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Improved Cultivating-Plow. (open access)

Improved Cultivating-Plow.

Patent for a cultivating plow with a series of cutting-disks and digging-hoes, including illustration.
Date: March 25, 1856
Creator: Crenshaw, Micajah
System: The Portal to Texas History
Improvement in Rattoon-Cutting Machines. (open access)

Improvement in Rattoon-Cutting Machines.

Patent for a rattoon-cutting machine which is created to "rapidly pull up and cut into short lengths the stubbles and roots of sugar cane (styled "rattoon") which are left upon the ground after the crop has been gathered" (lines 5-9), includes illustrations.
Date: March 25, 1875
Creator: Angers, John
System: The Portal to Texas History
Anal Speculum. (open access)

Anal Speculum.

Patent for a new and improved anal speculum. This design is "to so construct the several parts that there will be no rough or raised edges to interfere with its insertion in the anal passage; secondly, to so construct [the] improved speculum that it may be readily used as a bi-valve or dilator; thirdly, to form a locking-joint on the meeting edges of the shells forming the speculum, whereby the sections are prevented from overlapping each other to avoid pinching or injury to the walls of the anal passage while the instrument is being inserted; fourthly, to provide a plug for [the] improved speculum" (lines 17-29).
Date: March 25, 1890
Creator: Shuford, Quincy Adams
System: The Portal to Texas History
Car Wheel. (open access)

Car Wheel.

Patent for a new and improved car wheel. This design "consists in the combination, with a railroad-car axle having wheel-bearings of equal diameter throughout their whole lengths, of wheels the peripheries of which are provided with central flanges dividing each into two treads, the said wheels adapted to be pressed on the said bearings aforesaid, and to be removed therefrom, reversed, and again pressed thereon whenever the wear of the first tread shall render the same necessary" (lines 12-21).
Date: March 25, 1884
Creator: Melvin, Josiah W. & Clute, William H.
System: The Portal to Texas History
Wire Fence Stretcher and Splicer. (open access)

Wire Fence Stretcher and Splicer.

Patent for a new and improved wire fence stretcher and splicer. This design "relates to improvements in wire-fence stretchers and splicers; and it consists in the peculiar construction and arrangement of the parts" (lines 10-13).
Date: March 25, 1884
Creator: Pierce, Jonathan E.
System: The Portal to Texas History
Gunpowder Can. (open access)

Gunpowder Can.

Patent for new container for holding and dispensing gunpowder with illustrations consisting of "glass vessel incased within a metallic jacket and having an exteriorly-screw-threaded neck, in combination with a cap or cover" (page 2, lines 1-3) to increase safety and prevent corrosion of vessel.
Date: March 25, 1890
Creator: Lee, Newton M.
System: The Portal to Texas History
Ice-Making Apparatus. (open access)

Ice-Making Apparatus.

Patent for an ice maker that more effectively handles the chemicals used to freeze water. Use of a more strategically placed condenser keeps steam and liquids separate.
Date: March 25, 1879
Creator: Lee, Charles B.
System: The Portal to Texas History
Scuffle-Hoe (open access)

Scuffle-Hoe

Patent for a garden hand tool for destroying weeds and stirring, or aerating, soil. Used for garden crops.
Date: March 25, 1879
Creator: Munson, T. V. (Thomas Volney), 1843-1913
System: The Portal to Texas History
Folding Frame or Support for Mosquito Canopies. (open access)

Folding Frame or Support for Mosquito Canopies.

Patent for a new and improved frame for mosquito canopies. This design consists in "the combination, with the fixed standards and the forwardly-projecting bearings, of the braces pivoted to [the] bearings and united by cross-bar, the short arms pivoted to the upper ends of the fixed standards, and parallel side-bars connected by cross-bars to form a rectangular frame to support the canopy or curtain and pivoted intermediate, respectively, in the outer ends of the short arms and brace" (lines 22-31).
Date: March 25, 1890
Creator: Bailey, Alfred Holt
System: The Portal to Texas History
Safety Stop for Elevators. (open access)

Safety Stop for Elevators.

Patent for a new and improved safety stop for elevators. This design "consists in a lever pivoted to the bottom of the car, and provided with a spring for throwing it into position transversely to the car-bottom, so that the ends of the lever can catch on horizontal bars secured to the sides of the elevator-shaft. A rope or cable is secured to one end of the lever and to the car-elevating cable, and keeps the spring taut, and prevents it from throwing the lever unless the elevating-cable breaks" (lines 11-20).
Date: March 25, 1884
Creator: Saunders, Ellison
System: The Portal to Texas History
Ratchet Wrench. (open access)

Ratchet Wrench.

Patent for a new and improved ratchet wrench. This design "relates to improvements in ratchet-wrenches wherein a handle carrying a rotating head having jaws to grasp a nut is provided with pivoted pawls, so that by oscillating the handle the pawls serve to rotate the head and screw or unscrew the nut, bolt, or other device" (lines 8-14).
Date: March 25, 1884
Creator: Osborn, Adelbert E.
System: The Portal to Texas History
Metal Hydroxide Derivatives Containing Chemically Bound Organophosphorus or Polyphosphate Species as Flame Retardants (open access)

Metal Hydroxide Derivatives Containing Chemically Bound Organophosphorus or Polyphosphate Species as Flame Retardants

Patent relating to metal hydroxide derivatives containing chemically bound organophosphorus or polyphosphate species as flame retardants.
Date: November 15, 2002
Creator: Braterman, Paul S.; D'Souza, Nandika & Dharia, Amit
System: The UNT Digital Library
Synthesis, Uses and Compositions of Crystal Hydrogels (open access)

Synthesis, Uses and Compositions of Crystal Hydrogels

Patent relating to the synthesis, uses and compositions of crystal hydrogels.
Date: November 15, 2002
Creator: Hu, Zhibing; Lu, Xihua; Gao, Jun; Cai, Tong; Huang, Gang & Zhou, Bo
System: The UNT Digital Library
Monodisperse Thermo-Responsive Microgels of Poly(Ethylene Glycol) Analogue-Based Biopolymers, their Manufacture, and their Applications (open access)

Monodisperse Thermo-Responsive Microgels of Poly(Ethylene Glycol) Analogue-Based Biopolymers, their Manufacture, and their Applications

Patent relating to monodisperse thermo-responsive microgels of poly(ethylene glycol) analogue-based biopolymers, their manufacture, and their applications.
Date: July 14, 2009
Creator: Hu, Zhibing; Cai, Tong; Chi, Chenglin & Marquez, Manuel
System: The UNT Digital Library
Escherichia Coli CSRB Gene and RNA Encoded Thereby (open access)

Escherichia Coli CSRB Gene and RNA Encoded Thereby

Patent regarding the synthesis, uses and compositions of crystal hydrogels.
Date: November 15, 2002
Creator: Hu, Zhibing; Lu, Xihua; Gao, Jun; Cai, Tong; Huang, Gang & Zhou, Bo
System: The UNT Digital Library
Bolt-Holder. (open access)

Bolt-Holder.

Patent for improvements in bolt-holders by “providing a combined bolt-holder and screw-driver…. in which the hook or engaging member is quickly and conveniently adjustable to any angle to allow the tool to be employed in various positions to engage bolts set.” (Lines 15-22) Illustration is included.
Date: March 25, 1902
Creator: Carter, Hiram C.
System: The Portal to Texas History
Bicycle. (open access)

Bicycle.

Patent for "...a bicycle-frame so constructed that it is adapted to yield automatically...thereby doing away with the necessity of using pneumatic and puncturable tires..." (lines 10-11, 15-17) including illustrations.
Date: March 25, 1902
Creator: Smith, George Washington
System: The Portal to Texas History
Antifriction Device For Sucker Rods Or The Like (open access)

Antifriction Device For Sucker Rods Or The Like

Patent for an antifriction-roller (part of a pumping mechanism) with a mounting that can be manufactured at a low cost, "quickly and readily applied to a rod at any point....and prevent it from bending...and, furthermore, interpose a minimum obstruction to the flow of the liquid in the casing" (lines 17-25)
Date: March 25, 1902
Creator: Black, William L.
System: The Portal to Texas History
Girth (open access)

Girth

Patent for the improved securing or removal of a horse saddle, with illustrations.
Date: March 25, 1902
Creator: Owens, Robert. L.
System: The Portal to Texas History
Electric Gas-Lighter (open access)

Electric Gas-Lighter

Patent for a gas lighter that is designed to be durable and reliable, with an improved method of controlling the supply of gas to the burner.
Date: March 25, 1902
Creator: Ruebel, C. A. Ernst
System: The Portal to Texas History
Can Spout. (open access)

Can Spout.

Patent for "new and useful improvements in stoppers and discharge spouts for cans, or receptacles more particularly to cans employed in shipping kerosene oil, cotton seed oil, turpentine syrups and various other liquids." (lines 10-15).
Date: March 25, 1913
Creator: Herblin, William Leonard
System: The Portal to Texas History
Churn (open access)

Churn

Patent for a vertical dash butter churn with a frame that allows for removal of the receptacle with dash parts still attached to the frame, including illustrations.
Date: March 25, 1913
Creator: Collins, Edward L.
System: The Portal to Texas History
Aeroplane. (open access)

Aeroplane.

Patent for an improved rotary airplane engine patterned after the Gnome type with extra blades attached to the engine cylinders.
Date: March 25, 1913
Creator: Decker, Harry R.
System: The Portal to Texas History
Egg Tester. (open access)

Egg Tester.

Patent for "an improved egg tester". (line 14)
Date: March 25, 1913
Creator: Smith, John L.
System: The Portal to Texas History