Resource Type

Apparatus and Method for Implementation of Elements, Species and Compositions in Nanostructured Materials (open access)

Apparatus and Method for Implementation of Elements, Species and Compositions in Nanostructured Materials

Patent relating to an apparatus and method for implantation of elements, species and compositions in nanostructured materials.
Date: December 16, 2004
Creator: Imholt, Timothy
System: The UNT Digital Library
Car Step (open access)

Car Step

Patent for a car step. This invention is designed to be swung down into position from a fixed under the bottom of the rail car. Illustration included.
Date: September 18, 1906
Creator: Davis, George W. & Hicks, Joseph A.
System: The Portal to Texas History
Method for Generating Numerical Values Indicative of Frequencies of Selected Features in Objects, and a Computer System Implementing the Method (open access)

Method for Generating Numerical Values Indicative of Frequencies of Selected Features in Objects, and a Computer System Implementing the Method

Patent relating to methods for generating numerical values indicative of frequencies of selected features in objects, and a computer system implementing the method.
Date: November 21, 2001
Creator: Rorvig, Mark E. & Jeong, Kitai
System: The UNT Digital Library
Solid Lubricating, Hard and Fracture Resistant Composites for Surface Engineering Applications (open access)

Solid Lubricating, Hard and Fracture Resistant Composites for Surface Engineering Applications

Patent relating to solid lubricating, hard and fracture resistant composites for surface engineering applications.
Date: February 18, 2013
Creator: Gopagoni, Sundeep; Scharf, Thomas W.; Banerjee, Rajarshi & Tiley, Jaimie S.
System: The UNT Digital Library
Violin Bow (open access)

Violin Bow

Patent for an addition to tip of the violin bow, including illustrations.
Date: September 15, 1903
Creator: Roark, B. Mortimer
System: The Portal to Texas History
Improvements in Wheel-Plows. (open access)

Improvements in Wheel-Plows.

Patent for an improvement in riding attachment for plows.
Date: September 21, 1875
Creator: Flow, James
System: The Portal to Texas History
Framing-Tool (open access)

Framing-Tool

Patent for a framing tool designed to ease the laying of "rafters, stair carriages and the like" (lines 14-15). The tool assists in measuring proper "dimensions of cuts to be made in timber to accomplish desired construction" (lines 19-20).
Date: September 26, 1911
Creator: Whitlock, John N.
System: The Portal to Texas History
Sash-Holder. (open access)

Sash-Holder.

Patent for improved sash-fasteners, which relates to sash-fasteners, the object being to furnish a simple and effective substitute for the ordinary sash weights and locks.
Date: September 13, 1881
Creator: Barb, Gustavas Henry
System: The Portal to Texas History
Spring-Motor (open access)

Spring-Motor

Patent for spring motors that can be adapted to rotary fans and sewing machines. Illustrations included.
Date: September 6, 1910
Creator: Seeders, Zephaniah C.
System: The Portal to Texas History
Pulverizing Attachment for Plows (open access)

Pulverizing Attachment for Plows

Patent for improvements in pulverizing attachments for plows used for furrow-slices as they are turned by plows.
Date: September 13, 1881
Creator: Maddux, Tapley, B.
System: The Portal to Texas History
Open Fire-Place (open access)

Open Fire-Place

Patent for improvements to an open fireplace making the different sections of the fireplace detachable and replaceable individually. Patent granted to Daniel E. Jones.
Date: September 25, 1885
Creator: Jones, Daniel E.
System: The Portal to Texas History
Acetylene-Gas Generator. (open access)

Acetylene-Gas Generator.

Patent for improving an Acetylene-Gas Generator. To eliminate a check valve between the generator and the gasometer, this will purify the gas and keep siphoning off of water from occurring.
Date: September 8, 1903
Creator: Gribble, William A.
System: The Portal to Texas History