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304 Matching Results
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Player Piano
Patent for a new form of valve for mechanical piano operated by pneumatic mechanisms in which the value is self-centering and does away with the guide pin usually employed, and an amplification of the wippen so that the striker rod is placed at the front of the pneumatic mechanism where it is accessible. The change in leverage permits the use of a smaller pneumatic.
Date:
January 31, 1922
Creator:
Pace, Vara L.
System:
The Portal to Texas History
Method of Casting Chilled Valve-Seats
Patent for making moldings of seats to be more consistent.
Date:
March 11, 1919
Creator:
Boykin, Burwell, Jr.
System:
The Portal to Texas History
Power-Hammer.
Patent for a power hammer that can utilize any power source and only needs one person to operate it. The design also uses less parts, making it more affordable.
Date:
December 13, 1921
Creator:
Karlson, Eric Fritjof
System:
The Portal to Texas History
Horse-Boot.
Patent for a horse boot that covers and protects the hoof and pastern joint of a horse. It also protects the fetlock joint and practically the entire foreleg below the knee. This device allows for the horse to move without being hindered in any way, or without causing chafing. Both protecting the horse and providing additional comfort and safety.
Date:
November 1, 1921
Creator:
McKenzie, Joseph H.
System:
The Portal to Texas History
Train-Line Valve.
Patent for "a cut out cock for pneumatic air brake systems." This invention allows the brake lines to be bled so that all brakes may be applied simultaneously.
Date:
August 30, 1921
Creator:
Weaver, Charles H.
System:
The Portal to Texas History
Vehicle-Wheel.
Patent for an improved vehicle wheel with a demountable tire rim, so that tires can be easily placed on and taken off the wheel.
Date:
December 27, 1921
Creator:
Larson, Christian H.
System:
The Portal to Texas History
Process of Heating Oil-Retorts and Apparatus Therefor.
Patent for "a method of securing even heating of oil retorts and the like throughout their length" and "a new apparatus, particularly intended for the heating and cracking of oils to convert the same into pyrolytic products". The invention may be used for any oil converting retort, but the patent description relates to the production of gasoline.
Date:
August 16, 1921
Creator:
Alexander, Clive M.
System:
The Portal to Texas History
Valve.
Patent for improvements to valves, specifically valves that have a sliding movement on the valve seat and to disk valves. The invention is to provide a valve of this type which is used in the interior of vats, tanks, or similar receptacles containing liquids.
Date:
July 5, 1921
Creator:
Spencer, Elmer H. & Block, A.C.
System:
The Portal to Texas History
Shutter for Motion-Picture Machines.
Patent for a shutter for motion picture cameras to eliminate flickering. Produced by stamping the device from sheet metal.
Date:
August 22, 1922
Creator:
Patureau, Arthur M.
System:
The Portal to Texas History
Game.
Patent for a "a game of skill, rather than a game of chance" (lines 11-12), albeit with elements of a game of chance, in the style of a carnival game. The game consists of a motorized, revolving model airplane and a circular arrangement of nets (one for each player); the airplane drops candy into the winning player's net.
Date:
August 9, 1921
Creator:
Auffurth, Erwin, Jr. & Hjerpe, Erick
System:
The Portal to Texas History
Well Boring Apparatus.
Patent for a well-boring apparatus, an invention of a drilling apparatus using a form of power to transmit rotary movement to the string of a pipe. This invention is designed to lock the rotary elements against movement when the drill or pipe is moved or adjusted within its support.
Date:
November 29, 1921
Creator:
Boykin, Burwell, Jr.
System:
The Portal to Texas History
Electric-Current Relay
Patent for Electric-Current Relay to allow capability of use with either a direct or alternating current. This is adapted for economical use in constant temperature apparatus. Further, this technology avoids the possibility of "sticking of relay movable contacts".
Date:
July 19, 1921
Creator:
Lorenz, Charles O.
System:
The Portal to Texas History
Wire-Winding Machine
Patent for a wire winding machine for making well screens.
Date:
August 20, 1912
Creator:
Eastham, Albert Lindsay
System:
The Portal to Texas History
Wrench
Patent for a wrench. Illustration included.
Date:
May 16, 1905
Creator:
Baldwin, Thomas J.
System:
The Portal to Texas History
Wrench.
Patent for wrench related device "for locking the gripping element after it is applied to the pipe or other pipe (lines 14-15)" including instructions and illustration.
Date:
October 19, 1915
Creator:
Black, Lee J.
System:
The Portal to Texas History
Viscoscometer.
Patent for a device that accurately determines the viscosity of different liquids, particularly oils, and is able to be kept at a uniform temperature.
Date:
June 13, 1916
Creator:
Lorenz, Charles O.
System:
The Portal to Texas History
Variable-Speed-Transmission Gearing.
Patent for an improved transmission gearing that provides "variable speed transmission gearing" (line 10) which allows for different forward and reverse speeds, including illustrations. The variable speed transmission gearing is designed primarily for automobiles and motor vehicles.
Date:
October 5, 1915
Creator:
Maschek, Henry
System:
The Portal to Texas History
Trunk-Strap Fastener.
Patent for a device "whereby a trunk-strap after having been tightly drawn around a trunk or other article of baggage can be fastened without the use of the usual buckle," (lines 10-14) including instructions and illustrations.
Date:
February 13, 1891
Creator:
Webb, William James
System:
The Portal to Texas History
Trunk-Strap Fastener.
Patent for an improved trunk fastener "whereby a strap after having been tightly drawn around a trunk or other article of baggage can be fastened without the use of the usual buckle" (lines 13-16). It consists of a hook-securing mechanism that holds the buckle at one end, an opposite toothed beveled clamping-face, a swinging lever with opposite arms that is connected with the fixed mechanism, a beveled clamping-face between the arms, and a lever that clamps the strap between the beveled clamping faces.
Date:
November 8, 1892
Creator:
Webb, William James
System:
The Portal to Texas History
Improvement in Windmills
Patent for the improvement of wind mills, that includes a detailed description as well as labeled figure drawings.
Date:
May 20, 1873
Creator:
Jackson, Thomas R.
System:
The Portal to Texas History
Valve-Operating Mechanism
Patent for Valve Operating Mechanism that includes "new and useful improvements" (lines 5-6), and "has for its primary object to provide a simple and efficient means for operating a valve at a distance" (lines 10-12).
Date:
September 10, 1918
Creator:
Baurens, Jean Marie, Jr.
System:
The Portal to Texas History
Lawn Mower
Patent for a lawn mower in which the means for adjusting the intermediate blade has been created so that a groove for a predetermined depth can be cut, and easy removal of the blade when it is desired to sharpen the same. Additionally, a ground-engaging roller is included to keep the machine at the same level so that the knife will cut into the ground at an even depth.
Date:
December 5, 1919
Creator:
Coniglio Carmelo
System:
The Portal to Texas History
Lubricating Appara
Patent for a lubricating apparatus used for internal combustion engines, whereby the lubricant or oil is forced, as by a pump, to a distributing tank containing oil under predetermined pressure, and from said tank permitted to drop by gravity or flow under pressure, as desired, to the elements of the engine to be lubricated.
Date:
December 12, 1916
Creator:
Shaw, Robert J.
System:
The Portal to Texas History
Well-Drilling Rig.
Patent, including illustrations, for "an improved well drilling rig or apparatus" which provides "a simple, efficient, and practical machine of this kind including revoluble means having a device operatively connected to a walking beam (from which a drilling tool is suspended), so that upon every complete revolution of the revoluble means, the drilling tool or bit will be given two direct drops, each alternating with the lifting movement of the drill bit" (page 1, lines 11-21).
Date:
February 3, 1920
Creator:
Bradford, Robert M.
System:
The Portal to Texas History