Drill-Bit (open access)

Drill-Bit

Patent for Drill-Bit that is especially designed for purpose of drilling through rock, or other hard formations and is also adapted for use in drilling through softer formation, such as shell.
Date: June 10, 1919
Creator: Culmore, March J. A.
Object Type: Patent
System: The Portal to Texas History
Oil-Well Drill (open access)

Oil-Well Drill

Patent for an Oil-Well Drill with the "...object of the invention being to provide means to prevent the drill from becoming unscrewed from the drill rod and dropping into the bottom of the well" (lines 12-16).
Date: December 29, 1916
Creator: Parker, Roy B. & Spurlock, Robert C.
Object Type: Patent
System: The Portal to Texas History
Paper Clip (open access)

Paper Clip

Patent for a paper clip. Illustration included.
Date: May 10, 1910
Creator: Galbraith, David G. & Galbraith, Nannie L.
Object Type: Patent
System: The Portal to Texas History
Fireproof and Waterproof Paint. (open access)

Fireproof and Waterproof Paint.

Patent for a fireproof and waterproof paint composed of English resin, pulverized alum, graphite, mineral red, hydrocarbon, gloss oil, and coal tar.
Date: July 26, 1910
Creator: Barnes, James John
Object Type: Patent
System: The Portal to Texas History
Condenser. (open access)

Condenser.

Patent for a condenser for converting exhaust steam from motors into potable water for ice making.
Date: November 15, 1910
Creator: Galbraith, David G.
Object Type: Patent
System: The Portal to Texas History
Bit-Hoist (open access)

Bit-Hoist

Patent for easy removal of bits from drilling machines.
Date: February 11, 1919
Creator: Parrish, Benjamin Eugene & Stage, Solomon
Object Type: Patent
System: The Portal to Texas History
Permutation-Lock. (open access)

Permutation-Lock.

Patent for "new and useful improvements in permutation-locks." (Lines 6-7) This lock is specifically designed to protect delivered milk bottles from theft.
Date: November 13, 1917
Creator: Kirkpatrick, Otey R.
Object Type: Patent
System: The Portal to Texas History
Electric Connection for Automobile-Lamps. (open access)

Electric Connection for Automobile-Lamps.

Patent for electric connection for automobile lamps that has an improvement in electric connections or plugs for incandescent electric-lamps for automobiles.
Date: September 11, 1917
Creator: Kearby, John Gallatin & Robinson, Zephaniah
Object Type: Patent
System: The Portal to Texas History
Device for Tying and Untying Packages. (open access)

Device for Tying and Untying Packages.

Patent for a device to easily secure and release cords used to bind packages, including instructions and illustrations.
Date: February 25, 1913
Creator: Galbraith, David G.
Object Type: Patent
System: The Portal to Texas History
Device for Hanging Wall-Paper. (open access)

Device for Hanging Wall-Paper.

Patent for a device for hanging wall paper that includes a paper holder and paper brush/roller.
Date: February 13, 1912
Creator: Randle, Millard F.
Object Type: Patent
System: The Portal to Texas History
The Mining Districts of the Western United States (open access)

The Mining Districts of the Western United States

From introduction: This is the most current attempt to locate all the mining districts of the western states.
Date: 1912
Creator: Hill, James M. & Lindgren, Waldemar
Object Type: Report
System: The UNT Digital Library
The Technology of Marble Quarrying (open access)

The Technology of Marble Quarrying

From Preface: "The aim of this bulletin is to present to the marble workers of the United States a concise statement of the most efficient and economical methods now in use for producing and preparing marble. The observations outlined refer chiefly to the methods employed in the quarrying of marble and the conditions that affect successful operation; the structure of marble and its relation to quarry processes; waste through rock imperfections and inefficient quarry methods; and means of eliminating such waste or utilizing it if elimination is impossible."
Date: 1916
Creator: Bowles, Oliver
Object Type: Report
System: The UNT Digital Library
Refining and Utilization of Georgia Kaolins (open access)

Refining and Utilization of Georgia Kaolins

From Introduction: "The investigation described in this report was carried on to determine the practicability of applying technical control of clay disperse systems to the refining of kaolins and the utilization of the prepared clay in the manufacture of vitreous china and wall tile."
Date: 1916
Creator: Sproat, Ira E.
Object Type: Report
System: The UNT Digital Library
Sandstone Quarrying in the United States (open access)

Sandstone Quarrying in the United States

From Preface: "It is the aim of this bulletin to point out in a general way the location of workable sandstone deposits in the United States, and to outline the most efficient and economical methods of quarrying and preparing the rock for structural and other purposes."
Date: 1917
Creator: Bowles, Oliver
Object Type: Report
System: The UNT Digital Library
Mineral Resources of Alaska: Report on Progress of Investigations in 1913 (open access)

Mineral Resources of Alaska: Report on Progress of Investigations in 1913

From preface: The present volume is the tenth of a series of annual bulletins treating of the progress of mining in Alaska and summarizing the results achieved during the year in the investigations of the mineral resources of the Territory.
Date: 1914
Creator: Brooks, Alfred H.
Object Type: Report
System: The UNT Digital Library
Window Structure (open access)

Window Structure

Patent for a window structure. This invention includes upper and lower sash frames. Illustrations included.
Date: February 11, 1913
Creator: Hatzfield, Charles
Object Type: Patent
System: The Portal to Texas History
The Feldspars of the New England and North Appalachian States (open access)

The Feldspars of the New England and North Appalachian States

From Introduction: "The investigations presented in this bulletin have been undertaken by the bureau with a view to a better understanding of the conditions which confront the producer of commercial feldspar and also with the object of determining wherein the various deposits of feldspar differ."
Date: 1916
Creator: Watts, A. S.
Object Type: Report
System: The UNT Digital Library
Table Cloth Clasp. (open access)

Table Cloth Clasp.

Patent for table cloth clasp, "which may be readily detachably connected with the table top, will securely hold the table cloth in place thereon, and will be entirely concealed by the table cloth" (lines 14-17).
Date: February 14, 1913
Creator: Hatzfeld, Charles
Object Type: Patent
System: The Portal to Texas History
Upholstery. (open access)

Upholstery.

Patent for an improvement in upholstery, more specifically, inflatable type upholstery; includes illustrations.
Date: July 13, 1915
Creator: Dodd, Laura L.
Object Type: Patent
System: The Portal to Texas History
Oven (open access)

Oven

Patent for an oven that cooks evenly and at a higher heat than other ovens with the same amount of fuel.
Date: October 8, 1912
Creator: Seale, Jefferson W.
Object Type: Patent
System: The Portal to Texas History
Extraction and Recovery of Radium, Uranium and Vanadium from Carnotite (open access)

Extraction and Recovery of Radium, Uranium and Vanadium from Carnotite

Report issued by the Bureau of Mines discussing extraction and recovery of different ores from carnotite. Equipment and methods for extraction are presented. This report includes tables, illustrations, and photographs.
Date: November 1915
Creator: Parsons, Charles L.; Moore, R. B.; Lind, S. C. & Schaefer, O. C.
Object Type: Report
System: The UNT Digital Library
Molybdenum; Its Ores and their Concentration with a Discussion of Markets, Prices, and Uses (open access)

Molybdenum; Its Ores and their Concentration with a Discussion of Markets, Prices, and Uses

From Scope and Purpose of Investigation: "The direct purpose of the bulletin is, on the one hand, to prove to possible consumers of molybdenum that the element is not as rare as commonly supposed, and that this country possesses many deposits of low-grade ore from which large supplies may be derived, and on the other hand, to prove to present and prospective producers of molybdenum that there is a latent market for their product in the alloy-steel trade, which needs only the assurance of steady supplies for a considerable development."
Date: 1916
Creator: Horton, Frederick W.
Object Type: Report
System: The UNT Digital Library
Burner (open access)

Burner

Patent for a hydrocarbon oil burner. Illustrations included.
Date: May 3, 1910
Creator: Butler, Albert C.
Object Type: Patent
System: The Portal to Texas History
Churn. (open access)

Churn.

Patent for a churn with an automatic turning mechanism.
Date: December 27, 1910
Creator: Liles, William Wallace
Object Type: Patent
System: The Portal to Texas History