Degree Department
Country
States
50 Matching Results
Results open in a new window/tab.
Results:
1 - 24 of
50
next
Automatic Air and Gas Relief Valve for Oil-Distributing Systems.
Patent for an air and gas relief valve for oil piping systems that improves upon the need for pumps to get rid of the accumulation of air and gas before pumping oil, with illustrations.
Date:
May 24, 1921
Creator:
Mobley, Henry Grady
System:
The Portal to Texas History
Lifting-Jack
Patent for an improvement made to lifting jack machinery that raises automobiles for repairs. The patent prevents the axle from slipping in circumstances where the vehicle is on slippery grounds or parked on a hill. Includes illustrations.
Date:
May 10, 1921
Creator:
Watson, Chester A.
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
Non-Skid Device
Patent for a device that affixes to automobile wheels to provide tire traction and prevent skidding.
Date:
May 24, 1921
Creator:
Williams, Harry S.
System:
The Portal to Texas History
Book-Support and Writing-Table.
Patent for book support and writing table that adjusts to the item being used by the person. The tray is able to hold the item either a book or writing materials while adjusting to the user's needs. The book support and writing table can be folded to occupy little space.
Date:
May 10, 1921
Creator:
Taylor, Henry S.
System:
The Portal to Texas History
Compressed-Air-Feed Liquid-Container.
Patent for compressed air feed liquid container uses compressed air to move the liquid through tubes and out the pipe.
Date:
May 10, 1921
Creator:
Posa, Emit M.
System:
The Portal to Texas History
Hydraulic Swivel.
Patent for a hydraulic swivel which may be used for well drilling, has an inlet at the side, and is designed to be in few parts for reduced packaging.
Date:
May 24, 1921
Creator:
King, Walter E.
System:
The Portal to Texas History
Oil-Stove
Patent for improvements in oil burner stoves.Pertains more to oil stoves with movable burners so that the flame intensity can be adjusted or extinguished.
Date:
May 10, 1921
Creator:
Cook, Thomas Edward
System:
The Portal to Texas History
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
Removable Pass-Book.
Patent for a book with a removable cover that lies flat when open and fits within a pocket. Particularly suited for bank books, also known as passbooks.
Date:
May 3, 1921
Creator:
Exline, Marcus P.
System:
The Portal to Texas History
Steering Attachment.
Patent for a steering attachment that keeps the steering wheels of a motor driven vehicle straight. This device is simple and relatively inexpensive, among other advantages.
Date:
May 17, 1921
Creator:
Huffman, Orla L.
System:
The Portal to Texas History
Self-Closing Bundle-Receptacle.
Patent for a receptacle basket that attaches to the side of an automobile and closes automatically using springs and hinges.
Date:
May 3, 1921
Creator:
Cardwell, Charles E.
System:
The Portal to Texas History
Templet.
Patent for templets or steel models used in building ships. The steel can be easily shaped into parts.
Date:
May 31, 1921
Creator:
Nies, Gershom John
System:
The Portal to Texas History
Pump for Hydraulic Presses
Patent for a hydraulic pump that drives at a uniform speed as the pressure of the press increases, and connects the pistons with two pairs of cylinders moving in opposite cycles.
Date:
May 10, 1921
Creator:
Henry, Nelson B.
System:
The Portal to Texas History
Power-Transmitting Means
Patent for improving power-transmitting means. The patent reduces the ratio of rotary to reciprocatory movement, with illustrations.
Date:
May 31, 1921
Creator:
Benson, Madison H.
System:
The Portal to Texas History
Cultivator-Fender.
Patent for an improvement to cultivator-fenders that prevents rocks and other debris from being throws about while plowing.
Date:
May 10, 1921
Creator:
Calk, Alonzo E.
System:
The Portal to Texas History
Sectional Rim
Patent for a sectional rim, which provides a sectional demountable tire rim with interlocking means to easily actuate and separate so that the tire can be removed from or applied to the rim.
Date:
May 31, 1921
Creator:
Williams, Harry S.
System:
The Portal to Texas History
Toupee and Wig Retainer
A patent for a single-sided adhesive that holds a toupee or wig in place on the scalp without causing built-up residue to adhere to the wig.
Date:
May 17, 1921
Creator:
Tapscott, John Christoper
System:
The Portal to Texas History
Washing-Machine.
Patent for a washing machine that launders articles of clothing. The machine has a plunger that causes rotary movement allowing cleaning fluid to reach all articles, including illustrations.
Date:
May 31, 1921
Creator:
Carroll, Houston M., Sr.
System:
The Portal to Texas History
Tractor.
Patent for a tractor in which the placement of the power source reduces dead weight and provides a low center of gravity, thereby increasing stability.
Date:
May 24, 1921
Creator:
Martin, John J.
System:
The Portal to Texas History
Washing-Machine.
Patent for a mechanized dolly to improve washing machine functionality and efficiency.
Date:
May 17, 1921
Creator:
Huffman, Orla L.
System:
The Portal to Texas History
Clutch and Transmission Mechanism
Patent for a new and useful improvements in a clutch and transmission mechanism specially applicable to motor vehicles. It has been designed for the purpose of operating the clutch and transmission for effecting changes of speed in which the speed desired can be selected in advance and then obtained by an automatic shifting of the transmission gears, when the clutch is disengaged through the operation of the clutch controlling lever.
Date:
May 10, 1921
Creator:
Mottier, Walter F.
System:
The Portal to Texas History
Amusement Device.
Patent for a Ferris wheel in which the passenger cars rotate horizontally in addition to rotating vertically with the direction of the main wheel.
Date:
May 24, 1921
Creator:
Lindamood, Roy S.
System:
The Portal to Texas History
Adjustable Friction-Grab for Fishing-Tools.
Patent for friction grabs for fishing tools in well drilling operations that can be "easily adjusted for different sized holes or wells and which will be automatically adjusted and the grabs automatically closed on the object to be removed" (lines 14-17).
Date:
May 24, 1921
Creator:
Dickson, Lawrence E.
System:
The Portal to Texas History