Resource Type
Partner
UNT Libraries Government Documents Department
19,460
UNT College of Arts and Sciences
56
UNT College of Engineering
19
Private Collection of J. K. Johnson
4
Grayson College Foundation
1
Moody Medical Library, UT
1
Private Collection of Mike Cochran
1
University of Dallas
1
UNT Libraries Special Collections
1
UNT College of Information
1
Collection
Texas Patents
18,572
Office of Scientific & Technical Information Technical Reports
887
UNT Scholarly Works
76
Rescuing Texas History, 2019
5
The Civil War and its Aftermath: Diverse Perspectives
1
Rescuing Texas History, 2017
1
Texas Cultures Online
1
Technical Report Archive and Image Library
1
TRAIL Microcard Collection
1
T. V. Munson Collection
1
States
Decade
Month
Easel
Patent for an easel that has a sliding picture-rest, which is has a "clutch mechanism for holding the sliding rest at any desired elevation" (lines 11-14). It also has a "auxiliary folding rest for holding a model or study while the artist is engaged at work" (lines 20-22), which can be folded up when finished.
Date:
January 12, 1897
Creator:
Cooper, Harry
System:
The Portal to Texas History
Educational Device.
Patent for improvements in educational device by providing “a simple and comparatively inexpensive one designed for teaching addition, multiplication, subtraction, and division and capable of enabling the same to be explained with greater ease and at the expenditure of much less energy of both pupil and teacher.” (Lines 12-18) Illustration is included.
Date:
February 10, 1903
Creator:
Williams, Willoughby Columbus
System:
The Portal to Texas History
Egg-Preserving Compound.
Patent for a compound of cotton-seed oil, beeswax, paraffin, and salicylic acid that was meant to preserve eggs by sealing their pores.
Date:
March 4, 1902
Creator:
Stukes, John Marion
System:
The Portal to Texas History
Dry-Press Brick-Machine.
Patent for certain new and useful improvements in dry press brick machines, including instructions and illustrations.
Date:
November 7, 1899
Creator:
Frank, Samuel B.
System:
The Portal to Texas History
Dumping-Bottom for Ash-Pans of Locomotives
Patent for a dumping bottom for ash pans of locomotives that allows the ashes to be quickly dumped through panels that open in the floor.
Date:
December 19, 1911
Creator:
Golden, Oscar
System:
The Portal to Texas History
Dry Ore-Concentrator.
Patent for a dry ore concentrator with illustrations included.
Date:
November 25, 1902
Creator:
Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
System:
The Portal to Texas History
Dumping-Platform.
Patent for a dumping platform for wagons to drive under and be filled with their load.
Date:
March 7, 1911
Creator:
Rector, Eldridge L.
System:
The Portal to Texas History
Drying Kiln
Patent for a kiln to be used as a drying chamber for drying and curing of lumber. Illustrations included.
Date:
May 21, 1907
Creator:
Stephens, William E.
System:
The Portal to Texas History
Elastic Bulletin Board
Patent for a general utility bulletin-board. This device applies to various function whereby exists a need for posting bulletins and announcements. The bulletin board is made of elastic material to increase efficiency and serviceability. Illustrations included.
Date:
January 15, 1907
Creator:
Weeks, Frank W.
System:
The Portal to Texas History
Duplex Water-Gage
Patent for a duplex water gage for train boilers.
Date:
October 1, 1912
Creator:
Ryan, John J.
System:
The Portal to Texas History
Drying and Stretching Frame
Patent for a frame used to stretch and dry fabrics such as curtains. Illustrations included.
Date:
April 20, 1909
Creator:
Hargrave, Thomas A.
System:
The Portal to Texas History
Egg-Preserving Compound.
Patent for a new compound to be used for the preservation of eggs which lists the ingredients and proportions.
Date:
March 29, 1887
Creator:
Jurgens, Nils Colling.
System:
The Portal to Texas History
Earth Borer and Excavator
Patent for an Improvement in Earth Boring and Excavating Machines whereby the machines may operate continuously except for the addition of shaft and belt sections.
Date:
July 24, 1880
Creator:
Carley, John Wesley
System:
The Portal to Texas History
Earth Auger.
Patent for a new and improved earth auger. This design "relates to machines for boring post-holes, &c.; and it consists especially in certain improvements in the frame and operating mechanism" (lines 21-24).
Date:
December 13, 1881
Creator:
Blake, Llewellyn A.
System:
The Portal to Texas History
Earth-Auger.
Patent for an earth-auger that allows a hole to "be bored in ordinary soil in much less time than with the ordinary auger. It readily bores in ground in which the ordinary auger will not bore - viz., dry, hard, and packed soil, gravel, and concrete beds."
Date:
September 12, 1882
Creator:
Porter, Thomas & Gillilland, George Washington
System:
The Portal to Texas History
Dry Ore-Concentrator
Patent for improvements specifically for ore concentrators. Illustrations and instructions included.
Date:
January 18, 1883
Creator:
Vollmer, John George
System:
The Portal to Texas History
Earth Borer and Excavator
Patent for an earth borer and excavator machine
Date:
February 7, 1882
Creator:
Carley, John W.
System:
The Portal to Texas History
Egg Holder.
Patent for a new and improved egg holder. This design consists "[i]n an egg-holder, the combination, with two hollow semi-ellipsoidal sections, having downwardly-projecting stems terminating in legs, the stems being pivoted to each other, of the spring interposed between the lower ends of the stems" (lines 70-75).
Date:
December 9, 1884
Creator:
Hervey, Frances P.
System:
The Portal to Texas History
Earth Auger.
Patent for a new and improved auger. This design "relates to a new and improved earth-auger made funnel shaped, with side cutting-edges, and adapted to be inverted for emptying the auger; and the invention consists of the construction and arrangement of parts" (lines 7-12).
Date:
May 26, 1885
Creator:
Porter, Thomas A.
System:
The Portal to Texas History
Earth-Auger.
Patent for an earth auger.
Date:
August 11, 1885
Creator:
Porter, Thomas
System:
The Portal to Texas History
Dry Outhouse
Patent for the invention of new and useful improvements in dry outhouses. It includes explications and illustrations.
Date:
March 30, 1886
Creator:
Carrico, Thomas W.
System:
The Portal to Texas History
Dust Box.
Patent for a new and improved dust-box. This design consists in "[t]he combination, with a floor having an aperture cut into it and provided with a door flush with the surface of the floor, of a dust-box having a square bottom and diverging sides formed with outwardly-projecting flanges re-enforced upon their under sides by plates or bars and having strips secured to the inner sides, having their upper ends bent inward" (lines 76-83).
Date:
August 17, 1886
Creator:
Ethridge, John H.
System:
The Portal to Texas History
Drainage System
Patent for a drainage system. Illustration included.
Date:
June 6, 1911
Creator:
Osborne, Charles W.
System:
The Portal to Texas History
Ditcher.
Patent for "new and useful improvements in Ditchers" (lines 5-6).
Date:
July 7, 1903
Creator:
Brown, John Dayton
System:
The Portal to Texas History