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494 Matching Results
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481 - 494 of
494
Cigarette Package.
Patent for "new and useful Improvements in Cigarette Packages" (lines 5-6) including "the method of dispensing or extracting cigarettes from the package and as well to the method of making a cigarette package" (lines 9-12), including one illustration.
Date:
September 5, 1922
Creator:
Sohn, Elmer L.
System:
The Portal to Texas History
Dynamo-Electric Machine
Patent for a new and useful improvement in a dynamo-electric machine to provide a rotor in which certain coils of the winding are automatically cut out and utilized as open coils to prevent the turns in those coils from having a demagnetizing action. Another objective is to provide a rotor whose core consists of non-magnetic material to refuce the inductance and self-induction of the winding and the sparking at the commutator due to the shifting of the magnetic field and the neutral or point of commutation.
Date:
January 10, 1922
Creator:
Kuhn, Preston Holmes
System:
The Portal to Texas History
Foldable Hacksaw.
Patent for a foldable hacksaw, including illustrations. The foldable hacksaw is "of rigid construction, at the same time being foldable...so that it may be readily carried in the pocket" (lines 13-16).
Date:
June 7, 1921
Creator:
Barner, Lawrence Dunston
System:
The Portal to Texas History
Valve and Valve-Seat.
Patent for a valve and valve seat made of stainless steel for the purpose of preventing rusting and corrosion.
Date:
September 20, 1921
Creator:
Bevelle, Joseph C. & Smith, Joseph J.
System:
The Portal to Texas History
Car-Coupling
Patent for "improved and simple means for automatically and positively coupling the adjacent ends of railway-cars together" (lines 25-27).
Date:
April 9, 1889
Creator:
Campbell, George W.
System:
The Portal to Texas History
Car-Coupling.
Patent for a simple, durable, and safe car-coupling that will not accidentally uncouple, and can uncouple without the operator stepping between the cars. It "consists principally of a knuckle pivoted in the drawhead and provided with cam surfaces, and an arm mounted to swing and adapted to engage the said cam surfaces to open and close the knuckle" (lines 14-18). The coupling can also couple cars of different heights.
Date:
September 18, 1894
Creator:
Schairer, John Jacob
System:
The Portal to Texas History
Circulating-Fan
Patent for a circulating fan for cooling rooms. Illustrations included.
Date:
July 11, 1911
Creator:
Jalonick, Hartwell
System:
The Portal to Texas History
Dirigible Headlight
Patent for improving headlights for automobiles and other vehicles. Improvements include simpler, yet effective, connectivity between the head lamps and the steering mechanism.
Date:
August 30, 1921
Creator:
Davis, Robert E.
System:
The Portal to Texas History
Advertising Chair
Patent for a rocking chair for displaying advertisements. Illustrations included.
Date:
May 24, 1910
Creator:
Biehl, Antonio
System:
The Portal to Texas History
Container
Patent for container of heavy fluids and greases able to expel the contents through an opening. This is intended to replace ordinary salve jars, which do not protect contents from contaminants.
Date:
June 14, 1921
Creator:
Bronson, Arthur S.
System:
The Portal to Texas History
Coin-Wrapping Device.
Patent for a coin wrapper (primarily used in banks) that uses a strip of carbon paper to create an imprint of the coins contained inside, which will remain after the coins are removed. The purpose of this is to create a record of the original number of coins to facilitate their counting and verification.
Date:
November 15, 1921
Creator:
Mohr, Arthur D.
System:
The Portal to Texas History
Piston Packing
Patent for an improved means of packing pistons in gas, steam, or similar engines, which reduces the likelihood of loss of compression.
Date:
September 27, 1921
Creator:
Williams, Nolan S.
System:
The Portal to Texas History
Automatic Separator and Evaporator.
Patent for an improved automatic separator and evaporator which controls the intake with an included air-lift or jet-ejector, including illustrations.
Date:
April 5, 1921
Creator:
Allen, Charles
System:
The Portal to Texas History
Clamp for Molds.
Patent for improved clamp, which releases quickly when facilitating mold removal.
Date:
August 14, 1917
Creator:
Watson, Henry
System:
The Portal to Texas History