Collection
United States Census Map Collection
524
Texas Patents
494
USGS Topographic Map Collection
268
Texas State Publications
51
Texas Attorney General Opinions
17
Texas Laws and Resolutions Archive
14
Technical Report Archive and Image Library
2
Government Documents General Collection
2
Office of Scientific & Technical Information Technical Reports
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2000 Census County Subdivision Block Map
117
2010 Census County Block Map
105
2010 Census P.L. 94-171 County Block Map
104
2000 Census County Block Map
98
1990 Census County Block Map
97
7.5 Minute Series (Topographic)
97
Digital US Topo Maps: 7.5 Minute Series (Topographic)
64
15 Minute Series (Topographic)
35
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
24
30 Minute Series
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1,373 Matching Results
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Apparatus For Desulfurizing Matte Or Other Furnace Products
Patent for a new and improved apparatus for desulfuring matte or other furnace products.
Date:
November 9, 1897
Creator:
Wells, James L.
Object Type:
Patent
System:
The Portal to Texas History
Book or Music Leaf Turner.
Patent for a music page turner, which can be operated by a lever or foot pedal.
Date:
October 22, 1907
Creator:
Alrich, Henry
Object Type:
Patent
System:
The Portal to Texas History
Burial Apparatus.
Patent for certain new and useful improvements in "a burial device adapted particularly for use as a cemetery hearse and also for depositing the casket in the grave" (line 12 - 15).
Date:
June 7, 1898
Creator:
Thorne, Richard Hamilton
Object Type:
Patent
System:
The Portal to Texas History
Condenser.
Patent for a condenser for a hot water heater for use in homes.
Date:
October 8, 1907
Creator:
Nenninger, Oscar Alfred
Object Type:
Patent
System:
The Portal to Texas History
Automatic Silt And Sand Separator.
Patent for an automatic silt and sand separator that settles and discharges sand, slimes and any foreign matters.
Date:
March 15, 1904
Creator:
Allen, Charles
Object Type:
Patent
System:
The Portal to Texas History
Collapsible Coffee-Pot.
Patent for a new and improved collapsible coffee pot and similar receptacles, including illustrations.
Date:
June 6, 1911
Creator:
Irwin, Walter W.
Object Type:
Patent
System:
The Portal to Texas History
Boiler Stay Bolt
Patent for a boiler stay bolt. Illustration included.
Date:
September 20, 1904
Creator:
Peters, Joseph & Coleman, John
Object Type:
Patent
System:
The Portal to Texas History
Automatic Multiple Fuse Block
Patent for an automatic multiple fuse block. This invention is "provided a normally inactive shunt circuit through which, when a fuse is blown, the current is diverted to an electro-mechanical means which, when the rush of current causing the fuse to blow" (16-21). Illustration included.
Date:
February 18, 1908
Creator:
Mayo, William C.; Houlehan, John & Briggs, George E.
Object Type:
Patent
System:
The Portal to Texas History
Cleaning Apparatus.
Patent for a cleaning apparatus, which cleans objects by blasting air across them and has an air cleaning system for use after the cleaning is done.
Date:
June 1, 1909
Creator:
Mayo, William C. & Houlehan, John
Object Type:
Patent
System:
The Portal to Texas History
Combined Indian Club and Dumb-Bell.
Patent for a combined Indian club and dumbbell, which are easily interchanged and having varying weights.
Date:
October 19, 1909
Creator:
Burr, William H.
Object Type:
Patent
System:
The Portal to Texas History
Apparatus for Utilizing Hot Slag for Heating Purposes
Patent for an apparatus which holds molten slag in the exterior chambers of the receptacle such that the interior chambers can receive water to be heated, producing steam and hot air.
Date:
September 11, 1900
Creator:
Wells, James L.
Object Type:
Patent
System:
The Portal to Texas History
Chimney
Patent for a chimney. Illustration included.
Date:
January 7, 1905
Creator:
Palladino, Gaetano
Object Type:
Patent
System:
The Portal to Texas History
Air-Lock for Mines and Tunnels
Patent for an air lock to remove water, polluted air, and heat from mines and tunnels and force in fresh air. Illustrations included.
Date:
September 8, 1908
Creator:
Durack, Partick H.
Object Type:
Patent
System:
The Portal to Texas History
Apparatus for Catching Waste Products From Lead, Silver, or Other Smelters.
Patent for certain new and useful improvements in apparatus for "catching the waste products from lead, silver , or other smelters" (line 5 - 7).
Date:
June 6, 1899
Creator:
Sergeant, Walter
Object Type:
Patent
System:
The Portal to Texas History
Controlling System for Motor-Traction Cars.
Patent for controlling systems for motor traction cars. These controlling systems provide automatic control outside the volition of the motorman.
Date:
April 2, 1912
Creator:
Mayo, William C.; Briggs, George E. & Houlehan, John
Object Type:
Patent
System:
The Portal to Texas History
Carrier for Game
Patent for new and improved carrier for game. "The purpose of the invention is to provide a very light, simple, durable, economic, and effective device for carrying game adapted to be worn across the shoulder and which is held in place simply by the weight of the load". (lines 8-13). Includes description, instructions, and illustrations.
Date:
March 7, 1906
Creator:
Paul, James Mount
Object Type:
Patent
System:
The Portal to Texas History
Aparejo
Patent for more efficient and durable pack-saddle (aparejo) used by United States Army. Casing involves hollow boot-sticks and rubber-encased steel, with better fitting to prevent fatigue of animal.
Date:
February 11, 1902
Creator:
Keller, John & Titsworth, Richard
Object Type:
Patent
System:
The Portal to Texas History
Composite Railway-Tie.
Patent for a railway tie made from concrete and iron, which is more durable than previous ties of this type.
Date:
November 5, 1907
Creator:
Smith, John
Object Type:
Patent
System:
The Portal to Texas History
Combined Faucet and Bottle-Washer
Patent for "a faucet which can be used merely as a faucet or which can be used for washing bottles, as may be desired" (lines 14-16).
Date:
April 9, 1901
Creator:
Horsley, John Shelton
Object Type:
Patent
System:
The Portal to Texas History
Brake-Operating Mechanism
Patent for a brake operating mechanism for street cars that is easy to operate and behind a guard rail or cover.
Date:
March 14, 1911
Creator:
Irwin, Walter W.
Object Type:
Patent
System:
The Portal to Texas History
Combined Pen and Pencil Rack
Patent for a pen and pencil rack. Illustrations included.
Date:
November 26, 1907
Creator:
Twaddell, Janie S.
Object Type:
Patent
System:
The Portal to Texas History
Combined System of Electric Signaling and Switch Setting for Railroads
Patent for improved system of electric signaling and opening and closing rail systems.
Date:
April 17, 1906
Creator:
Wagner, Bruno Otto
Object Type:
Patent
System:
The Portal to Texas History
Car Brake.
Patent for a new and improved car-brake. This design consists in "[t]he combination, with the transverse beam of the truck, of the levers pivoted to the under side of the same, the brake-shoes, the pitmen connecting the brake-shoes with the levers, the straps secured to the beam, the retaining-rods having their ends pivoted to the pitmen and the straps, and devices for operating the levers" (lines 94-101).
Date:
March 19, 1889
Creator:
Mayer, Charles
Object Type:
Patent
System:
The Portal to Texas History
Car-Coupling
Patent for "improved and simple means for automatically and positively coupling the adjacent ends of railway-cars together" (lines 25-27).
Date:
April 9, 1889
Creator:
Campbell, George W.
Object Type:
Patent
System:
The Portal to Texas History