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Wrench.

Description: Patent for "wrenches; and it consists in the improved means for operating the movable jaw thereof." (lines 12-13) including illustrations.
Date: July 1, 1902
Creator: Boozer, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lard-Extracting Machine.

Description: Patent for a machine by which lard, or other substance with a similar consistency, "may be extracted directly from the original shipping vessel, such as a barrel... so that the lard will be expelled though and delivered from a dispensing nozzle" (lines 18-23); including instructions and illustrations.
Date: December 30, 1913
Creator: Paolucci, Henry E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Machine for Clamping and Nailing Boards.

Description: Patent for a "machine whereby boards for floors, ceiling or sheathing may be forced into place and into contact with previously nailed boards without damage and held clamped into position until nails can be driven into the boards and into the joints" (lines 29-34), with illustrations.
Date: April 11, 1916
Creator: Binger, Nickolaus
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Insect-Trap.

Description: Patent for a new and improved insect trap with a flanged pan, the mouth of which has an inclined surface. The insect trap is designed to be arranged directly over a burrow of ants, so that ants are directed to a bait pan.
Date: May 7, 1918
Creator: Mosby, William A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lawn-Sprinkler.

Description: Patent for an inexpensive lawn sprinkler that serves the dual purpose of connecting to a hose to spread the water over a broad area and of holding a hose stationary to water a single area.
Date: December 11, 1917
Creator: Schneider, Gustav H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Valve-Grinding Machine

Description: Patent for a simple valve grinding machine designed to be efficient and easy to use, as well as more secure (within a valve casing) than previous models.
Date: November 6, 1918
Creator: Branning, Willie F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lock-Washer.

Description: Patent for "an improved lock washer especially adapted for locking nuts" (lines 10-11) that was designed to "be interposed between the nut and a member to be clamped by the nut" (lines 14-16).
Date: June 8, 1920
Creator: Medbery, Clinton A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Liquid Measure and Strainer

Description: This patent relates to devices for measuring and straining liquids and discharging them into a receptacle or tank without exposing the liquids after being strained to the atmosphere or rendering the liquid liable to be deteriorated by dust or other foreign matter.
Date: April 2, 1918
Creator: Doolin, Charles B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lock.

Description: Patent for "locking the control pedals of a motor vehicle from movement in either direction, the said lock being arranged between the pedals and arranged to simultaneously engage and lock both" (lines 9-14).
Date: February 27, 1919
Creator: Cameron, Robert G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Locomotive-Pilot Coupling

Description: Patent for new and useful improvements in locomotive-pilot couplings (lines 5-6), including illustrations and instructions.
Date: February 8, 1900
Creator: Butcher, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a new ratchet-wrench with "improved construction and combination of parts" (lines 26-27), including illustrations.
Date: February 2, 1886
Creator: Rettberg, Ernest Frederick & Ellis, Charles Carroll
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Interlocking-Bar Grating for Jails.

Description: Patent for gratings used in jails. "In these structures as ordinarily made upright and horizontal bars are provided which are located at right angles to each other, these bars being necessarily secured together at their points of intersection to prevent their being spread apart" (lines 11-16).
Date: November 25, 1902
Creator: Youngblood, David Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Needle-Threaders for Sewing-Machines.

Description: Patent for improvement in needle-threaders for sewing machines by using an “eyelet-frame that formed by two equal parallelopipeds. These parallelopipeds are being kept together by two springs and may be separated by pressing the pins toward each other.” (Lines 32-35) “The axis of a conical eyelet will be laid in the joint planes of the parallelopipeds, its apex in the front side, its basis in the opposite side of the eyelet-frame, through which eyelet the thread has to pass when the instrument… more
Date: April 20, 1869
Creator: Thielepape, Wilhelm C. A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Traffic-Signal.

Description: Patent for a traffic signal designed especially for use while attached to an automobile, illustrations included. The device is intended to indicate the direction of proposed turning and travel of the vehicle via controls that are convenient to the vehicle operator.
Date: December 9, 1919
Creator: Wilke, Edward V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Boring Machine.

Description: Patent for improved mechanism of well-boring machine in which it “composed of as few parts as possible, which will effectively grip and rotate a drill-rod or pipe containing coupling and reducing - nipples, or composed of length or sections of varying diameters without impeding the end movement or deranging the central position of said drill-rod or pipe, and without delaying the progress of the machine, to adjust or change any part or parts thereof, also to improve the means for gripping the dr… more
Date: June 17, 1902
Creator: Woods, Frank J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Thill-Coupling.

Description: Patent for improvements in thill-couplings by using a combination of forward extension arms, having each near its forward end, circular shoulders, adapted to engage the ends of the shaft-iron; the spring-catch for holding the lever arm in locking position and, for retracting arm when the catch is released. Illustration is included.
Date: March 17, 1891
Creator: Bryan, William L.
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Partner: UNT Libraries Government Documents Department

Hydraulic Motor.

Description: Patent for improvements in “water-motor in which the float-boards, paddles, or buckets move through the water in such a manner as to get as nearly as possible all the force it is capable of yielding, avoiding the great waste of power that results from the use of water-wheels.” (Lines 16-22) Illustration is included.
Date: October 27, 1891
Creator: Hurd, Judson B. & McLane, Hiram H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hose-Washer.

Description: Patent for improvement in efficiency of hose washers. Patent helps to prevent accidental detachment of a hose via the use of a "resilient wire" designed to strengthen the connection. Citation: Calvert, Walter Riley. Hose-Washer., patent, April 27, 1915; [Washington D.C.]. University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting UNT Libraries Government Documents Department.
Date: April 27, 1915
Creator: Calvert, Walter Riley
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plate for Secondary Batteries.

Description: Patent filed by Joseph O. Luthy, a citizen of the Republic of Switzerland, residing in the city of San Antonio, concerning new and useful improvements in placates for secondary batteries. Figures page 1. Description of patent begins page 2.
Date: June 15, 1915
Creator: Luthy, Joseph O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tool.

Description: Patent for a new and improved tool for "various uses, being especially adapted as a clamp, vise, brace or drill-stock, or wrench" (line 9 -10).
Date: February 15, 1898
Creator: Poor, Morrill Hart
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Motor-Driven Table

Description: Patent for "improvements in rotatable tables, such as are employed for the display of goods and for general serving purposes in hotels, restaurants and other places" (lines 12-16) including illustrations and instructions.
Date: August 19, 1913
Creator: Goodrich, Luman L., Jr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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