Resource Type
Country
States
66 Matching Results
Results open in a new window/tab.
prev
Results:
49 - 66 of
66
Mouthpiece for Clarinets
Patent for a mouthpiece for a clarinet and its improvements. The objects for improvement are to secure a better tone for the clarinet, to render the clarinet more easily blown, and to make possible greater variations of loudness and softness in tone.
Date:
April 19, 1921
Creator:
Redfield, John A.
System:
The Portal to Texas History
Feed Spout Barrier
Patent for "a feel spout barrier for slime thickeners, settling tanks, separating tanks and the like" (lines 8-10) with instructions and illustrations.
Date:
April 12, 1921
Creator:
Allen, Charles
System:
The Portal to Texas History
Saw-Table Gage.
Patent for a saw-table cutting stop that can be very quickly set and which automatically indicates the distance from the stop to the saw.
Date:
April 19, 1921
Creator:
Krocker, Adolf G.
System:
The Portal to Texas History
Sample-Taking Device
Patent for new and useful improvements for devices to take samples from wells. Specifically designed to take samples from hard formations, such as rock or other hard surfaces, being pierced from the drill from any depth in a well.
Date:
April 5, 1921
Creator:
Dodds, Redus D.
System:
The Portal to Texas History
Truck.
Patent for an improved truck in which the load can be moved to be easily loaded or unloaded by one person, including illustrations.
Date:
April 19, 1921
Creator:
Ortgier, Walter C.
System:
The Portal to Texas History
Truss.
Patent for a new truss designed to hold ruptures without discomfort, suitable for single and double ruptures. The truss features a novel spring plate, soft rubber pads, and adjustable waterproof bands.
Date:
April 19, 1921
Creator:
Downie, James H.
System:
The Portal to Texas History
Railroad-Tie.
Patent for railroad ties and especially for a fie made from a log of wood.
Date:
April 26, 1921
Creator:
Bryant, Joseph D.
System:
The Portal to Texas History
Process of Forming Tubes
Patent for the process of making tubes, especially tubes for producing, fitting, and/or refitting "eye-glasses, spectacles, &c." (lines 11-12).
Date:
April 19, 1921
Creator:
Rees, Herbert C.
System:
The Portal to Texas History
Tire-Tool.
Patent for a tool designed for mounting pneumatic tires on wheel rims.
Date:
April 26, 1921
Creator:
Boone, Daniel M.
System:
The Portal to Texas History
Treatment of Mined Sulfur.
Patent for a method to improve the free burning properties of mined sulfur by carbonizing the oil and eliminating carbon.
Date:
April 19, 1921
Creator:
Bacon, Raymond Foss, 1880-1954.
System:
The Portal to Texas History
Washing-Machine
Patent for a Washing-Machine which includes a base, a rotary rubbing drum with a foraminous concave rubbing bed of flexible material on the lower portion of the drum. Adjustable springs attached to the rubbing drum vary the drawing tension of the flexible rubbing bed.
Date:
April 5, 1921
Creator:
Seifert, John W.
System:
The Portal to Texas History
Tractor
Patent for improvements in tractors for farm and road work. Improvements include enclosing all working parts within a protecting housing, mounting the motor for rotation, balance the weight, provide a wheel carriage to adjust the width and height, and to provide shifting gears.
Date:
April 26, 1921
Creator:
Ingram, Joseph D.
System:
The Portal to Texas History
Treatment of Ores.
Patent for the treatment of ores which has a improvised process of chloridizing ores, concentrates, and other metallurgical products.
Date:
April 19, 1921
Creator:
Hirt, Jules Hector
System:
The Portal to Texas History
Single-Trigger Mechanism for Double-Barrel Guns.
Patent for a new single-trigger mechanism for double-barrel guns in which both barrels fire successively and premature discharge is prevented, including illustrations.
Date:
April 26, 1921
Creator:
Lindsay, Charles W.
System:
The Portal to Texas History
Treatment of Mined Sulfur.
Patent for heating sulfur under appropriate conditions in order to carbonized oil contained within, allowing stationary sulfur to burn without difficulty or interference from carbon.
Date:
April 19, 1921
Creator:
Bacon, Raymond Foss, 1880-1954.
System:
The Portal to Texas History
Washing-Machine
Patent for an improved clothes containing basket within washing machines that is longer-lasting and less likely to become imbalanced. The device increases agitation of clothes and water.
Date:
April 19, 1921
Creator:
Seifert, John W.
System:
The Portal to Texas History
Hanger For Car-Doors.
Patent for a hanger for use in car doors to prevent jamming or binding during opening or closing.
Date:
April 12, 1921
Creator:
Jordan, Charles H.
System:
The Portal to Texas History
Cotton-Chopper
Patent for a machine that can be drawn along a row of cotton to chop the adjacent plants and cultivate the ground under the machine. The device is height adjustable by the operator.
Date:
April 12, 1921
Creator:
Schwab, Bruno; Schneider, Richard & Hoegenauer, Haver
System:
The Portal to Texas History