Collection
United States Census Map Collection
428
Texas Patents
193
USGS Topographic Map Collection
176
Texas State Publications
13
Texas Attorney General Opinions
9
Technical Report Archive and Image Library
3
Texas Soil Surveys
2
Texas Laws and Resolutions Archive
1
Government Documents General Collection
1
Serial/Series Title
2000 Census County Subdivision Block Map
107
2010 Census County Block Map
79
2010 Census P.L. 94-171 County Block Map
79
2000 Census County Block Map
77
1990 Census County Block Map
76
7.5 Minute Series (Topographic)
71
Digital US Topo Maps: 7.5 Minute Series (Topographic)
60
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
30
2007 Economic Census Map
10
Western United States 1:250,000
8
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826 Matching Results
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Casing Spear
Patent for casing spears. This invention is designed for pulling well tubes or casings that have broken off out of the well. Illustration included.
Date:
August 25, 1908
Creator:
Carroll, Monroe W. & Johnston, H. G.
Object Type:
Patent
System:
The Portal to Texas History
Oil-Purifier
Patent for "a construction wherein the oil may be quickly and economically heated to cause the impurities to separate from the oil" (lines 9-12).
Date:
August 13, 1901
Creator:
Carter, George Fitzhugh
Object Type:
Patent
System:
The Portal to Texas History
Die for Sash-Weights.
Patent for a die for sash weights that allows for easy removal of the die from the mold.
Date:
June 13, 1911
Creator:
Clarkson, William
Object Type:
Patent
System:
The Portal to Texas History
Hydrocarbon Burner
Patent for a hydrocarbon burner. Illustration included.
Date:
January 4, 1910
Creator:
Colligan, John C.
Object Type:
Patent
System:
The Portal to Texas History
Sash Control
Patent for a window sash control system. This mechanism allows the user to open a hard to reach window, such as one at the top of a stairwell, remotely via a series of ropes and pulleys.
Date:
June 12, 1917
Creator:
Coogle, John David
Object Type:
Patent
System:
The Portal to Texas History
Gate
Patent for a gate. Illustration included.
Date:
October 16, 1906
Creator:
Coursey, Thomas Maxton
Object Type:
Patent
System:
The Portal to Texas History
Quoin
Patent for quoin. Illustration included.
Date:
July 19, 1904
Creator:
Crockett, William Vernon
Object Type:
Patent
System:
The Portal to Texas History
Improvement in Weeding-Hoes.
Patent for improvment of "the construction of weeding-hoes; and it consists in providing the same with an inclined cutting-edge, in such a way that they will enter and pass through the ground more easily than hoes constructed in the ordinary manner." (11-16)including instructions and illustrations.
Date:
August 26, 1873
Creator:
Crossland, Henry S.
Object Type:
Patent
System:
The Portal to Texas History
Baling-Press
Patent for a baling press, designed so that the feeding and baling of cotton or straw is performed automatically, Illustrations included.
Date:
December 17, 1907
Creator:
Cumpston, Frederick B.
Object Type:
Patent
System:
The Portal to Texas History
Coupling Means for Demountable Rum Sections.
Patent for coupling means for demountable-rim sections. Improved device that is simple, durable, efficient, and inexpensive to produce.
Date:
September 25, 1917
Creator:
Cumpston, Frederick B.
Object Type:
Patent
System:
The Portal to Texas History
Supporting Device for Umbrellas.
Patent for a wearable umbrella holder, which holds the umbrella on the back and over the person's head to allow their hands to be free.
Date:
November 10, 1908
Creator:
Cumpston, Frederick B.
Object Type:
Patent
System:
The Portal to Texas History
Tubeless Tire and Rim and Lock Therefor
Patent for "an improved tubeless pneumatic tire casing, and an improved rim and locking means therefore, where by to effectively draw the edges together to render the same air tight" (lines 11-15). Also, this patent provides a improved "tubeless tire casing" where adding air pressure makes the joint air tight.
Date:
October 22, 1918
Creator:
Cumpston, Frederick B.
Object Type:
Patent
System:
The Portal to Texas History
Automatic Cotton Press and Feeder
Patent for an automatic cotton press and feeder operated by fluid pressure. Illustrations included.
Date:
April 13, 1909
Creator:
Cumpston, Frederick Bernard
Object Type:
Patent
System:
The Portal to Texas History
Wind Stacker on Grain Separators.
Patent for an improvement in a pneumatic, wind-powered stacker for threshing machines, preventing straw or chaff from entering into the stacker.
Date:
August 14, 1906
Creator:
Cumpston, Frederick Bernard
Object Type:
Patent
System:
The Portal to Texas History
Automatic Cotton Press And Feeder
Patent for automatic cotton press and feeder. Illustrations included.
Date:
November 20, 1906
Creator:
Cumpston, Frederick Bernard; Sewell, T. W.; Page, R. J. & Young, M. G.
Object Type:
Patent
System:
The Portal to Texas History
Cotton Picker.
Patent for a cotton picker with a power-driven vacuum for picking cotton and delivering it to a receptacle, including instructions and illustrations.
Date:
August 18, 1914
Creator:
Cunningham, Matthew G.
Object Type:
Patent
System:
The Portal to Texas History
Improvement in Presses for Hay, Cotton, Etc.
Patent for the improvement of presses for hay and cotton, by means of a screw. It includes an illustration and description.
Date:
December 27, 1870
Creator:
Cunningham, Matthew G.
Object Type:
Patent
System:
The Portal to Texas History
Apparatus For Maintaining A Continuous Flow Of Sand Carrying Oil From Wells
Patent for an apparatus for maintaining a continuous flow of sand carrying oil from wells. Illustration included.
Date:
June 14, 1904
Creator:
Cushing, William T. & Johnston, Horace G.
Object Type:
Patent
System:
The Portal to Texas History
Attachment for Automobiles or Any Other Desired Vehicles.
Patent for an attachment to automobiles to facilitate the attachment of luggage.
Date:
August 22, 1916
Creator:
Cypert, Jesse Bundy
Object Type:
Patent
System:
The Portal to Texas History
Cantalever.
Patent for a new and improved cantilever. This design consists in "the combination of the central post or column supported upon a pier or tower, the upwardly-inclined struts or beams bearing with the inner ends against the base of the post or column, the rods or cables extending from the top of the post to the ends of the struts, the rods or cables extending from the middle of the post to near the inner ends of the struts, the rods or cables extending from the ends of the struts to the middle of the post" (lines76-86).
Date:
January 20, 1885
Creator:
Davis, Benjamin F.
Object Type:
Patent
System:
The Portal to Texas History
Hoisting Apparatus.
Patent for improvements in hoisting apparatus by “employing two cables and two sheaves that one cable and one sheave operate to elevate the weight or object in an approximately-vertical plane, so as to avoid contact with any side obstruction, while the secondary cable can subsequently be slackened sufficiently to permit the traveling sheave of the hoisting-cable to run off in a lateral direction and carry with it the sheave of the slackened secondary cable, for the purpose of transferring the object or weight to a desired position out of the line of the approximately-vertical direction first given to it.” (Page 2, lines 4-16) Illustration is included.
Date:
March 22, 1892
Creator:
Davis, Benjamin F.
Object Type:
Patent
System:
The Portal to Texas History
Hoisting Apparatus.
Patent for "an improved hoisting apparatus for use in loading and unloading freight from and upon a wharf, bluff, bank, or other elevated place." (Lines 8-11) Includes instructions and illustrations.
Date:
March 14, 1891
Creator:
Davis, Benjamin F. & Davis, Matilda L.
Object Type:
Patent
System:
The Portal to Texas History
Railway Cross-Tie.
Patent for a railway cross-tie with concrete and metal parts, which is adjustable to different gages.
Date:
November 24, 1908
Creator:
Drane, Frank N. & Drane, Hugh A.
Object Type:
Patent
System:
The Portal to Texas History
Pole Splicing Device
Patent for a pole splicing device. This invention is designed to splice two poles together, such as telephone poles. Illustration included.
Date:
January 15, 1907
Creator:
Drane, Frank Neal
Object Type:
Patent
System:
The Portal to Texas History