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386 Matching Results
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Account-Index.
Patent for an account index card holder with “superposed parallel arms” (lines 111-112) that allow portions of the front and reverse side of each card to be visible. The holder and its supports may be used with a system for organizing, tracking, and indexing accounts.
Date:
November 4, 1913
Creator:
Roach, William Eli
System:
The Portal to Texas History
Adding-Machine
Patent for adding machine that has improvements such as a controllable disk to avoid over or under rotation and simpler means of adding and removing adding disks.
Date:
February 16, 1915
Creator:
Sweet, William F. & Tideman, S.
System:
The Portal to Texas History
Adding-Machine
Patent for improvements to adding machines, which is key-operated and includes a vertically disposed shaft and a means to actuate the sliding plate.
Date:
January 5, 1915
Creator:
Gatewood, William F.
System:
The Portal to Texas History
Adjustable Split Lock-Nut or Union
Patent for an adjustable split cock-nut or union that is of a simple, cheap, and efficient construction with an intended use on valve rods of internal combustion engines. This device is designed to withstand direct pressure, blows, and torque forces.
Date:
December 2, 1919
Creator:
Dickinson, Harry E.
System:
The Portal to Texas History
Adjustable Trunk-Rack
Patent for a trunk-rack that is adjustable and sturdy. The trunk-rack design indicates that the rack has wheels and adjustable components to accommodate various sized pieces of luggage.
Date:
April 15, 1919
Creator:
Wessinger, Lon Woodram
System:
The Portal to Texas History
Advertising-Sign
Patent for large outdoor advertising sign that is inexpensive to illuminate but still catches attention by providing the illusion of movement.
Date:
August 20, 1918
Creator:
Craig, Richard M.
System:
The Portal to Texas History
Advertising-Sign.
Patent for an advertisement sign with a translucent display band that illuminates different sections of letters, numbers, or figures, in various colors, giving the appearance of animation.
Date:
August 5, 1919
Creator:
Craig, Richard M.
System:
The Portal to Texas History
Aeration and Subirrigation for Promoting Vegetation
Patent for large terminal that can be implanted into the ground, which can supply air and moisture into the surrounding soil to stimulate growth of vegetation.
Date:
October 10, 1916
Creator:
Rife, Archibald H.
System:
The Portal to Texas History
Aeroplane
Patent for an aeroplane which has its equilibrium maintained by the operator through levers that bring the plane up or down.
Date:
December 6, 1910
Creator:
McManus, Augustus F. W.
System:
The Portal to Texas History
Aeroplane
Patent for an aeroplane. Illustrations included.
Date:
February 11, 1913
Creator:
Goodrich, Luman L., Jr.
System:
The Portal to Texas History
Aeroplane
Patent for an aeroplane that will maintain its balance in the air automatically
Date:
December 5, 1911
Creator:
McManus, Augustus F. W.
System:
The Portal to Texas History
Air-Brake
Patent for an air brake with instructions and illustrations.
Date:
November 24, 1914
Creator:
Wolf, Gustav B.
System:
The Portal to Texas History
Air-Compressing Apparatus.
Patent for a new air compressing apparatus which employs two kinds of tanks called high pressure containers and low pressure containers charged by means of an air compressing engine.
Date:
March 16, 1915
Creator:
Gebhardt, William Charles
System:
The Portal to Texas History
Air-Lift Pump
Patent for an air lift pump. Illustrations included.
Date:
July 30, 1912
Creator:
Holmgreen, Julius H. & Underwood, William H.
System:
The Portal to Texas History
Air Pipe Coupling
Patent for the air-pipe coupling. This invention relates to improvements in couplers for air other liquid pipes. The improvement is primarily designed for connecting the fluid pipes of an air brake system between the locomotive and coaches of railway trains.
Date:
September 23, 1916
Creator:
Bonelli, Liborio C.
System:
The Portal to Texas History
Air Suction and Force Pump
Patent for improvement in suction and force pumps, a pneumatic lift-and-force pump for raising water from wells.
Date:
October 7, 1913
Creator:
De Hymel, Franklin O.
System:
The Portal to Texas History
Animal-Trap.
Patent for a live animal trap that uses a trigger and allows for live bait. Wire fabric is used to prevent animals from digging and escaping.
Date:
March 3, 1914
Creator:
Herring, Henry H.
System:
The Portal to Texas History
Apparatus for Manufacturing Door Plates or Signs
Patent for a molding and printing device for forming hollow backed signs and name plates.
Date:
March 8, 1910
Creator:
Simmang, Charles Jr.
System:
The Portal to Texas History
Apparatus for Molding Concrete Walls
Patent for an apparatus for molding concrete walls which is easy to assemble and move around and can be used for different size and shape walls.
Date:
March 15, 1910
Creator:
Cross, George F.
System:
The Portal to Texas History
Apparatus for Projecting Motion-Pictures.
Patent for an improvement to motion picture projectors that lowers the operating speed, thus reducing the amount of film needed for movies, and eliminates flickers in the projection. This patent includes instructions and illustrations.
Date:
November 27, 1917
Creator:
Craig, Richard M.
System:
The Portal to Texas History
Apparatus for Separating Wax from Plants
Patent for an apparatus for separating the wax from plants. Illustrations included.
Date:
September 12, 1911
Creator:
Hill, Conrad
System:
The Portal to Texas History
Attachment for Automobiles
Patent for a spring motor attachment for automobiles.
Date:
January 17, 1911
Creator:
Carroll, Houston M.
System:
The Portal to Texas History
Attachment for Coffee-Roasters.
Patent for an attachment to a coffee-roaster that assists in separating coffee beans from foreign matter.
Date:
December 25, 1917
Creator:
Liberto, Samuel
System:
The Portal to Texas History
Attachment For Mowers
Patent for an improving to attachments for mowers that can be attached to shoe of the sickle bar. This attachment helps to raise the grain or growth being cut and bring it into the path of the sickle bar. It also works to ensure the cut grain will fall away from the standing grain.
Date:
February 15, 1916
Creator:
Muller, Hermann W.
System:
The Portal to Texas History