Resource Type
Partner
UNT Libraries Government Documents Department
19,469
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
18,581
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
Improvement in Reciprocating Churns.
Patent for an invention that, "relates to certain improvements in motive power for churns, its object being to provide a compact system of automatically-operating gearing, that may be readily attached to the top of an ordinay churn" (lines 7-11). Illustration included.
Date:
January 23, 1877
Creator:
Miller, Noah J.
System:
The Portal to Texas History
Improvement in Gang-Plows.
Patent for "an improved gang-plow, which shall be so constructed that it may be readily adjusted to cause the plows to take or leave land, and which will enable the wheels to be adjusted closer to or farther from the plows, as may be desired." (Lines 12-17) Includes instructions and illustrations.
Date:
February 20, 1877
Creator:
Cummins, John R.
System:
The Portal to Texas History
Improvement in Reciprocating Churns
Patent for "certain new and useful improvements in the construction of churns, whereby dashers are caused to rotate very rapidly, thus greatly facilitating the process of producing butter; also, the churn and its supporting frame-work being constructed and arranged in sections permits of it being taken apart very readily, and packed in a very small space for shipment." (lines 12-20) including instructions and illustrations.
Date:
February 27, 1877
Creator:
Welch, John M.
System:
The Portal to Texas History
Improvement in Processes of Reducing Asphaltum to a Liquid
Patent for a new and useful process of reducing asphaltum to a liquid and the patent includes a list of solvents suitable for use in the process.
Date:
March 20, 1877
Creator:
Lee, Archibald K.
System:
The Portal to Texas History
Improvement in Car Brakes and Starters
Patent for improvements in rail road-car breaks, starters, and checkers. "The nature of the invention consists in certain constructions, combinations, and arrangements of parts" (lines 19-21).
Date:
April 24, 1877
Creator:
Marean, William
System:
The Portal to Texas History
Improvement in Car-Couplings
Patent for car coupling device that attaches cars automatically when moved together while also detaching if one or more cars come off the tracks.
Date:
May 22, 1877
Creator:
Dobbs, Charles & Robinson, Samuel L.
System:
The Portal to Texas History
Improvement in Gang-Plows.
Patent for improvements to the gang-plow consisting of "an adjustable frame, within which two or more ordinary plows can be arranged to form the gang, said frame being constructed so as to enable one set of plows to run deep, while the other set can be made to run shallow." (Lines 15-19) Includes instructions and illustrations.
Date:
July 17, 1877
Creator:
Crump, Thomas J.
System:
The Portal to Texas History
Improvement in Car-Couplings.
Patent for improved construction and arrangement of car-couplings.
Date:
July 24, 1877
Creator:
McCarty, Ezra B. & Heagerty, James
System:
The Portal to Texas History
Improvement in Cotton-Harvesters.
Patent for "the construction and arrangement of a cotton-picking machine" (lines 15-16) using wire brushes on rods and chains, including illustrations.
Date:
July 31, 1877
Creator:
Graves, Clinton E.
System:
The Portal to Texas History
Improvement in Car Brake and Starter.
Patent for improvements in car brakes "of novel and simple construction" (lines 24-25).
Date:
August 21, 1877
Creator:
Marean, William
System:
The Portal to Texas History
Improvement in Railroad-Switches.
Patent for a railway switch for wooden or iron railway-tracks.
Date:
September 4, 1877
Creator:
Harding, John W.
System:
The Portal to Texas History
Improvement in Preparations of Chewing-Gum.
The production of chewing-gum will become much simpler with the improved patent of chewing-gum.
Date:
June 23, 1877
Creator:
Cotter, Robert
System:
The Portal to Texas History
Improvement in Carriage-Axle Boxes.
Patent for "a new and useful improvement in carriage-axle boxes and spindles" (lines 3-5), includes instructions and illustrations.
Date:
December 11, 1877
Creator:
Sitton, William A.
System:
The Portal to Texas History
Improvement in Gang Plow and Cultivator.
Patent for "a new and improved gang plow and cultivator" (lines 3-4), including instructions and illustrations. "This invention relates to a new agricultural machine which may be readily changed from a gang-plow into a cultivator, and vice-versa" (lines 15-17).
Date:
December 18, 1877
Creator:
Domschke, Charles
System:
The Portal to Texas History
Improvement in Gang and Sulky Plows.
Patent for improvements in gang and sulky plows which "consists in an axle having the double crank of the transporting-wheel journaled upon the outer bend of said crank, working between the side beams of the plow-frame, and the connecting-rods pivoted, respectively, to the said bars and to the end and inner bend of said crank" (lines 17-23). Includes instructions and illustrations.
Date:
January 8, 1878
Creator:
McCormick, John Robert
System:
The Portal to Texas History
Improvement in Car-Couplings
Patent for an improved car-coupling that lets cars couple automatically when they run together and uncouple automatically in the event of an accident. Includes instructions and an illustration.
Date:
June 18, 1872
Creator:
Jourde, Alfred J.
System:
The Portal to Texas History
Improvement in Car-Trucks.
Patent for the improvement of car-trucks, consisting in the arrangement of each wheel of a car-truck upon the outer end of a separate short axle, the bearings of each axle being both located on the inner side of the wheel and the bearing at the inner end of the axle provided with a sliding-box and springs. It includes a description and illustration.
Date:
July 9, 1872
Creator:
Onley, Joseph
System:
The Portal to Texas History
Improvement in Railroad-Switches.
Patent for improvement in railroad-switches by “mounting a frog on a plate, and provided with pivoted rails or rail-sections, arranged for operation in connection with fixed rail-sections upon the plate, to form a continuity with either line of main rail, and connected below the plate by pivoted bars or levers, to secure a relative action or adjustment of the pivoted or movable rail-sections, whereby a very perfect and simple frog operating to prevent break in the main line or lines is obtained, and which is capable of being adjusted by passing trains in opposite directions of travel.” (Lines 5-18) Illustration is included.
Date:
July 16, 1872
Creator:
Fitzsimmons, Henry
System:
The Portal to Texas History
Improvement in Cane-Seats for Chairs.
Patent for improvement in cane-seats for chairs by simplifying the process of dispensing the drawing of the cane through the chair-frame; thereby reduce materials used to produce the chairs. Illustration is included.
Date:
September 3, 1872
Creator:
Howe, Will F.
System:
The Portal to Texas History
Improvement in Cotton-Pickers.
Patent for an improved cotton-picking machine, including illustrations.
Date:
September 3, 1872
Creator:
Sims, Zachariah B.
System:
The Portal to Texas History
Improvement in Car-Couplings.
Patent for "an improved car-coupling simple in construction, convenient in use, and effective and reliable in operation." (lines 12-14) e.g., including illustration.
Date:
September 24, 1872
Creator:
Allen, Henry & Baldwin, Addison H.
System:
The Portal to Texas History
Improvement in railroad switches
Patent for an improvement in railroad switches, including illustrations.
Date:
October 22, 1872
Creator:
Fitzsimmons, Henry
System:
The Portal to Texas History
Improvement in Recording Instruments for Locomotives
Patent for improvement in Recording Instruments for recording time, speed, and steam pressure of locomotives or cars or other machinery.
Date:
September 26, 1873
Creator:
Richardson, John D.
System:
The Portal to Texas History
Improvement in Carriage-Springs
Patent for improved design for carriage-springs with included illustrations of the spring design as well as diagram of placement on a carriage/wagon.
Date:
April 29, 1873
Creator:
Richardson, J. D.
System:
The Portal to Texas History