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United States Census Map Collection
1,554
Texas Patents
1,288
USGS Topographic Map Collection
491
Texas State Publications
249
Texas Laws and Resolutions Archive
125
Texas Attorney General Opinions
69
Technical Report Archive and Image Library
7
Texas Soil Surveys
5
Defense Base Closure and Realignment Commission
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2010 Census County Block Map
359
2010 Census P.L. 94-171 County Block Map
359
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285
1990 Census County Block Map
271
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271
7.5 Minute Series (Topographic)
252
Digital US Topo Maps: 7.5 Minute Series (Topographic)
88
House Bills
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3,793 Matching Results
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Silo.
Patent for a reinforced concrete silo, including specifications and illustrations.
Date:
May 29, 1917
Creator:
Abbett, Edgar J.
Object Type:
Patent
System:
The Portal to Texas History
Combination Well-Packer and Setting-Tool.
Patent for a well packer and setting tool for the prevention of intermingling between oil and water in a well when used by itself or with other pipes. The invention allows for the packer to be set using the setting tool which can then be removed once the packer is in place.
Date:
January 6, 1920
Creator:
Abercrombie, Jamie & Dunman, Nesbit M.
Object Type:
Patent
System:
The Portal to Texas History
Air Compressor for Deep Well Pumps.
Patent for a new and improved air-compressor. This design "relates to improvements in air-compressing mechanism for the purpose of pumping for forcing from deep wells and performing similar work; and it consists in the construction and arrangement of a larger and smaller air-cylinder, and the combination therewith of mechanism to force the air from the larger into the smaller cylinder to increase the air-pressure in the latter" (lines 22-30).
Date:
August 2, 1887
Creator:
Adams, John R.
Object Type:
Patent
System:
The Portal to Texas History
Life Raft.
Patent for boat state rooms that convert into life rafts.
Date:
September 9, 1884
Creator:
Adams, John R.
Object Type:
Patent
System:
The Portal to Texas History
Apparatus for the Conversion of Liquids, Fluids, and Oils.
Patent for an apparatus for the conversion of liquids, fluids, and oils. This invention is to use high heat to change the original oils and fluids into oils and fluids of better quality and value.
Date:
November 4, 1919
Creator:
Adams, Joseph H.
Object Type:
Patent
System:
The Portal to Texas History
Oil-Converting Apparatus.
Patent for an apparatus that can be built at moderate cost, which will enable a high rate of commercially efficient work to reduce "the specific gravity of various grades of hyrdo-carbon oils, especially those of a semi-refined character" (lines 22 - 24).
Date:
October 28, 1919
Creator:
Adams, Joseph H.
Object Type:
Patent
System:
The Portal to Texas History
Standing Valve
Patent for a Standing Valve. This standing valve is designed to improve the way the fluids pump through oil and water wells. it also includes an improvement in the way the standing valve is secured to the wells. The new valve can also be easily replaced because of the materials it is composed of.
Date:
September 21, 1920
Creator:
Adams, Thomas M.
Object Type:
Patent
System:
The Portal to Texas History
Display Rack
Patent for store window display racks which can be easily removed and altered in appearance, allowing for more unique showings of commercial goods.
Date:
July 14, 1914
Creator:
Adamson, John Seldon
Object Type:
Patent
System:
The Portal to Texas History
Can-Opener.
Patent for new and useful improvements for can openers. The principal purpose is to provide means for opening round cans of different sizes and also square cans.
Date:
November 16, 1920
Creator:
Adels, Rebecca Valencia.
Object Type:
Patent
System:
The Portal to Texas History
Improvement in Curing Meat, &c.
Patent for curing meat using an air-tight brine vacuum to heat and purify the meat, including illustrations.
Date:
September 12, 1846
Creator:
Allen, Augustus C.
Object Type:
Patent
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.
Object Type:
Patent
System:
The Portal to Texas History
Device for Slicing Fish.
Patent for new and useful improvements to a device for slicing fish into smooth and even slices, including illustrations.
Date:
April 24, 1917
Creator:
Allen, James Leonard
Object Type:
Patent
System:
The Portal to Texas History
Device for Stripping Wheels from Shafts
Patent for a device for stripping wheels from shafts. Illustrations included.
Date:
May 14, 1912
Creator:
Allien, Leon F.
Object Type:
Patent
System:
The Portal to Texas History
Pneumatic Tire
Patent for pneumatic tire (for use on motor vehicle wheels) with application to inner tubes that are employed within the outer casing of tire. Tire provides self-sealing inner tube for piercings or punctures.
Date:
November 29, 1921
Creator:
Allyn, Harley H.
Object Type:
Patent
System:
The Portal to Texas History
Heading Holder Attachment for Type Writers
Patent for a head holder attachment for type writers. This invention is for the purpose to make a removable attachment that holds prearranged headings.
Date:
September 22, 1903
Creator:
Ambrose, Jennings Grant
Object Type:
Patent
System:
The Portal to Texas History
Fire Alarm System
Patent for a new and improved fire alarm system. This alarm system will allow the room on fire to be identified and alert the fire department that there is a fire in that house. Using a minimum number of wires, for safety, this alarm signals only one bell no mater the room on fire.There is also a self test feature within this system.
Date:
January 21, 1915
Creator:
Ammons, John B.
Object Type:
Patent
System:
The Portal to Texas History
Fire-Alarm System.
Patent for "an alarm system consisting of an electric circuit within which as thermally operated circuit closer was placed, which was adapted to sound an alarm when the circuit closer had been closed by an operation of the thermal elements of the circuit closer." (lines 78-84) including instructions and illustrations.
Date:
March 16, 1915
Creator:
Ammons, John B.
Object Type:
Patent
System:
The Portal to Texas History
Automatic Fire-Alarm System.
Patent for an automatic fire alarm system with a simple arrangement of alarm devices (positioned throughout different rooms) with sound or visual indicators for fire awareness and closer thermal circuits (assisted with spring contact and circuit closer). The automatic fire alarm system will have a more immediate reaction by making an alert noise or visual and propping open the spring contact.
Date:
March 16, 1915
Creator:
Ammons, John Burck; Ammons, Evander & McGaffey, Otis
Object Type:
Patent
System:
The Portal to Texas History
Oil Burner for Heating Purposes
Patent for an oil burner for heating purposes. This is an improvement for the burning of liquid and gaseous fuel burners.
Date:
November 10, 1903
Creator:
Anderson, George S. & Jevons, Benjamin F.
Object Type:
Patent
System:
The Portal to Texas History
Railway Frog
Patent for railway frog. This invention is an object to provide an improved mounting of the wing rail. Illustration included.
Date:
May 30, 1905
Creator:
Anderson, Sidney A.
Object Type:
Patent
System:
The Portal to Texas History
Arc-Lamp
Patent for an arc lamp which does not spark for use in headlights for trains and automobiles and in street lights.
Date:
June 28, 1910
Creator:
Anderson, Thomas J.
Object Type:
Patent
System:
The Portal to Texas History
Apparatus for Making Cotton-Bales.
Patent for improvement in apparatus for making cotton-bales from continuous sheets or bats by “employing only a single press and which permits the ginning and bat-forming devices to be operated continuously which accumulated the cotton in light and fleecy condition during the covering and removal of the bales, which feeds the cotton from the accumulator to the baling apparatus whenever this is desired.” (Lines 68-75) Illustration is included.
Date:
June 18, 1901
Creator:
Anderson, William E.
Object Type:
Patent
System:
The Portal to Texas History
Separating Apparatus
Patent for separating apparatus. Illustration included.
Date:
October 25, 1904
Creator:
Anderson, William E. & Tompkins, Stonewall
Object Type:
Patent
System:
The Portal to Texas History
Air-Lift for Elevating Liquids.
Patent for a pneumatic lift that maintains the air pressure needed to effectively move liquid through a pipe.
Date:
June 29, 1915
Creator:
Andrews, Benjamin
Object Type:
Patent
System:
The Portal to Texas History