-wrench that has a shank with a fixed jaw, a handle for the shank, a movable jaw with two loops for the shank to pass through and a movable upper loop, a ferrule attached to the handle with a long opening, an adjustable screw with a milled collar in the movable jaw, and a pin attached to the shank.
Date: July 16, 1895
Creator: McElroy, Harry
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a wrench "that a great number of tools [screw-driver, hammer, hatchet, auger, etc.] may be mounted thereon at one time and each accessible for use without removing any one part and without the various parts mounted thereon interfering with each other." (Lines 30-35) Includes instructions and illustrations.
Date: February 4, 1896
Creator: Rush, William Henry
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a new and useful improvement in monkey-wrenches to "provide an improved construction of the same whereby the clamping-jaws may be quickly and readily adjusted to the nut or tap which is to be engaged thereby" (line 19-23).
Date: December 28, 1897
Creator: Antony, Edwin Le Roy
Item Type: Refine your search to only Patent

Wrench and Cutter.

Description: Patent for a simple, durable, and economic wrench and cutter that is easily used to turn nuts, pipes, or to cut pipes. The wrench does not need to be removed while cutting.
Date: April 18, 1893
Creator: Fletcher, Theodore
Item Type: Refine your search to only Patent

Wrist-Guide and Foot-Guard for Pianos.

Description: Patent for “…a piano attachment consisting of an adjustable wrist-pin and foot-guard adapted to serve as a means for securing the proper position of the wrist and forearm in practice and also adapted to protect the front panel of the instrument and serve, with children, as a foot-rest. Further objects and advantages of this invention will appear in the following description, and the novel features thereof will be particularly pointed out in the appended claims” (lines 8-19).
Date: May 18, 1897
Creator: Norcross, Levi Watson
Item Type: Refine your search to only Patent

Yardstick Calculator.

Description: Patent for a new and useful yard stick calculator for linear measurement. Yard stick is use in connection with dry goods and or business where items are sold by linear measurement including instructions and illustrations.
Date: August 1, 1899
Creator: Praeger, Ewald
Item Type: Refine your search to only Patent

Yardstick-Calculator.

Description: Patent for "a calculating-yardstick adapted for use in connection with the dry goods or any other business in which goods are sold by linear measurement, the object in view being to provide, in connection with a linear measuring scale or rule, an indicating device provided with a plurality of price-scales having relation to the measuring-scale and adapted to indicate the price of a given length of an article at a given price per unit of measure, and also adapted to indicate the length of an art… more
Date: September 1, 1896
Creator: Praeger, Ewald
Item Type: Refine your search to only Patent
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