Resource Type

Cotton Picker. (open access)

Cotton Picker.

Patent for a new and improved cotton picker. This design has a spring-actuating "mechanism located upon the casing, and a hood for inclosing said mechanism hinged to one of the side walls of the casing and held closed by a fastening device . . . [and] the casing thereof, the endless picker-belt, flanged drums, and the toothed disks contained within said casing . . . and a pulley and belt for winding the spring" (lines 1-12).
Date: August 4, 1885
Creator: Martin, John Tillman
System: The Portal to Texas History
Electric Belt. (open access)

Electric Belt.

Patent for an electric belt producing "an exceedingly gentle and moderate [current], so as to insure the precise remedial results desired" (lines 91-93) including illustrations.
Date: August 27, 1889
Creator: Everett, Charles
System: The Portal to Texas History
Engineering Lipids in Vegetative Tissues of Plants (open access)

Engineering Lipids in Vegetative Tissues of Plants

Patent relating to engineering lipids in vegetative tissues of plants.
Date: January 28, 2010
Creator: Chapman, Kent D. & Anderson, Richard G. W.
System: The UNT Digital Library
Hand Harvester. (open access)

Hand Harvester.

Patent for a hand harvester that contains a plate and cutter to be used for harvesting corn and maize with more ease.
Date: August 17, 1920
Creator: Taylor, Joseph S.
System: The Portal to Texas History
Improved Process and Apparatus for Energy Storage and Release (open access)

Improved Process and Apparatus for Energy Storage and Release

Patent relating to an improved process and apparatus for energy storage and release.
Date: May 14, 2004
Creator: Imholt, Timothy; Allara, David L., 1937-; Gnade, Bruce & Roberts, James A.
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
Penholder. (open access)

Penholder.

Patent for a new and useful improvement in penholders, including instructions and illustrations.
Date: August 1, 1899
Creator: Thurman, William
System: The Portal to Texas History
Process and Apparatus for Microwave Desorption of Elements of Species from Carbon Nanotubes (open access)

Process and Apparatus for Microwave Desorption of Elements of Species from Carbon Nanotubes

Patent relating to the process and apparatus for microwave desorption of elements or species from carbon nanotubes.
Date: January 23, 2004
Creator: Tour, James M.; Roberts, James A. & Imholt, Timothy
System: The UNT Digital Library
Sash-Holder (open access)

Sash-Holder

Patent for an improved window-sash lock.
Date: August 1, 1882
Creator: Carson, William C.
System: The Portal to Texas History
Seed Chute Valve Mechanism (open access)

Seed Chute Valve Mechanism

Patent for a new seed chute valve mechanism with illustrations and instructions.
Date: August 25, 1914
Creator: Cantrell, Isaac D.
System: The Portal to Texas History
Seed Planter. (open access)

Seed Planter.

Patent for a "seed planting machine mounted upon a wheeled frame adapted to form a furrow and drop a predetermined quantity of seed at predetermined intervals" (lines 14-19), including instructions and illustrations.
Date: August 25, 1914
Creator: Cantrell, Isaac D.
System: The Portal to Texas History
Stalk-Cutter. (open access)

Stalk-Cutter.

Patent for certain new and useful improvements in stalk cutters to "product chopper in which the cutter-wheels may be adjusted with relation to each other to accommodate rows of varying widths" (line 13 - 16).
Date: August 15, 1899
Creator: Terrell, Joseph E.
System: The Portal to Texas History
Synthesis of Columnar Hydrogel Colloidal Crystals in Water-organic Solvent Mixture (open access)

Synthesis of Columnar Hydrogel Colloidal Crystals in Water-organic Solvent Mixture

Patent relating to the synthesis of columnar hydrogel colloidal crystals in a water-organic solvent mixture.
Date: September 21, 2006
Creator: Hu, Zhibing; Zhou, Jun; Cai, Tong; Tang, Shijun & Marquez, Manuel
System: The UNT Digital Library