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14 Matching Results
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Electric Water Heater
Patent for improvements to electric water heaters adapted for heating small bodies of water. The interior walls of the cylinders in the heating unit are perforated so that water can freely circulate through and between them.
Date:
February 7, 1922
Creator:
Stephens, Richard M.
System:
The Portal to Texas History
Counterbalancing and Adjustable Sash for Windows.
Patent for window sashes made of two separate sections, one for the upper portion and the other for the lower portion of a window. Each sash section can be operated independently from the other by mechanisms on the right and left side of the window.
Date:
February 7, 1922
Creator:
Peaden, William H.
System:
The Portal to Texas History
Sash Lock
Patent for an improvement for window sash locks, with an improved ability to hold windows in place.
Date:
January 10, 1922
Creator:
Brown, John A.
System:
The Portal to Texas History
Lock-Protecting Device.
Patent for combination lock for safes or vaults with added mechanism for dispensing a gas to deter robberies.
Date:
April 25, 1922
Creator:
Bumpass, Leonard E.
System:
The Portal to Texas History
Drafting Implement
Patent for drafting implement, for laying out or plotting curves of different degrees and combining the functions of a plurality of implements into a single implement.
Date:
January 3, 1922
Creator:
Tanner, John L.
System:
The Portal to Texas History
Dental-Broach Holder.
Patent for a dental broach holder that can be easily cleaned, and that includes certain structural elements that keep a dental broach more secure during use. The broach fastens on the outside of the holder, the mechanism of which "[prevents] loss of the broach in the patient's mouth during operation" (lines 92-94).
Date:
January 24, 1922
Creator:
Gilbert, James M.
System:
The Portal to Texas History
Traffic Signal.
Patent for an illuminated turn signal attached to the frame of a car. The signal is shaped like a hand and can be raised or lowered by a lever behind the steering wheel.
Date:
May 9, 1922
Creator:
Jones, Theodoric
System:
The Portal to Texas History
Hosiery Spat.
Patent for hosiery spat that provides feet and ankle "protection when fancy 'open work' or thin hosiery is worn." (lines 15-16) including illustrations.
Date:
November 7, 1922
Creator:
von S.S. Blum, Elisa
System:
The Portal to Texas History
Measuring Device
Patent for improvements to the measuring device used to ascertain the depth of a well.
Date:
May 23, 1922
Creator:
Bevel, Jack H.
System:
The Portal to Texas History
Power-Transmission Mechanism
Patent for a power transmission with improvements to mechanisms related to frame adjustment, lubrication, motion transmission, and speed gearing, among others.
Date:
May 2, 1922
Creator:
Mays, James L.
System:
The Portal to Texas History
Fish-Catching Device
Patent for an improvement in fish-catching devices which provides a bait-holding device in a horizontal position and the ability to completely conceal the fish-catching device within the bait, including illustrations.
Date:
February 7, 1922
Creator:
Riza, George P.
System:
The Portal to Texas History
Nutcracker.
Patent for nutcracker using lever-activation to increase the leverage while nut cracking, including instructions and illustrations
Date:
December 5, 1922
Creator:
Pitman, Henry M.
System:
The Portal to Texas History
Electric Hairbrush
Patent for an improved electric hairbrush having an insulated electrical heating element and separately charged electrically conductive metallic bristles. The hairbrush is designed to straighten hair and/or to electrically treat a user's hair and scalp with a low-voltage current. A device in the handle allows the user to regulate the heating of the element.
Date:
November 28, 1922
Creator:
Harvey, Birdie
System:
The Portal to Texas History
Fuel Vaporizer for Carburetors.
Patent for "an improvement in fuel heaters or vaporizers for use with carburetors for hydrocarbon fuel engines" (lines 9-12). The device "can therefore utilize those hydrocarbons of specific gravity much higher than gasoline, as fuel for internal combustion engines, with safety and with more economy than has heretofore been deemed possible." (lines 106-111).
Date:
February 7, 1922
Creator:
Smith, Maurice O.
System:
The Portal to Texas History