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51 Matching Results
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Adjustable Flat Die.
Patent for improved adjustable flat dies which provide different sizes of cutting dies to the cutting device.
Date:
May 10, 1921
Creator:
Wright, John G.
System:
The Portal to Texas History
Air-Storage-Tank Liquid-Dispensing Device.
Patent for an air storage tank liquid dispending device which is convenient and economically better to pull liquid from wells, buried tanks, etc.
Date:
May 10, 1921
Creator:
Posa, Emit M.
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.
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
System:
The Portal to Texas History
Can Opener
Patent for a can opener specifically shoe polish boxes. It is used as an opener that will not require the use of rivets, openings in the material, or any other means whereby air may enter the can.
Date:
May 10, 1921
Creator:
Searcy, Peter B.
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
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
System:
The Portal to Texas History
Rolling Fender
Patent for improvements in rolling fenders. The invention can be attached to an earth working device, such as a cultivator, to prevent clods of dirt being thrown and crushing small plants. Multiple discs will crush the clods and prevent the dirt from sticking to the rolling fender.
Date:
May 3, 1921
Creator:
Wright, Joseph Hansel
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.
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
Insecticide-Holder.
Patent for an insecticide holder having improved and "novel means for discharging the insecticide" (lines 10-11).
Date:
May 3, 1921
Creator:
Irwin, Herbert G.
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
System:
The Portal to Texas History
Animal Trap.
Patent for Animal Trap especially adapted for the extermination of mice and similar rodents.
Date:
1920-09-5
Creator:
Fredrick, Willaim.
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.
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.
System:
The Portal to Texas History
Sample-Taking Device.
Patent for a sample-taking device to be used in well-drilling processes, which is unique in its simple construction, low manufacturing costs, and ease of use.
Date:
May 24, 1921
Creator:
Christian, Walton G.
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.
System:
The Portal to Texas History
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.
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
Fuse Block
Patent for improvements to Patent No. 1113528. Invention provides a fuse block where the fuses can be replaced by a lineman without being in close proximity to the primary circuit wires. Invention also allows various types of fuses to be used.
Date:
May 3, 1921
Creator:
Anderson, Lou Belle
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
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
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.
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