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2
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2
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133 Matching Results
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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.
Object Type:
Patent
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.
Object Type:
Patent
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.
Object Type:
Patent
System:
The Portal to Texas History
Flour-Milling Machinery.
Patent for flour milling machinery with reduced costs of equipment and operation, less required space, and improved quality and quantity of flour.
Date:
May 10, 1921
Creator:
Smith, George T.
Object Type:
Patent
System:
The Portal to Texas History
Ink-Bottle
Patent for an ink bottle with screw threads allowing it to be screwed and unscrewed into a holder or desk; ink bottle can also be removed for cleaning or filling.
Date:
May 10, 1921
Creator:
Kayser, Mary Louise
Object Type:
Patent
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.
Object Type:
Patent
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
Object Type:
Patent
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.
Object Type:
Patent
System:
The Portal to Texas History
Cotton-Cultivator.
Patent for an improved cultivator used for tillage when the plows are not in the ground. The cultivator can also lighten the heaviness felt by the operator while the plow is being used.
Date:
May 17, 1921
Creator:
Barnett, James Samuel
Object Type:
Patent
System:
The Portal to Texas History
Draft Attachment for Motor-Vehicles.
Patent for a draft attachment by which a motor vehicle may "pull itself free when its traction wheels have become embedded in a soft or muddy road" (lines 14-16).
Date:
May 17, 1921
Creator:
Worsham, Louis W.
Object Type:
Patent
System:
The Portal to Texas History
Gradometer.
Patent for a gradometer "which will accurately indicate under the most varying and unstable conditions the inclination and declination at which any moving body is traveling" (lines 10-13). The gradometer is "particularly adapted for use on motor vehicles" (lines 15-16).
Date:
May 17, 1921
Creator:
Hall, Sidney Wilson
Object Type:
Patent
System:
The Portal to Texas History
Guide for Drive-Chains.
Patent for a mechanism designed to prevent a guide chain from being displaced from the wheel(s) of its parent machine.
Date:
May 17, 1921
Creator:
Johnston, Horace G.
Object Type:
Patent
System:
The Portal to Texas History
Holder for Dental X-Ray Films.
Patent for dental X-Ray holders that securely hold the film in place and categorize the X-Rays into series that comprise views of the whole mouth.
Date:
May 17, 1921
Creator:
Martin, James Madison
Object Type:
Patent
System:
The Portal to Texas History
Maize-Header.
Patent for simple and efficient maize header which is easy to operate by positioning it in a way that it needs minimum effort to operate.
Date:
May 17, 1921
Creator:
Jordan, Andrew P.
Object Type:
Patent
System:
The Portal to Texas History
Plastic Base for Poles.
Patent for a plastic base for poles which aims to lengthen the life of the average pole and enable the use of poles of shorter lengths.
Date:
May 17, 1921
Creator:
Hoyle, Millard F.
Object Type:
Patent
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.
Object Type:
Patent
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
Object Type:
Patent
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.
Object Type:
Patent
System:
The Portal to Texas History
Wheel-Operated Lift Mechanism
Patent for a wheel operated lift mechanism designed for agricultural implements with wheels which can raise the frame of the agricultural implement for easy access to the wheel. This tool is adjustable to raise or lower the frame for easy access to the wheel to disconnect it.
Date:
May 17, 1921
Creator:
Altgelt, Herman E.
Object Type:
Patent
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.
Object Type:
Patent
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.
Object Type:
Patent
System:
The Portal to Texas History
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
Object Type:
Patent
System:
The Portal to Texas History
Condenser for Cotton-Presses.
Patent for "Improvements in Condensers for Cotton-Presses," (lines 6-7) including illustrations. The invention is designed with cotton bale presses in mind, specifically the "condenser or bat forming device" (line 11).
Date:
May 24, 1921
Creator:
Taft, John A.
Object Type:
Patent
System:
The Portal to Texas History
Coupling.
Patent for a coupling to be used by military vehicles, unique in its "simplicity, rapidity in attachment and detachment, strength and durability" (lines 19-21).
Date:
May 24, 1921
Creator:
Speece, Russell. W.
Object Type:
Patent
System:
The Portal to Texas History