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Womb-Battery. (open access)

Womb-Battery.

Patent for a womb-battery that has "an advantageous electrical or galvanic device adapted, when placed in the womb of a patient where it will be subject to the chemical action of the mucous fluid, to develop a mild electric action and thereby stimulate the generative organs and promote the cure of the various diseases peculiar to the female sex" (lines 13-20). It also is not easily displaced and is easily adjusted.
Date: June 5, 1894
Creator: Petit, Julius C.
System: The Portal to Texas History
Wire Stretcher and Tightener. (open access)

Wire Stretcher and Tightener.

Patent for a wire stretcher and tightener meant for wire fence rails. It is easy and convenient to use, and consists of a lever with a fixed pulley on one end, a rope or chain passes through the pulley, and the rope or chain has hooks attached to its ends.
Date: November 5, 1895
Creator: Farmer, Francis Marion
System: The Portal to Texas History
Wire Stretcher (open access)

Wire Stretcher

Patent for a wire stretcher. Illustration inlcuded.
Date: April 5, 1904
Creator: Montgomery, John W.
System: The Portal to Texas History
Lock-Joint Rail. (open access)

Lock-Joint Rail.

Patent for a lockable joint for connecting segments of a railway track. The joint is resistant to breakages due to the passage of trains but allows for the replacement of worn track.
Date: May 5, 1914
Creator: Swindler, Edgar L.
System: The Portal to Texas History
Variable-Speed-Transmission Gearing. (open access)

Variable-Speed-Transmission Gearing.

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
System: The Portal to Texas History
Improvements in Manufacture of Organic Solvents (open access)

Improvements in Manufacture of Organic Solvents

Patent for new improvements to the manufacture of organic solvents. Specifically as it it relates to the treatment of acetone oils with catalysts for the purpose of converting the ketones contained within the acetone oil into alcohol.
Date: December 5, 1914
Creator: Hibbert, Harold
System: The Portal to Texas History
Lock-Nut. (open access)

Lock-Nut.

Patent for a new and improved lock nut design, including illustrations, that efficiently and reliably "locks the nut against rotation upon the bolt" (lines 14-15).
Date: October 5, 1915
Creator: Mitchell, Thomas T.
System: The Portal to Texas History
Wagon-Seat Spring. (open access)

Wagon-Seat Spring.

Patent for an elliptic seat spring on a wagon that is "arranged longitudinally on the front of the wagon-box, for the purpose of taking up the jar and jolt of wagons in passing over rough places in the roads" (lines 15-18). The springs will stay in place once installed.
Date: December 5, 1893
Creator: Ingle, Jacob Odem, Jr.
System: The Portal to Texas History
Lifting-Jack. (open access)

Lifting-Jack.

Patent for a simple and durable lifting jack for wagons that is easily operated and does not move the hoisting lever in the post.
Date: December 5, 1893
Creator: Ball, Charles W.
System: The Portal to Texas History
Vehicle-Brake. (open access)

Vehicle-Brake.

Patent for vehicle-brake, with description and illustrations.
Date: March 5, 1885
Creator: McIntosh, John L.; Bacon, Edward Hamlin & Vail, Theron
System: The Portal to Texas History
Machine for Building and Rerolling Wire Fences. (open access)

Machine for Building and Rerolling Wire Fences.

Patent for "improvement in machines for building and rerolling wire fences" (lines 4-6), with instructions and illustrations.
Date: October 5, 1886
Creator: Edge, John S.
System: The Portal to Texas History
Jar Fastener. (open access)

Jar Fastener.

Patent for a new and improved jar fastener. This design consists in "[t]he combination, with a fruit can or jar, having a continuous groove across its bottom and up its sides, of a U-shaped bolt resting in said groove, a cap-plate resting on the top of the jar and through which the legs of the bolt extend, and securing nuts turning on the ends of the bolt above the cap-plate" (lines 78-84).
Date: April 5, 1887
Creator: Dickey, Marion Flutcher
System: The Portal to Texas History
Lantern-Top (open access)

Lantern-Top

Patent for a lantern top that provides sufficient ventilation for the lamp or lantern. The arrangement of the lantern top provides sufficient communication between the interior of the lantern and the surrounding atmosphere to insure steady burning.
Date: October 5, 1920
Creator: Moore, Thomas Lindsay
System: The Portal to Texas History
Knife-Sharpener. (open access)

Knife-Sharpener.

Patent for improvements in knife-sharpeners that can be clamped onto a table or similar object, including an illustration. The device has also been "adapted for use in connection with a pair of bits or cutters having convex cutting edges disposed in confronting relation, the bits or cutters being capable of adjustment to present new portions of the respective cutting edges for effective work as the occasion requires" (lines 17-23).
Date: February 5, 1918
Creator: Kirlin, Wiliam B.
System: The Portal to Texas History
Level-Indicator. (open access)

Level-Indicator.

Patent for a new and improved level indicator, intended for use with airplanes and other flying machines to indicate the angle of ascent or descent, as well as when the machine is on a level keel. The level indicator is designed to have a water-tight casing and weatherproof joints and has brackets to secure it to the airplane.
Date: November 5, 1918
Creator: Westbrook, Homer S.
System: The Portal to Texas History
Lawn Mower (open access)

Lawn Mower

Patent for a lawn mower in which the means for adjusting the intermediate blade has been created so that a groove for a predetermined depth can be cut, and easy removal of the blade when it is desired to sharpen the same. Additionally, a ground-engaging roller is included to keep the machine at the same level so that the knife will cut into the ground at an even depth.
Date: December 5, 1919
Creator: Coniglio Carmelo
System: The Portal to Texas History
Line-Type-Casting Machine (open access)

Line-Type-Casting Machine

Patent for a line type casting machine that focuses on improvements to the pot charging device and uses a type of float mechanism (as opposed to a thermostat) including instructions and illustrations.
Date: March 5, 1918
Creator: Wilmans, Lloyd I.
System: The Portal to Texas History
Valve Construction (open access)

Valve Construction

Patent for improved valve construction which permits unobstructed passage from valves to intake and exhaust pipe in motor vehicles.
Date: February 5, 1918
Creator: Smith, Thomas Noah
System: The Portal to Texas History
Vignetting Attachment for Multiple-Exposure Cameras. (open access)

Vignetting Attachment for Multiple-Exposure Cameras.

Patent for a multiple exposure camera attachment that allows multiple exposures to be made on a single plate or film, blending the exposures perfectly while avoiding harsh lines. The attachment is a telescopic tubular attachment with "a plurality of apertured light ray interrupting diaphragms" (lines 77-78).
Date: April 5, 1921
Creator: Moine, Selest E.
System: The Portal to Texas History
Well-Drilling Tool. (open access)

Well-Drilling Tool.

Patent for a bit that can be attached to a rotary tool for drilling wells. It features a means for using water to dislodge any accumulated mud from the tool.
Date: April 5, 1921
Creator: Clore, Franklin H.
System: The Portal to Texas History
Magazine-Projectile (open access)

Magazine-Projectile

Patent for a new type of projectile that includes an initial explosion followed by multiple other explosions from smaller bombs contained inside the larger projectile. The projectile is described as a "novel and improved instrument of destruction" (lines 10-11).
Date: November 5, 1918
Creator: Saladiner, Joseph M.
System: The Portal to Texas History
Well Drilling Machine. (open access)

Well Drilling Machine.

Patent for a driving mechanism to reduce the numbers of shafts and other parts needed for well drilling. The invention allows for one main driving shaft to be used as the primary source for well drilling.
Date: February 5, 1918
Creator: Herdman, Adam H.
System: The Portal to Texas History
Windmill. (open access)

Windmill.

Patent for a new and improved windmill. This design "consists in the construction and novel arrangement of the radial arms of the wheel-frame and the vertical pivot-posts thereon, the sails or fans pivoted to said posts, the pivoted detents, and the pivoted governing-levers to which said detents are connected, said levers carrying adjustable weights" (lines 16-23).
Date: June 5, 1883
Creator: Witherspoon, Frank
System: The Portal to Texas History
Water-Heater. (open access)

Water-Heater.

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
System: The Portal to Texas History