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368 Matching Results
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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.
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
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.
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.
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
Window-Shade Holder
Patent for a window shade holder that makes the shade go up and down with the window opening and closing.
Date:
December 31, 1912
Creator:
Harris, Albert G.
System:
The Portal to Texas History
Wire Stretcher
Patent for a wire stretcher. Illustration included.
Date:
July 31, 1906
Creator:
Culp, Willis Harmon
System:
The Portal to Texas History
Window Sash
Patent for a window sash. Illustration included.
Date:
July 31, 1906
Creator:
Daugherty, William E.
System:
The Portal to Texas History
Window-Shade
Patent for a window shade which can regulate light or ventilation. Illustrations included.
Date:
December 31, 1907
Creator:
Stephenson, Errett B.
System:
The Portal to Texas History
Window-Shade and Roller
Patent for a Window-Shade and Roller that does not use springs or analogous devices to coil the curtain around the roller. This device rolls the curtain more evenly.
Date:
May 31, 1910
Creator:
Lowe, Purley E. & De Young, Blanche
System:
The Portal to Texas History
Wireless Break-Key
Patent for a wireless break key that allows a station to just have one aerial line and prevents burn out of the machinery and injury to operators while transmitting messages faster than other wireless devices.
Date:
December 31, 1912
Creator:
Mobley, Grier P.
System:
The Portal to Texas History
Wrench.
Patent for an adjustable wrench.
Date:
October 31, 1911
Creator:
Harris, Robert M. & Bottoms, William L.
System:
The Portal to Texas History
Interior Bracing For Silos
The invention relates to silos and the removable devices that prevent the silos from collapsing when empty. The object is to provide wooden stave silos with certain adjustable and economical braces which are easily and quickly applied. It will be highly efficient in preventing the blowing down or collapsing of silos when empty. They would also be able to be easily and quickly removed when the silos are being filled.
Date:
August 31, 1915
Creator:
Galbraith, Henry William
System:
The Portal to Texas History
Vehicle Shaft Carrier
Patent for vehicle shaft carrier. Illustration included.
Date:
January 31, 1905
Creator:
Randall, Osro W.
System:
The Portal to Texas History
Insect-Destroyer.
Patent for "improvement in machines for destroying bugs and worms that infest cotton and other plants" (lines 8-10), including instructions and illustrations.
Date:
January 31, 1888
Creator:
Webb, Thomas H.
System:
The Portal to Texas History
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.
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
Window-Fastener.
Patent for a spring lever for fastening sliding windows, including illustration.
Date:
August 31, 1858
Creator:
Root, Irving
System:
The Portal to Texas History
Weather Strip.
Patent for a new and improved weather strip. This design "is to provide a new and improved weather-strip, which is raised into a groove in the bottom of the door when the door is open, but is pressed down upon the sill when the door is closed. The invention consists in the combination and arrangement of parts" (lines 7-13).
Date:
July 31, 1883
Creator:
McCurdy, Thomas B.
System:
The Portal to Texas History
Locomotive Head-Light
Patent for improvements to locomotive headlights granted to John Robert McCormick in order to make the headlights movable by levers or gears.
Date:
March 31, 1885
Creator:
McCormick, John Robert
System:
The Portal to Texas History
Weeder
Patent for a weeder that breaks up the ground as well as cutting weeds.
Date:
December 31, 1912
Creator:
Wind, Iver Ebbesen
System:
The Portal to Texas History
Water-Purifier for Ice-Machines.
Patent for a water purifier for ice machines that removes oil residue from the condensing process.
Date:
January 31, 1911
Creator:
Schrade, John Jacob
System:
The Portal to Texas History
Wheel Cultivator and Planter Attachment Therefor.
Patent for an improved wheel cultivator, which includes a planter attachment, a hopper, a seed-dropping and fertilizer distributing mechanism, and covering plows.
Date:
December 31, 1901
Creator:
Bigler, B. J.
System:
The Portal to Texas History
Windmill-Regulator
Patent for a new windmill attachment that will regulate the amount of water in the watering trough, Including instructions and illustrations.
Date:
July 31, 1900
Creator:
Schultz, Henry E.
System:
The Portal to Texas History