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569 Matching Results

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Speed-Controlling Mechanism for Motor-Vehicles. (open access)

Speed-Controlling Mechanism for Motor-Vehicles.

Patent for a device that automatically closes the throttle to slow the speed of a motor vehicle when necessary. The device is designed to respond to vehicle load, road surface, and a predetermined speed limit.
Date: July 17, 1917
Creator: Carpenter, John C.
System: The Portal to Texas History
Underscoring Attachment for Type-Writers. (open access)

Underscoring Attachment for Type-Writers.

Patent for an improvement on an underscoring attachment for type writers that allows the user to use the functions of underscoring, correcting, and cancelling characters as they type, allowing some functions to occur simultaneously, including instructions and illustrations.
Date: July 17, 1917
Creator: Aiton, Fred
System: The Portal to Texas History
Air Brake Attachment. (open access)

Air Brake Attachment.

Patent for "mechanism for use in connection with railway cars for automatically controlling the air brakes," including instructions and illustrations.
Date: April 17, 1917
Creator: Flowers, Malon Inghram & Sale, Archie Pierce
System: The Portal to Texas History
Dehydrator. (open access)

Dehydrator.

Patent for a continuous dehydrator that has specific use for gold and silver ores, including instructions and illustrations.
Date: April 17, 1917
Creator: Biesel, Charles
System: The Portal to Texas History
Header. (open access)

Header.

Patent for "new and useful improvements in Headers," including illustrations.
Date: April 17, 1917
Creator: Pritchett, William V.
System: The Portal to Texas History
Keyboard for Writing Machines. (open access)

Keyboard for Writing Machines.

Patent for improved keyboards for writing machines "having its keys so arranged that the fingers of the operator may rest upon the keyboard in an easy and natural manner, the keys being so disposed with relation to each other that the fingers of the operator may reach all of them with the least possible strain or exertion" (lines 16-22). This improvement allows the operator to work at maximum speed and efficiency.
Date: April 17, 1917
Creator: Edwards, Alrah B. & Russell, Frank K.
System: The Portal to Texas History
Post Hole Drill (open access)

Post Hole Drill

Patent for Post Hole Drill.
Date: February 17, 1917
Creator: Blue, Lee A.
System: The Portal to Texas History
Violin Piano (open access)

Violin Piano

Patent for an apparatus to play a violin via piano keyboard input. Designed with the notion that it would be an effective method of playing the violin with those already familiar with the piano
Date: January 17, 1917
Creator: Strawn, Jesse C.
System: The Portal to Texas History
Automatic Machine for Manufacturing Mops (open access)

Automatic Machine for Manufacturing Mops

Patent for a machine that will automatically pack yarn strands into the mop handle for quick production of a mop.
Date: October 17, 1916
Creator: Huguley, Carl M.
System: The Portal to Texas History
Bracelet (open access)

Bracelet

Patent for a "friendship bracelet" that has the option of adding or detaching links when necessary.
Date: October 17, 1916
Creator: Cox, Morgan H.
System: The Portal to Texas History
Control Mechanism for Internal Combustion Engines (open access)

Control Mechanism for Internal Combustion Engines

Patent for an object that "[provides] economical mixtures when the engine is running under light load without affecting the power of the engine when running under a heavy load."
Date: October 17, 1916
Creator: Guthrie, William S.
System: The Portal to Texas History
Door Controlled Electric Switch (open access)

Door Controlled Electric Switch

Patent for an improved switch attachment that will allow a room, vault, or compartment to be kept lighted when door is open or closed, but may also be shut off when leaving the room.
Date: October 17, 1916
Creator: Kreter, Otto
System: The Portal to Texas History
Gasoline separator (open access)

Gasoline separator

Patent for Gasoline separator
Date: October 17, 1916
Creator: Cobb, John Olen
System: The Portal to Texas History
Gearing for Churns and Ice-Cream Freezers. (open access)

Gearing for Churns and Ice-Cream Freezers.

Patent for a new design of an ice cream churn designed "to provide means for operating the dasher or agitator of a churn or ice cream freezer, which is capable of being swung into or out of position at the will of the operator" (lines 11-15).
Date: October 17, 1916
Creator: Armstrong, Charles John
System: The Portal to Texas History
Lock for Automobiles (open access)

Lock for Automobiles

Patent for Lock for Automobiles
Date: October 17, 1916
Creator: Harris, Robert M. & Wade, Milton V.
System: The Portal to Texas History
Nutcracker (open access)

Nutcracker

Patent for Nutcracker
Date: October 17, 1916
Creator: Fort, Foster W.
System: The Portal to Texas History
Plow (open access)

Plow

Patent for a plow that has a quicker and easier way to adjust the angle and depth of the plow. Including illustrations
Date: October 17, 1916
Creator: Fehrenkamp, Elo A. & Giese, August H.
System: The Portal to Texas History
Rail Brace (open access)

Rail Brace

Patent for a rail brace system.
Date: October 17, 1916
Creator: Sencetta, Lee
System: The Portal to Texas History
Truck (open access)

Truck

Patent for truck, or dolly, used in movement of packages.
Date: October 17, 1916
Creator: Hall, James T.
System: The Portal to Texas History
Post Hole Digger. (open access)

Post Hole Digger.

Patent for a new post hole digger that both facilitates the creation of straight sides to the hole and a mechanism to allow for easy removal of the dirt.
Date: August 17, 1916
Creator: Armstrong, John Joshua, Sr.
System: The Portal to Texas History
Draft-Gear for Railway Cars (open access)

Draft-Gear for Railway Cars

Patent for a draft gear for railway cars that allows a simple and efficient means of repairs or substitutions of sills or beams that may be done without dissociating the draft bar so that a car may not be out of commission for a considerable length of time.
Date: August 17, 1915
Creator: Moorman, James M.
System: The Portal to Texas History
Float-Valve. (open access)

Float-Valve.

Patent for a float valve not using slots and links, including illustrations.
Date: August 17, 1915
Creator: Garrott, John Collier
System: The Portal to Texas History
Flue-Cleaner. (open access)

Flue-Cleaner.

Patent for a portable flue cleaner for boilers. Through a nozzle on the cleaner, the flue cleaner uses the steam from the boiler to remove dirt, dust and soot. The dirt is forced out of the boiler when the steam escapes.
Date: August 17, 1915
Creator: Leonard, Carl
System: The Portal to Texas History
Means for Making Continuous Concrete Pipes or Tiles (open access)

Means for Making Continuous Concrete Pipes or Tiles

Patent for a means for creating continuous pipes or tiles which can be used for the underground pipelines.
Date: August 17, 1915
Creator: Thomas, O. Berry
System: The Portal to Texas History