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43 Matching Results
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Electrical Testing Device.
Patent for new and useful improvements in electrical testing devices. The invention provides references to innovative changes that allow for improved high-tension coil and armature testing.
Date:
August 17, 1920
Creator:
Bierbower, Richard C.
System:
The Portal to Texas History
Electrical Testing Device.
Patent for "improvements in electrical testing devices, and more specifically to an improved fluxmeter for testing the strength of magnets" (lines 13-15).
Date:
March 30, 1920
Creator:
Bierbower, Richard C.
System:
The Portal to Texas History
Electrical Testing Device
Patent for a device to test electrical circuits for faults which is cheaper to manufacture, easier to use, smaller and more durable.
Date:
August 17, 1920
Creator:
Bierbower, Richard C.
System:
The Portal to Texas History
Electrical Testing Device.
Patent for an electrical device with an improved circuit arrangement in combination with various devices all assembled in compact arrangement on a board which enables to easily locate faults in various electrical apparatus or parts. This electric device is capable of use by anyone who isn't skilled as an electrician.
Date:
March 30, 1920
Creator:
Bierbower, Richard C.
System:
The Portal to Texas History
Piston Ring
Patent for improvements to piston rings to reduce leakage through piston grooves, rings, and joints.
Date:
April 17, 1920
Creator:
Olsen, Jens J. & Edwards, Lewis E.
System:
The Portal to Texas History
Sanitary Fly Catcher and Trap.
Patent for improvements in traps to bait flies and trap them.
Date:
July 6, 1920
Creator:
Harris, Raymond J.
System:
The Portal to Texas History
Power Reversing Mechanism
Patent for a power reversing mechanism that "provides an automatic means for causing the platen to of the packer to reciprocate continuously...(lines 15-17)."
Date:
September 14, 1920
Creator:
Cameron, Theodore R.
System:
The Portal to Texas History
Fiber-Cleaning Device.
Patent for a fiber cleaning device, which removes "the outer fleshy or non-fibrous tissues covering the fibers" (lines 19-21) for varieties of fleshy plants.
Date:
April 6, 1920
Creator:
Quijano, Ramon
System:
The Portal to Texas History
Filter
Patent for a filter for purifying gasoline or other oil used in cleaning establishments.
Date:
November 2, 1920
Creator:
Daniel, William A.
System:
The Portal to Texas History
Cotton-Tramper.
Patent for a cotton tramper that allows the plunger mechanism to operate automatically when needed to enhance the item's utility.
Date:
September 7, 1920
Creator:
Jacob, Ernst A. H.
System:
The Portal to Texas History
Shoe-Securing Device
Patent for a fastening strap that secures baby shoes to baby feet, including illustrations.
Date:
June 29, 1920
Creator:
Elliot, Eloise Foster
System:
The Portal to Texas History
Separator for Secondary Batteries.
Patent for separators, made of celluloid or similar material, designed to separate secondary or storage batteries in an efficient and affordable way.
Date:
February 17, 1920
Creator:
Luthy, Josesph O.
System:
The Portal to Texas History
Separator for Storage-Battery Plants
Patent for a device that allows liquid in a storage battery to flow from one plate to another.
Date:
May 11, 1920
Creator:
Luthy, Joseph O.
System:
The Portal to Texas History
Roller-Distributor.
Patent for the invention of a roller distributor, or roller cam, that can "provide novel means whereby friction will be reduced" (lines 12-13) through the use of "a novel spring means being employed" (lines 13-14) in certain affordable, widely used vehicles.
Date:
August 17, 1920
Creator:
Lopez, Bruno
System:
The Portal to Texas History
Reinforced Belt.
Patent for a reinforced belt made with power transmission in mind. It has an improved body which is made up of steel U-shaped chain links embedded in flexible belt material. The belt is strong, flexible, durable, simple, and inexpensive.
Date:
November 30, 1920
Creator:
Shiner, Elliot E.
System:
The Portal to Texas History
Headlight
Patent for a headlight that has a dimming function.
Date:
October 26, 1920
Creator:
Pepple, John Pepple
System:
The Portal to Texas History
Cushion Tire
Patent for Cushion Tires. Each tire will have multiple chambers within it, so if one is punctured the remainder of the tire will continue to function and not deflate.
Date:
March 16, 1920
Creator:
Williams, Henry S.
System:
The Portal to Texas History
Overhead Radial Conveyer System.
Patent for a freight and merchandise handling system utilizing overhead conveyor belts to move items going to/from either a warehouse facility or an applicable mode of supply chain transportation.
Date:
December 6, 1920
Creator:
Wohn, Frederick
System:
The Portal to Texas History
Clamp
Patent for clamps used in framing and forming of concrete construction. The clamps are easily removed and reused eliminating the need for wooden framing used in the past.
Date:
February 24, 1920
Creator:
Ferguson, William D.
System:
The Portal to Texas History