Resource Type

An Aqueous Dispersion of Hydrogel Nanoparticles with Inverse Thermoreversible Gelation (open access)

An Aqueous Dispersion of Hydrogel Nanoparticles with Inverse Thermoreversible Gelation

Patent relating to an aqueous dispersion of hydrogel nanoparticles with inverse thermoreversible gelation.
Date: December 9, 2004
Creator: Hu, Zhibing & Xia, Xiaohu
System: The UNT Digital Library
Bale-Tie Buckle (open access)

Bale-Tie Buckle

Patent for a bale tie buckle made up of hooks that will not come apart under pressure.
Date: July 23, 1912
Creator: Eddleman, Dudley E. & McFarland, Frank H.
System: The Portal to Texas History
Apparatus for Destroying Insects (open access)

Apparatus for Destroying Insects

Patent for an apparatus for destroying insects. Illustrations included.
Date: May 23, 1911
Creator: Crow, William M. & Crow, Levi H.
System: The Portal to Texas History
Antifreezing Valve and Closet-Cistern (open access)

Antifreezing Valve and Closet-Cistern

Patent for "valves which will allow all the water to flow out of the popes to a position below freezing-point after each application of water, whether the water is used in a closet-cistern or drawn out of a hudrant or other application is made, and to arrange the valves so that the supply-valves will be automatically closed by water-pressure in connection with the operation of a siphon in a closet-cistern and the waste-valve will be closed by the pressure of water, siphonic action, or both, when the supply-valves are opened." (lines 18-28).
Date: April 23, 1901
Creator: Wilkes, George W.
System: The Portal to Texas History
Cattle-Guard. (open access)

Cattle-Guard.

Patent for a cattle guard to prevent animals from going on railroad tracks by installing plates which grate and rock if an animal steps on them to scare the animals away from the tracks.
Date: August 23, 1910
Creator: Herring, Henry H.
System: The Portal to Texas History
Animal Yoke Or Poke. (open access)

Animal Yoke Or Poke.

Patent for a new and useful animal yoke or poke, including instructions and illustrations.
Date: January 23, 1900
Creator: Worley, Frank Athar
System: The Portal to Texas History
Animal Trap. (open access)

Animal Trap.

Patent for an improved and simplified trap where "a large number of rats can be caught in succession before the trap has to be emptied, as the trap door arrangement is automatic in regard to resetting" (lines 20-24).
Date: June 23, 1914
Creator: Willard, Thomas A.
System: The Portal to Texas History
Hydrogenating Oils, Fats, and Fatty Acids, &c. (open access)

Hydrogenating Oils, Fats, and Fatty Acids, &c.

Patent for improvements made to a hydrogenator of saturated oils, including illustrations.
Date: June 23, 1914
Creator: Humphreys, Jerome N.
System: The Portal to Texas History
Telltale Switch (open access)

Telltale Switch

Patent for switch that indicates when a vacuum fails. Used for systems in "which it is desired to keep a ... uniform vacuum such as in fruit dryers, creosoting plants, surgace and jet condensing for steam plants and the like" (lines 21-25).
Date: March 23, 1915
Creator: Howland, John
System: The Portal to Texas History
Agitator. (open access)

Agitator.

Patent for an improved device to produce a useful agitation of liquid in washing machines by configuring the paddles or blades in the most effective manner, including illustrations.
Date: February 23, 1915
Creator: Babek, Aloysius S.
System: The Portal to Texas History
Insect-Trap. (open access)

Insect-Trap.

Patent for insect traps, specifically for concentrating capture and extermination via placement over an ant hill.
Date: September 23, 1913
Creator: Chandler, John T. & Harber, Joseph L.
System: The Portal to Texas History
Buggy-Shaft Brace. (open access)

Buggy-Shaft Brace.

Patent for buggy shaft braces for connecting the shaft and cross bar of a vehicle, in order to eliminate malfunction of cross bar.
Date: September 23, 1913
Creator: Brunken, John H.
System: The Portal to Texas History
Cabinet-Bed. (open access)

Cabinet-Bed.

Patent for improved cabinet bed construction features, which include allow access to mirror on either side.
Date: September 23, 1913
Creator: Giordano, Anthony
System: The Portal to Texas History
Razor-Strop Holder. (open access)

Razor-Strop Holder.

Patent for a new, less expensive razor strop holder with a reversible strop, including illustrations.
Date: October 23, 1917
Creator: Childress, Henry T.
System: The Portal to Texas History
Cotton-Chopper. (open access)

Cotton-Chopper.

Patent for improvements in cotton choppers that are reliable, cost-effective, and move transversely through the rows of cotton "separately producing a vertical adjustment of each earth turning member." (lines 17-19), including illustrations.
Date: March 23, 1915
Creator: Gant, Jesse B.
System: The Portal to Texas History
Collapsible Crate (open access)

Collapsible Crate

Patent fora collapsible crate used specifically for "shipping poultry or other live animals" (lines 11-12).
Date: March 23, 1915
Creator: Master, Chester A. & Wolnitzek, Oscar T.
System: The Portal to Texas History
Bolt Lock (open access)

Bolt Lock

Patent for an improved bolt block that maintains a bolt effectively against axial rotation.
Date: March 23, 1915
Creator: Robinson, Robert John, Sr.
System: The Portal to Texas History
Method and Apparatus for Hydrogen Production from Greenhouse Gas Saturated Carbon Nanotubes and Synthesis of Carbon Nanostructures Therefrom (open access)

Method and Apparatus for Hydrogen Production from Greenhouse Gas Saturated Carbon Nanotubes and Synthesis of Carbon Nanostructures Therefrom

Patent relating a method and apparatus for hydrogen production from greenhouse gas saturated carbon nanotubes and synthesis of carbon nanostructures therefrom.
Date: July 26, 2005
Creator: Henley, Donald E. & Imholt, Timothy
System: The UNT Digital Library
Method for Removing Contaminants on a Substrate (open access)

Method for Removing Contaminants on a Substrate

Patent relating to a method for removing contaminants on a substrate.
Date: November 21, 2002
Creator: Quevedo-Lopez, Manuel A.; Wallace, Robert M.; Bouanani, Mohamed El & Gnade, Bruce
System: The UNT Digital Library
Anti-Fretting Wear Coating for Substrates (open access)

Anti-Fretting Wear Coating for Substrates

Patent relating to an anti-fretting wear coating for substrates.
Date: May 18, 2012
Creator: Scharf, Thomas W.; Mohseni, Hamidreza & Tiley, Jaimie S.
System: The UNT Digital Library
Film for Use in Microelectronic Devices and Methods of Producing Same (open access)

Film for Use in Microelectronic Devices and Methods of Producing Same

Patent relating to film for use in microelectronic devices and methods of producing same.
Date: July 27, 2000
Creator: Kelber, Jeffry A.
System: The UNT Digital Library
Wrench. (open access)

Wrench.

Patent for certain new and useful improvements to wrenches for removing nuts from vehicle-axles.
Date: August 23, 1898
Creator: Haines, Samuel Alfred
System: The Portal to Texas History
Wrench. (open access)

Wrench.

Patent for a "powerful wrench of simple construction, wherein the movement for the operation of the jaws is of slight degree, partially automatic, and easily affected" (lines 41-45).
Date: April 23, 1907
Creator: Tiner, John F.
System: The Portal to Texas History
Wood-Preserving Compound (open access)

Wood-Preserving Compound

Patent for a new wood preserving compound to protect wood from bugs and prevent decay.
Date: June 23, 1908
Creator: Percival, Herbert Elmer
System: The Portal to Texas History