Collection
Texas Patents
1,054
United States Census Map Collection
757
Texas State Publications
612
USGS Topographic Map Collection
210
Texas Attorney General Opinions
43
Docs In The News
19
Texas Laws and Resolutions Archive
17
Technical Report Archive and Image Library
2
Texas Soil Surveys
2
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San Antonio Monthly Reports
243
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220
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219
2000 Census County Subdivision Block Map
188
San Antonio Board of Review for Historic Districts and Landmarks Monthly Report
159
2000 Census County Block Map
157
1990 Census County Block Map
156
2010 Census County Block Map
123
2010 Census P.L. 94-171 County Block Map
123
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2,697 Matching Results
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Wood Screw.
Patent for a new and improved wood screw. This design "consists of a screw-head having on the underside . . . cutting-edges alternating with flat and deep interspaces or notches, said notches completely filling the circuit of the screw-head and the notches gradually increasing in width and depth from the screw-shank to the crown of the head, thus enabling the cutters to clear themselves" (lines 12-20).
Date:
November 23, 1880
Creator:
Eckford, John
Object Type:
Patent
System:
The Portal to Texas History
Car Coupling.
Patent for a new and improved design for freight car coupling. This design calls for a sliding block, with the assistance of metal pins, to lock the link between two freight cars firmly in place. This eliminates the possibility of accidental disconnect.
Date:
January 11, 1881
Creator:
Upson, Bolivar J.
Object Type:
Patent
System:
The Portal to Texas History
Bench Clamp.
Patent for a new and improved bench clamp. This design, "[b]eing made of iron or other suitable material . . . is strong, durable, and inexpensive. It requires no bolts or screws to secure it to the work-bench or other object where its use may be required, and can be put in position and removed easily and quickly. It occupies but little room on account of its compactness, and can be applied to any piece of work without marring it" (lines 72-80).
Date:
January 25, 1881
Creator:
Murphy, James
Object Type:
Patent
System:
The Portal to Texas History
Car Truck.
Patent for a new and improved car-truck. This design "consists in providing the lateral guide-wheels with long axles which are inclined at an angle of about forty-five degrees to the ordinary truck-wheels, and in providing the bolsters of the truck with a central opening, and otherwise constructing the same with a view to attachment of such inclined axles" (lines 17-24).
Date:
February 22, 1881
Creator:
Beaumont, Franklin, Jr.
Object Type:
Patent
System:
The Portal to Texas History
Hydraulic Air-Compressor.
Patent for an improved hydraulic air compressor: "The principal object of my invention is to provide the cylinder with a pressure and water regulating device" (lines 7-9).
Date:
March 1, 1881
Creator:
Freeman, William R.
Object Type:
Patent
System:
The Portal to Texas History
Pump.
Patent for a new and improved pump. This design "has been specially devised for use in pumping gas, air, or vapor — as in ice-machines, for instance — and mainly with reference to attaining circulation with low pressure; but when operated at high speed considerable pressure may be attained therewith, whether operating upon vapors or liquids, as . . . [the] pump involves a novel mode of operation, in that it possesses characteristics partially common to pumps of the rotary system, as well as to those having a reciprocating piston" (lines 10-21).
Date:
July 19, 1881
Creator:
Rose, Thomas
Object Type:
Patent
System:
The Portal to Texas History
Method of Working Volatile Hydrates for Artificial Refrigeration.
Patent for a new and improved method of working volatile hydrates for refrigeration. This invention "consists in the continuous circulation through a chamber to be refrigerated of aqueous solution of volatile matter previously cooled by the expansive elimination therefrom of a portion of said volatile matter" (lines 64-68).
Date:
July 26, 1881
Creator:
Rose, Thomas
Object Type:
Patent
System:
The Portal to Texas History
Pressing and Drying Garments.
Patent for pressing and drying pantaloons and garments which includes a hollow form made of sheet metal that is closed steam-tight and uses a steam pipe inside to dry the garments.
Date:
October 8, 1881
Creator:
Wolf, Louis
Object Type:
Patent
System:
The Portal to Texas History
Method of Working Hydrated Volatile Refrigerating Agents, and Apparatus for Ice Making and Refrigeration.
Patent for a new method of working hydrated volatile refrigerating agents and a new refrigerator. This design "involve[s] the use of such highly volatile matters as are capable of hydration — as, for instance, ammonia, that being the refrigerating agent preferable to all others . . . [and] is a simplification in the mode of operation, and in apparatus which enables the employment of comparatively unskilled labor, the production of apparatus at comparatively low cost, and the working of the ammonia-gas at comparatively low pressure, thus obviating the dangers" (lines 13-24).
Date:
August 2, 1881
Creator:
Rose, Thomas
Object Type:
Patent
System:
The Portal to Texas History
Automatic Service Cock.
Patent for a new and improved automatic service cock. This design "furnish[es] an improved automatic valve to form the connection between the water-main or distributing pipe and the service-pipe of a building for regulating the flow and pressure of water in such service-pipe and preventing overpressure" (lines 7-12).
Date:
December 20, 1881
Creator:
Freeman, William R.
Object Type:
Patent
System:
The Portal to Texas History
Pressure Regulator for Fermented Liquids.
Patent for a new and improved pressure regulator for fermented liquids. This design "has for its object to provide an improved automatic hydraulic apparatus for supplying compressed air to kegs or casks containing fermented liquids, to replace the vacuum caused by drawing off a portion of the said liquid, and thus to maintain a uniform pressure in such vessels as long as any portion of their contents remain to be drawn therefrom" (lines 8-15).
Date:
December 27, 1881
Creator:
Freeman, William R.
Object Type:
Patent
System:
The Portal to Texas History
Constructing Béton or Artificial Stone Curbing.
Patent for a new and improved curbing. This design "consists in a method for constructing [artificial-stone curbing] in the trench in which it is required to be laid; and it further consists in molds for accomplishing such result with accuracy and dispatch" (lines 9-14).
Date:
June 20, 1882
Creator:
Burns, James
Object Type:
Patent
System:
The Portal to Texas History
Compound for Making Brick, Tile, &c.
Patent for creating brick, tile and other material using hydraulic cement and magnesian lime-stone.
Date:
June 27, 1882
Creator:
Hunt, Henrey Hardon
Object Type:
Patent
System:
The Portal to Texas History
Method of and Apparatus for the Construction of Concrete Abutments, Bridge Piers, &c.
Patent for a new and improved method of making béton concrete. This design "consists of a method of building piers and abutments in a monolithic character of cement, sand, and broken stone or gravel, called 'béton concrete,' by laying the same in sectional molds contrived to add successive sections to the molds as the height of the structure increases, the molds being supported against the lateral pressure upon the sides by rods passing through the structure, and being removable when the material solidifies" (lines 8-18).
Date:
June 27, 1882
Creator:
Burns, James
Object Type:
Patent
System:
The Portal to Texas History
Plaque and Picture Hanger.
Patent for a new and improved holder for plaques and pictures. This design "is to provide a simple and cheap device for conveniently hanging painted or ornamental plaques, plates, tiles, and similar decorative objects" (lines 15-18).
Date:
July 25, 1882
Creator:
Marucheau, Elizabeth L.
Object Type:
Patent
System:
The Portal to Texas History
Baggage Check and Clasp.
Patent for a new and improved baggage check and clasp. This design "consists in a novel construction and arrangement of a check, a direction-plate, and a clasp for securing said parts to an article of baggage" (lines 18-21).
Date:
August 1, 1882
Creator:
McLeary, James Harvey
Object Type:
Patent
System:
The Portal to Texas History
Horse Power.
Patent for a new and improved "horse power" (engine). This design "convert[s] the force expended by the horse—in pushing as well as in pulling—into power by the use of a solid shaft turned by the revolving platform and working inside of a sleeve-shaft, which is turned by the lever. . . . by means of which all the force expended by the horse is utilized" (lines 11-18).
Date:
August 1, 1882
Creator:
Tumey, Charles Henry
Object Type:
Patent
System:
The Portal to Texas History
Combined Seed Planter and Cultivator.
Patent for a new and improved combined seed planter and cultivator. This design "is to provide combined seed-planters and cultivators constructed in such a manner that the seed-planting mechanism can be readily detached when not required for use, and also in such a manner that each plow can be adjusted independently of the others when desired" (lines 18-24).
Date:
August 15, 1882
Creator:
Gifford, George L.
Object Type:
Patent
System:
The Portal to Texas History
Car Coupling.
Patent for a new and improved coupling for railroad cars. This design "consists in the employment of a handled shaft hung in suitable bearings or buffers at the end of the car, and having a wheel provided with a series of pins or arms adapted to be automatically projected and retracted, said shaft also having ratchets engaged by holding-pawls" (lines 15-21).
Date:
November 14, 1882
Creator:
McLeary, James Harvey
Object Type:
Patent
System:
The Portal to Texas History
Combined Pole Tip and Neck Yoke Clamp.
Patent for a new combination wagon-pole tip and neck-yoke clamp. This design "provide[s] a combined wagon-pole tip or socket and neck-yoke clamp of novel construction, which can be easily attached to and detached from the pole or neck-yoke, and which, when in use, will be self-adjusting to the movements of the neck-yoke due to the motion of the team" (lines 9-15).
Date:
November 14, 1882
Creator:
Sibert, Francis William & Hurd, Stephen Porter
Object Type:
Patent
System:
The Portal to Texas History
Telephone-Transmitter
Patent for improvements to telephone transmitters by transmitting the sound waves into electrical currents.
Date:
January 16, 1883
Creator:
Crawford, Witsius A.
Object Type:
Patent
System:
The Portal to Texas History
Cotton Bale Binder.
Patent for a new and improved cotton bale binder. This design "consists of a simple contrivance for binding cotton and other bales together when loaded on flat cars to prevent the load from being shaken apart and separated by the shocks and jolts of the car, and also to prevent the bales from being pulled off by cotton thieves, the said contrivance consisting of two or more hooks having pulleys or eyes strung on a rope, the rope being fastened to one of the eyes or pulleys forming one end of the binder, the hooks being caught in the bands of the bales" (lines 7-18).
Date:
May 8, 1883
Creator:
Burr, Lewis
Object Type:
Patent
System:
The Portal to Texas History
Range-Finder for Rifles.
Patent for range-finder for rifles, with illustrations. The invention "is adapted for ready application to a rifle by producing a simple dovetailed groove in the stock or stock-tip, near the front end" (lines 9-12).
Date:
May 22, 1883
Creator:
Ord, Edward O. C., Jr. & Kress, John A.
Object Type:
Patent
System:
The Portal to Texas History
Insect Destroying Apparatus.
Patent for a new and improved ant trap. This design "relates to apparatus . . . in which a vessel having an open bottom, but closed top and sides, and containing a furnace for burning obnoxious substances, is projected into or made to form a close joint with the ground, and which has a fan or pump combined with it that causes the fumes from the furnace to enter the ant-holes in the ground. [They] have been . . . attended with so many disadvantages . . . [t]he object of [the] invention is to remove these defects . . . [it] shall be efficient, durable, and labor-saving" (lines 8-25).
Date:
August 28, 1883
Creator:
Matthews, James M.
Object Type:
Patent
System:
The Portal to Texas History