Collection
United States Census Map Collection
252
Texas Patents
121
USGS Topographic Map Collection
121
Texas State Publications
19
Texas Attorney General Opinions
7
Defense Base Closure and Realignment Commission
2
Texas Laws and Resolutions Archive
2
Technical Report Archive and Image Library
2
Texas Soil Surveys
2
Serial/Series Title
2000 Census County Subdivision Block Map
62
1990 Census County Block Map
54
2000 Census County Block Map
52
2010 Census County Block Map
38
2010 Census P.L. 94-171 County Block Map
38
Digital US Topo Maps: 7.5 Minute Series (Topographic)
38
7.5 Minute Series (Topographic)
36
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
15
2007 Economic Census Map
8
Western United States 1:250,000
8
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528 Matching Results
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1 - 24 of
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Threading Apparatus For Pipes.
Patent for improvements of the threading apparatus for pipes through a simple attachment to automobiles wheels. Illustrated figures with descriptions are presented to easily show the ways in which the device attaches and is used.
Date:
December 28, 1920
Creator:
Adkins, Otto O.
Object Type:
Patent
System:
The Portal to Texas History
Baby Net Frame.
Patent for a frame that can support a baby net and can be collapsed for easy storage. The frame also features components that prevent collapse and provide stability when in use.
Date:
June 6, 1922
Creator:
Akers, Blessie E.
Object Type:
Patent
System:
The Portal to Texas History
Valve Structure
Patent for valve improvements in controlling the flow of fluids under high pressure.
Date:
August 30, 1921
Creator:
Anderson, Jalmer
Object Type:
Patent
System:
The Portal to Texas History
Vehicle-Wheel.
Patent for a type of vehicle wheel made of a unique hub, rim, and resilient spokes. The design allows for the hub and spokes to rotate independently of the rim, reducing the need for compensating gearing. This is done by having the spokes frictionally engaged with the rim rather than a rigid, static design.
Date:
December 26, 1911
Creator:
Bartle, John N.
Object Type:
Patent
System:
The Portal to Texas History
Regional Water Plan: Region B
Water plan for Region B describing water resources and suppliers in the area, usage statistics and forecasts, water needs, water management strategies, water conservation plans, drought response plans, the process of creating the plan.
Date:
December 2015
Creator:
Biggs & Mathews, Inc.
Object Type:
Report
System:
The Portal to Texas History
Water-Motor.
Patent for a more powerful and efficient water motor which is durable and comparatively affordable to manufacture.
Date:
August 16, 1921
Creator:
Brady, Enoch J.
Object Type:
Patent
System:
The Portal to Texas History
Rifle.
Patent for a rifle that uses electricity from a battery to ignite the explosive charge for the ammunition.
Date:
January 14, 1919
Creator:
Brannon, Virgil C.
Object Type:
Patent
System:
The Portal to Texas History
Spark Plug.
Patent for a spark plug with the capacity to afford an intense spark, prevent leakage of current, and to preclude fouling of the plug in carbon.
Date:
October 24, 1922
Creator:
Bronson, Fred L.
Object Type:
Patent
System:
The Portal to Texas History
Adding-Machine.
Patent for an inexpensive, simple, easily operated, and improved registering machine that is meant to add numbers without mistakes. It uses revoluble number wheels and a spring-returned shaft among other materials.
Date:
March 21, 1893
Creator:
Brooks, Augustus J.
Object Type:
Patent
System:
The Portal to Texas History
Strap Fastener
Patent for a strap fastener to be used for clamping devices such as harnesses, saddles, reins, and tie-straps. Illustration included.
Date:
February 22, 1910
Creator:
Carlson, Frank A. & Rhodes, L. D.
Object Type:
Patent
System:
The Portal to Texas History
Soil survey, Wichita County, Texas
Text describes the area, climate, agriculture, soils, irrigation, and alkali of Wichita County, Texas.
Date:
1929
Creator:
Carter, William T. (William Thomas); Strike, W. W. (Wendell William); Geib, H. V. (Horace Valentine) & Templin, E. H. (Edward Henry)
Object Type:
Book
System:
The Portal to Texas History
Locomotive Brake-Shoe
Patent for a locomotive brake shoe that is "capable of being economically manufactured in a small foundry without the installation of special and elaborate machinery, whereby they may be produced in various repair shops local to different railroad centers" (lines 15-20), including illustrations.
Date:
May 29, 1917
Creator:
Christensen, Jacob V. C. T.
Object Type:
Patent
System:
The Portal to Texas History
Brake Shoe
Patent for a brake shoe of the M. C. B. type.
Date:
November 14, 1916
Creator:
Christensen, Jakob V. C. T.
Object Type:
Patent
System:
The Portal to Texas History
Well Stuffing-Box.
Patent for improvements on well stuffing boxes, particularly in packing the vertically reciprocating pump rod and keeping it packed over time, so that the stuffing box doesn't need to be dismantled for manual adjustments.
Date:
November 16, 1915
Creator:
Church, George W.
Object Type:
Patent
System:
The Portal to Texas History
Spring Wheel
Patent for improvements on spring wheels especially those adapted for motor vehicles.
Date:
November 22, 1911
Creator:
Coble, Ernest L.
Object Type:
Patent
System:
The Portal to Texas History
Engine Control
Patent for a car part that goes on the engine to help control fuel supply, and to keep engine parts from burning up.
Date:
May 29, 1915
Creator:
Craddock, L. J.
Object Type:
Patent
System:
The Portal to Texas History
Route-Indicator.
Patent for an improved route indicator for automobiles "which not only visually indicates the characteristics and risks of the road" but in addition provides an "auditory signal to call attention to approaching hazards or dangers" (lines 36-41). Illustrations included.
Date:
November 13, 1917
Creator:
Cranmer, Howard
Object Type:
Patent
System:
The Portal to Texas History
Extension-Brace for Ladders.
Patent for an extension brace for ladders that improves on the inventor's previous patent (No. 416,413). The invention's parts "are positively raised and lowered by means of direct acting mechanism which is so constructed and arranged as to obtain the most beneficial results from a comparatively small application of power, the parts being strong and durable easily operated and readily understood" (lines 20-26).
Date:
April 11, 1893
Creator:
Crews, Dayton H.
Object Type:
Patent
System:
The Portal to Texas History
Closet
Patent for a dry closet. Illustrations included.
Date:
April 2, 1912
Creator:
Crow, Levi H.
Object Type:
Patent
System:
The Portal to Texas History
Apparatus for Destroying Insects
Patent for an apparatus for destroying insects. Illustrations included.
Date:
May 23, 1911
Creator:
Crow, William M. & Crow, Levi H.
Object Type:
Patent
System:
The Portal to Texas History
Petroleum-Engineering Study of K.M.A. Reservoir, Southwestern Part K. M. A. Oil Field, Wichita and Archer Counties, Texas
Report issued by the Bureau of Mines discussing investigations conducted on the K.M.A. oil field in Wichita and Archer Counties, Texas. History, geology, production data, and drilling methods used in the field are presented. This report includes tables, maps, and illustrations.
Date:
June 1952
Creator:
Dobyns, Rollie P.; Ayers, Marion L. & Lewis, Roger E.
Object Type:
Report
System:
The UNT Digital Library
Calk Attachment For Horseshoes
Patent for new and useful improvements in calk attachments for horseshoes. The objective is to provide detachable means applicable to the conventional types of shoe without any modifications.
Date:
March 29, 1921
Creator:
Douglas, John Davies
Object Type:
Patent
System:
The Portal to Texas History
Gripping Tool
Patent for improvements to gripping tools for tubing and other round objects with illustrations.
Date:
September 26, 1919
Creator:
Drake, Charles W.
Object Type:
Patent
System:
The Portal to Texas History
Holder.
Patent for improved book holder for holding down the leaves of an open book which can be adjusted to fit various widths.
Date:
July 2, 1918
Creator:
Duckett, J. L.
Object Type:
Patent
System:
The Portal to Texas History