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Electric Conductor
Patent for electric conductor with switch cord and plug especially designed for use with multiple electrical circuits, as with a telephone switchboard.
Date:
March 20, 1906
Creator:
Weir, Welby D.
System:
The Portal to Texas History
Cattle-Guard
Patent for a cattle guard for use at railroad tracks incorporating a depressible platform connected to a closing mechanism which will impede movement of cattle across the track, but allow for unobstructed movement at other times.
Date:
March 20, 1906
Creator:
Richter, Fred Otto & Richter, Gustav Adolph
System:
The Portal to Texas History
Bandage.
Patent for bandage that prevents and/or reduces the occurrence of "double chin."
Date:
March 20, 1906
Creator:
Hardee, Virginia E.
System:
The Portal to Texas History
Advertising Device.
Patent for "a simple and inexpensive advertising device adapted to be placed on street corners and other public places and capable of exciting the curiosity and attracting attention, and thereby directing the attention of persons to the advertisement" (lines 11-16).
Date:
March 20, 1894
Creator:
Attaway, Henry F.
System:
The Portal to Texas History
Ant-Trap.
Patent for a new ant trap design using a conical shape and reservoirs for holding kerosene to destroy ants, including illustrations.
Date:
March 20, 1888
Creator:
Kell, Mathew
System:
The Portal to Texas History
Antikicking Device for Automobiles.
Patent for a device that catches the crank of hand crank automobiles which were typical of the early 1900s in the United States of America. The invention addresses controlling the motion of the crank and preventing the crank from causing injury.
Date:
March 20, 1917
Creator:
Miller, Herman P.
System:
The Portal to Texas History
Well-Pulley.
Patent for a new and improved well pulley, including instructions and illustrations.
Date:
March 20, 1900
Creator:
Foster, James
System:
The Portal to Texas History
Valve.
Patent for a new and useful valve, including instructions and illustrations.
Date:
March 20, 1900
Creator:
Fox, John C.
System:
The Portal to Texas History
Switch.
Patent for a switch mechanism for use on railroads. The switch can be installed without cutting the railroad tracks. Instructions and illustrations are included.
Date:
March 20, 1917
Creator:
Allen, Gus V.
System:
The Portal to Texas History
Improvement in Adjustable Hats
Patent for an improvement to adjustable hatband which includes directions and illustrations.
Date:
March 20, 1877
Creator:
Cassiano, I. Ygnacio
System:
The Portal to Texas History
Improvement in Convertible Wagon-Bed and Hay-Rack.
Patent for "an ordinary wagon-bed with sides and a rear end board or gate, which are both adjustable and removable, and attach slats or bars to said sides and end-board in such manner that they may be extended laterally when requires, to practically increase the width of the wagon-bed." (Lines 12-18) Includes instructions and illustrations.
Date:
March 20, 1877
Creator:
O'Neall, James M.
System:
The Portal to Texas History
Millstone-Dress.
Patent for an improved millstone-dress that produce less heat while grinding by employing a greater number of furrows, including illustration.
Date:
March 20, 1860
Creator:
Littlepage, C. V.
System:
The Portal to Texas History
Machine for Cutting Stalks
Patent for machines that cuts rows of stalks, severing them into smaller pieces that will fall to the ground.
Date:
March 20, 1917
Creator:
Smith, Cullen R.
System:
The Portal to Texas History
Explosion Hatch for Oil Containers
Patent for improved explosion hatch for oil containers.
Date:
March 20, 1917
Creator:
Scott, Clarence N.
System:
The Portal to Texas History
Toy.
Patent for a whirligig toy, containing a rotatable platform carrying horse and sleigh figurines that spin in the same direction.
Date:
March 20, 1906
Creator:
Curtis, Zenas Albert
System:
The Portal to Texas History
Spark-Arrester.
Patent for a simple and durable spark arrester for locomotives that has a minimum number of parts and "which will remove arrested sparks to the fire box of the locomotive and will prevent live sparks being thrown out by the locomotive and thereby endanger property adjoining the railroad tracks" (lines 19-23).
Date:
March 20, 1894
Creator:
O'Donnell, John
System:
The Portal to Texas History
Improvement in Machines for Polishing Marble, &c.
Patent for an improved machine that rubs and polishes marble using a sand and water box moving forward and backward to polish the stone without man power and tools, including illustration.
Date:
March 20, 1860
Creator:
Emmett, William
System:
The Portal to Texas History
Pump
Patent for an improvement to pumps. This pump is designed to facilitate pumping of materials from deep oil and water wells.
Date:
March 20, 1920
Creator:
Hunt, David
System:
The Portal to Texas History
Screw Propeller.
Patent for a new and improved screw propeller. This design "connect[s] propellers on the opposite sides of a vessel with one another and with a stern propeller, so that they will act at the same time upon different parts of the vessel in urging her forward," which leads to increased speed (lines 7-11).
Date:
March 20, 1883
Creator:
Gartner, John
System:
The Portal to Texas History
Ice-Cream Freezer.
Patent for an ice-cream freezer that has "a novel construction and relative arrangement of the refrigerating box and the cream cups as will be described whereby to secure a more compact and convenient arrangement of cups and also to effect a rapid and thorough freezing of the cream as desired" (lines 9-14).
Date:
March 20, 1894
Creator:
Stidham, James S.
System:
The Portal to Texas History
Folding Packing Case.
Patent for a new and improved folding packing-case. This design "consists in the construction of a folding packing-case with a bottom tray adapted to receive the inner detachable partitions of the case when it is folded up for transportation, and with a lid formed with flanges adapted to overlap and inclose and thus protect the edges of the sides and ends of the case and tray when folded down, so that it will the more securely withstand rough handling in shipment, and in providing ventilating-apertures in the sides of the case, to be left open or closed at pleasure" (lines 19-30).
Date:
March 20, 1883
Creator:
Van Hutton, William B.
System:
The Portal to Texas History
Concrete Step Mold
Patent for concrete that when used multiple times will produce a flight of stairs.
Date:
March 20, 1917
Creator:
Baldwin, Thomas H.
System:
The Portal to Texas History
Step for Railway Cars and the Like
Patent for extendable step for railway cars, and the like.
Date:
March 20, 1917
Creator:
Dixon, John M.
System:
The Portal to Texas History
Railroad-Rail Joint.
Patent for new and useful improvements in railroad rail joints, including instructions and illustrations.
Date:
March 20, 1900
Creator:
Hopping, Samuel Miller
System:
The Portal to Texas History