UNT Libraries Government Documents Department - 38 Matching Results

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Cattle-Guard for Railroads.

Description: 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.

Spark-Arrester.

Description: 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.

Texas Attorney General Opinion: DM-484

Description: 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 St… more
Date: November 6, 1998
Creator: Texas. Attorney-General's Office.

Texas Attorney General Opinion: WW-931

Description: 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.

Texas Attorney General Opinion: WW-1007

Description: 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… more
Date: March 6, 1961
Creator: Texas. Attorney-General's Office.

Texas Attorney General Opinion: H-1131

Description: 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.

Blade Holder.

Description: 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.

Valve-Gear for Engines.

Description: 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

Improvement in Rotary Engines.

Description: 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

Vending-Machine.

Description: Patent for improvements in the construction of coin-operated vending machines which automatically lock when coins are not inserted. This device is designed to dispense objects of many shapes and sizes. Illustrations included.
Date: January 6, 1920
Creator: Ogden, Carlton N.

Mechanism for Converting Motion

Description: 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

Steam-Generating Plant

Description: Patent for improvements in steam-generating plants. The most notable change is that the boiler proper is separate from the furnace proper but still contains the water, steam, and fire tubes.
Date: March 6, 1919
Creator: Connelley, Edward

Pump.

Description: Patent for a pump for deep wells with a "specially constructed piston capable of a powerful working stroke and which will secure at all times a full volume of liquid at each stroke of the pumping rod." (line 25) including instructions and illustrations.
Date: July 6, 1920
Creator: Humason, Granville Allison

Hay and Cotton Press.

Description: 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] ha… more
Date: March 6, 1883
Creator: Hampton, John Andrew

Shutter-Hinge

Description: 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.
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