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733 Matching Results

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Adjustable Window Shade and Curtain Hanger. (open access)

Adjustable Window Shade and Curtain Hanger.

Patent for an adjustable window shade frame that can be mounted on an existing window to allow curtains or shades to be adjusted from the top or the bottom, and secured at any desired level for privacy and/or ventilation.
Date: December 31, 1918
Creator: Edens, Myrtle J.
System: The Portal to Texas History
Weeding Device (open access)

Weeding Device

Patent for improving "the construction and increase the efficiency and utility" of "horse or motor drawn weeding devices." (Lines 8-11)
Date: May 31, 1919
Creator: Zetzman, William of Post, Texas
System: The Portal to Texas History
Building Tile. (open access)

Building Tile.

Patent for "hollow blocks" or "tile and hollow corner blocks" that "prevent moisture from passing through walls" (lines 10-14).
Date: December 31, 1918
Creator: Bennett, Walter R.
System: The Portal to Texas History
Map Hanger (open access)

Map Hanger

Patent for improvements in map hangers. The purpose is to provide a map exhibiting hanger to use in support for a plurality of maps, particularly maps that have information on the back.
Date: January 31, 1922
Creator: Chunn, Richard M.
System: The Portal to Texas History
Cultivator Attachment (open access)

Cultivator Attachment

Patent for a device that can be easily attached to riding cultivators.
Date: August 31, 1920
Creator: Starch, Thomas
System: The Portal to Texas History
Apparatus for Separating or Concentrating Ores (open access)

Apparatus for Separating or Concentrating Ores

Patent for improvements in apparatus for separating or concentrating ores through a flotation method.
Date: August 31, 1920
Creator: Cole, David
System: The Portal to Texas History
Artificial Hand-Grip. (open access)

Artificial Hand-Grip.

Patent for an improvement to artificial hand-grips that includes a pair of jaws that attaches to an artificial arm and allows wearers to perform various activities.
Date: December 31, 1918
Creator: Corley, Quentin D.
System: The Portal to Texas History
Automobile-Signal. (open access)

Automobile-Signal.

Patent for a door-mounted automobile turn signal that swings out on an arm to appear at a right angle to the vehicle and is operated by the driver's knee or elbow. The signal is illuminated by an electric lamp and sounds the car horn when deployed.
Date: August 31, 1920
Creator: Carnes, Sam D.
System: The Portal to Texas History
Colter. (open access)

Colter.

Patent for a Colter attachment for plows that can be adjusted to various angles and increases the efficiency of the plow.
Date: August 31, 1920
Creator: Dillon, Robert L.
System: The Portal to Texas History
Dental Impression-Tray. (open access)

Dental Impression-Tray.

Patent for improvements in dental impression trays that is adaptable for when there is only one or a partial set of teeth. There is a separate, smaller dental impression tray that is easily accessible and can be adapted to take impressions of one tooth or partial teeth.
Date: August 31, 1920
Creator: Littlejohn, Thomas F.
System: The Portal to Texas History
Crank. (open access)

Crank.

Patent for automobile attachments where the motor can be cranked to start without danger to the operator from an engine back-fire.
Date: August 31, 1920
Creator: Gilley, Zachriah E.
System: The Portal to Texas History
Fluid-Conditioning Apparatus. (open access)

Fluid-Conditioning Apparatus.

Patent for an air conditioning apparatus that provides "new and improved means for moistening and cooling air," including the "collection and accumulation" of the cooling fluid (lines 10-12).
Date: May 31, 1921
Creator: Lindauer, William A.
System: The Portal to Texas History
Flytrap. (open access)

Flytrap.

Patent for a "new and improved fly trap arranged to insure [sic] a proper transfer of the flies or other insects" in such a way that the trap bait is preserved for repeated use (lines 14-16).
Date: May 31, 1921
Creator: Wallace, William Simpson
System: The Portal to Texas History
Player Piano (open access)

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
Oil Pump (open access)

Oil Pump

Patent for an oil pump that may be attached to a barrel or container and dispense liquid in predetermined quantities.
Date: May 31, 1921
Creator: Hughes, Stanley R.
System: The Portal to Texas History
Pneumatic Tire. (open access)

Pneumatic Tire.

Patent for improved pneumatic tires for motor vehicles that will prevent deflation when punctured.
Date: May 31, 1921
Creator: Williams, Harry S.
System: The Portal to Texas History
Fishing Device for Oil Wells. (open access)

Fishing Device for Oil Wells.

Patent for "fishing devices for use in oil wells or in like situations for recovering parts of the drilling appliances which may have become detached or lost in the well" (lines 9-13).
Date: January 31, 1922
Creator: Sorensen, Sam
System: The Portal to Texas History
Fuse carrier. (open access)

Fuse carrier.

Patent for a fuse "holder which carries a number of fuses, capable of being brought into proper position to provide a fresh fuse in the event of the burning or blowing out of one of the fuses" (lines 9-13). The carrier inside the holder is removable (line 15); as carried in this holder, the fuses are "held under strong tension," with a mechanism allowing easy retrieval of a "fresh fuse" if necessary (line 18).
Date: January 31, 1922
Creator: Burton, Frank M.
System: The Portal to Texas History
Well-Drilling Tool. (open access)

Well-Drilling Tool.

Patent for a well-drilling tool adapted for use in a sticky shale or similar formations.
Date: January 31, 1922
Creator: Reed, Clarence E.
System: The Portal to Texas History
Well-Liner Clamp. (open access)

Well-Liner Clamp.

Patent for a well-liner clamp for oil, gas, and other similar wells that prevents the well from caving in. The well-liner clamp is made of resilient material to hold in place, contracts while being placed into the well, and can be released after being placed into the well to expand to fit the walls of the well.
Date: May 31, 1921
Creator: Bigelow, Robert J.
System: The Portal to Texas History
Trailer. (open access)

Trailer.

Patent for trailers for attachment to trucks that is strong and compact and will not be distorted by the turning of the trailer relative to the truck.
Date: August 31, 1920
Creator: Feigelson, Alexander
System: The Portal to Texas History
Tire-Casing. (open access)

Tire-Casing.

Patent for a new type of puncture-proof tire casing.
Date: August 31, 1920
Creator: Anderson, Arthur V. & Morgan, Alfred M.
System: The Portal to Texas History
Stock-Chute for Dipping-Vats. (open access)

Stock-Chute for Dipping-Vats.

Patent for new improvements that allow for easier transition of animals from a stock-chute into a dipping vat because the "animal will overcome the effect of the counterbalancing weight and will cause the discharge end of the chute to move downwardly precipitating the animal into the vat or trough" (lines 20-26) including instructions and illustrations.
Date: May 31, 1921
Creator: Burt, Clement P.
System: The Portal to Texas History
General-Delivery Post-Office Cabinet. (open access)

General-Delivery Post-Office Cabinet.

Patent for a postal mail cabinet in which the arrangement of the compartments can be adjusted and allow for consideration of both the surname and given name of the recipient.
Date: August 31, 1920
Creator: Conine, James B.
System: The Portal to Texas History