Improved Mode of Preserving Meat. (open access)

Improved Mode of Preserving Meat.

Patent for a process that claims to preserve meat. The patent includes only instructions and no illustrations.
Date: October 6, 1868
Creator: Perl, M.
Object Type: Patent
System: The Portal to Texas History
Improvement in Rotary Engines. (open access)

Improvement in Rotary Engines.

Patent for rotary engines "driven by steam or other elastic agent, or which may be used for pumping water" (lines 29-32) to obtain "a more direct application of the force applied to drive the engine" (lines 39-40) including instructions and illustrations.
Date: February 6, 1872
Creator: Richardson, John Dun
Object Type: Patent
System: The Portal to Texas History
Improvement in Car-Brakes. (open access)

Improvement in Car-Brakes.

Patent for improved railway car-brakes, including illustrations.
Date: July 6, 1875
Creator: O'Hara, Richard C.
Object Type: Patent
System: The Portal to Texas History
Cattle-Guard for Railroads. (open access)

Cattle-Guard for Railroads.

Patent for a cattle-guard for railroads that is "a series of plates or slates mounted with the capability of partial or complete rotation on axes substantially parallel with the rails and between the said rails and on either side of the track so as to span the road bed or space between the ends of the fence" (lines 25-31). The plates have longitudinal flanges with serrated edges.When the cattle step on the guard, they will experience pain and avoid the spot.
Date: February 6, 1894
Creator: Lee, Jacob M.
Object Type: Patent
System: The Portal to Texas History
Spark-Arrester. (open access)

Spark-Arrester.

Patent for concepts and designs used to improve performance of Spark-Arresters used in the smoke stacks of locomotives with illustrations and instructions.
Date: April 6, 1880
Creator: Wiggin, John E.
Object Type: Patent
System: The Portal to Texas History
Valve-Gear for Engines. (open access)

Valve-Gear for Engines.

Patent for "a new and useful improvement in Steam-Engine Valve-Gears." The invention consists in "combining with a crank-shaft and a valve-shaft a lever, shaft, and two friction-wheels" (lines 4-9)
Date: July 6, 1880
Creator: Josserand, Peter
Object Type: Patent
System: The Portal to Texas History
Hay and Cotton Press. (open access)

Hay and Cotton Press.

Patent for a new and improved baling press. This design is for "[a]n improved device for retaining a compressed bale in its condensed state after the follower is withdrawn, which consists of pawls pivoted in holes in the sides of the press-box and projecting toward the rear end of the press-box . . . [and] [t]he combination, with the follower rack-bar, the pinions, the shafts, having suitable pulleys, adapted to be connected by belts, of two clutches, and a centrally-pivoted lever having [a] handle, whereby the power may be reversed without changing the direction of the drive-shaft" (lines 71-83).
Date: March 6, 1883
Creator: Hampton, John Andrew
Object Type: Patent
System: The Portal to Texas History
Cultivator (open access)

Cultivator

Patent for a cultivator for cotton and or corn.
Date: January 6, 1891
Creator: Neitsch, Fred T.
Object Type: Patent
System: The Portal to Texas History
Texas Attorney General Opinion: WW-931 (open access)

Texas Attorney General Opinion: WW-931

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Will Wilson, regarding a legal question submitted for clarification: Application of Article 2900a to the Houston Independent School District under the facts stated.
Date: September 6, 1960
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: WW-1007 (open access)

Texas Attorney General Opinion: WW-1007

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Will Wilson, regarding a legal question submitted for clarification: Whether the County Health Officer of Harris County is authorized to enter into, examine, investigate, inspect and view any ground, public building, factory, slaughter house, etc., and any other public place where he deems it proper for the enforcement of the rules of the sanitary code for Texas and of any health law, sanitary law or quarantine regulation of this State?
Date: March 6, 1961
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: H-1131 (open access)

Texas Attorney General Opinion: H-1131

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, John L. Hill, regarding a legal question submitted for clarification: Authority of Harris County to provide certain potable water facilities.
Date: March 6, 1978
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: DM-484 (open access)

Texas Attorney General Opinion: DM-484

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Dan Morales, regarding a legal question submitted for clarification: Whether Water Code section 53.063(2), requiring a fresh-water-supply district supervisor to own land in the district, and a parallel provision in the Brookshire-Katy Drainage District's enabling act violate the Equal Protection Clause of the United States Constitution, and related question (RQ-983)
Date: November 6, 1998
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Umbrella (open access)

Umbrella

Patent for an umbrella. Illustration included.
Date: November 6, 1906
Creator: Mangelsdorf, Gustav A.
Object Type: Patent
System: The Portal to Texas History
Mechanism for Converting Motion (open access)

Mechanism for Converting Motion

Patent for mechanism for converting motion. "The present invention relates to mechanism for converting reciprocatory into rotary motion; and the objects are to provide a practical apparatus of this character in which rotary motion may be imparted to a driven member without occasioning any dead-centers and to provide simple means reversing the direction of motion of the driven member" (line 10-19). Illustrations included.
Date: October 6, 1903
Creator: Griffin, George L.; Griffin, Robert Alonzo; Griffin, Chelsea Beach & Griffin, Herbert Elvia
Object Type: Patent
System: The Portal to Texas History
Washing Machine (open access)

Washing Machine

Patent for a washing machine. Illustration included.
Date: April 6, 1909
Creator: Hamilton, Walter Scot & Williams, James Rozier
Object Type: Patent
System: The Portal to Texas History
Shutter-Hinge (open access)

Shutter-Hinge

Patent for a shutter hinge made of sheet metal which does not creak in the wind and is sturdier than older hinges made of cast metal.
Date: October 6, 1908
Creator: Williams, John B.
Object Type: Patent
System: The Portal to Texas History
Wind-Stacker (open access)

Wind-Stacker

Patent for a wind stacker to be adapted to threshers. Illustrations included.
Date: June 6, 1911
Creator: Richmond, George E.
Object Type: Patent
System: The Portal to Texas History
Rotary Engine (open access)

Rotary Engine

Patent for a rotary engine. This invention consists of a "stationary jacket and a rotor revoluble therein with a maximum degree of power and a minimum of friction" (lines 11-14). Illustrations included.
Date: August 6, 1912
Creator: Bosley, William C.
Object Type: Patent
System: The Portal to Texas History
Cotton-Picking Machine (open access)

Cotton-Picking Machine

Patent for a cotton picking machine. Illustrations included.
Date: September 6, 1910
Creator: Stoops, Harry James
Object Type: Patent
System: The Portal to Texas History
Blade Holder. (open access)

Blade Holder.

Patent for an improved blade-holder that is simple in construction and can be manufactured at a lower cost. It is designed to "permit of the blades being readily and quickly assembled in the holder and permanently clamped therein to prevent any accidental displacement or movement of the blades from such holder during the stropping." (lines 16-21), including illustrations.
Date: November 6, 1917
Creator: Harriss, Wade H.
Object Type: Patent
System: The Portal to Texas History
Rotary Boring Drill (open access)

Rotary Boring Drill

Patent for rotary boring drill with explanation and the accompanying illustrations.
Date: November 6, 1917
Creator: Hughes, Howard R
Object Type: Patent
System: The Portal to Texas History
Belt Tightener for Pumps. (open access)

Belt Tightener for Pumps.

Patent for belt tighteners for well pumps which decreases the amount of force necessary to tighten a pump. Patent includes instructions and illustrations.
Date: March 6, 1917
Creator: Layne, Mahlon E.
Object Type: Patent
System: The Portal to Texas History
Valve. (open access)

Valve.

Patent for an improvement in sealing capabilities for water pump valves, including illustrations.
Date: July 6, 1915
Creator: Shelp, William B.
Object Type: Patent
System: The Portal to Texas History
Locking Device for Automobiles (open access)

Locking Device for Automobiles

Patent for automobiles to lock the steering shaft so that it is un-driveable and cannot be stolen and driven away without the key.
Date: June 6, 1916
Creator: Kavanaugh, Nelson J.
Object Type: Patent
System: The Portal to Texas History