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604 Matching Results

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Billboard (open access)

Billboard

Patent for billboards built for wind resistance.
Date: November 28, 1922
Creator: Kelly, Walter
System: The Portal to Texas History
Electric Hairbrush (open access)

Electric Hairbrush

Patent for an improved electric hairbrush having an insulated electrical heating element and separately charged electrically conductive metallic bristles. The hairbrush is designed to straighten hair and/or to electrically treat a user's hair and scalp with a low-voltage current. A device in the handle allows the user to regulate the heating of the element.
Date: November 28, 1922
Creator: Harvey, Birdie
System: The Portal to Texas History
Pump (open access)

Pump

Patent for improvements to pumps in working barrels, packing, and packing chambers, the purpose of which is to eliminate easily worn parts and improve the efficiency of these pumps, including illustrations.
Date: November 28, 1922
Creator: Kerr, Michael A.
System: The Portal to Texas History
Shock Absorber (open access)

Shock Absorber

Patent for a new and improved shock absorber which is "primarily intended for use as a connecting and cushioning medium between the upper and lower springs commonly employed under automobile bodies" (lines 12-15), including illustrations.
Date: November 28, 1922
Creator: von Roeder, Benno Gilbert & Oates, Eugene Caroway
System: The Portal to Texas History
Spark Plug Protector. (open access)

Spark Plug Protector.

Patent for a spark plug protector that will shield the spark plug from moisture.
Date: March 28, 1922
Creator: Sharp, Morrison M.
System: The Portal to Texas History
Article Holder or Stand. (open access)

Article Holder or Stand.

Patent for a device that conveniently and readily supports books, photographs, picture cards, and other similar articles. The new design is formed from a single strand of wire, and is specifically adapted for holding books in an open position and allowing the pages to be turned as needed.
Date: February 28, 1922
Creator: Boyette, Oren K.
System: The Portal to Texas History
Constant-Volume Valve. (open access)

Constant-Volume Valve.

Patent for an improved constant-volume valve that helps regulate the flow of liquid through a passage with an automatic valve.
Date: February 28, 1922
Creator: Dewey, Maurice J.
System: The Portal to Texas History
Cosmetic Lotion. (open access)

Cosmetic Lotion.

Patent for a cosmetic lotion to be used as a treatment for imperfections of the skin by inducing sloughing of the epidermis.
Date: February 28, 1922
Creator: Newlyn, Thomas J.
System: The Portal to Texas History
Hair-Wave Former. (open access)

Hair-Wave Former.

Patent for an improved hair-wave former device so "hair may be waved or coiled by a harmless method without heating the air and without rolling the hair with paper" (lines 12-15), including illustrations.
Date: February 28, 1922
Creator: Thompson, Mary E.
System: The Portal to Texas History
Railway Switch. (open access)

Railway Switch.

Patent for a railway switch to be operated by foot and without structural change to existing construction.
Date: February 28, 1922
Creator: Arteaga, Ignacio
System: The Portal to Texas History
Soft-Collar Holder. (open access)

Soft-Collar Holder.

Patent for a soft collar holder for men's wear. This is "a means for retaining or securing the front edges of the collar flap or fold" (lines 9-11.) The device patented is effective and can be "readily applied and removed" (lines 13-14.)
Date: February 28, 1922
Creator: Guidry, Frank
System: The Portal to Texas History
Check-Writer. (open access)

Check-Writer.

Patent for a new check-writer machine capable of typewriting bank checks and similar documents with two sets of type, allowing for the printing of payee names, numerical amounts, and word amounts in a single movement.
Date: June 28, 1921
Creator: Wendelken, Charles
System: The Portal to Texas History
Cotton-Chopper. (open access)

Cotton-Chopper.

Patent for effective removal of cotton plants in an alternating pattern with a standard chopping depth, distance, and speed, with illustrations.
Date: June 28, 1921
Creator: Antoni, Ernst J.
System: The Portal to Texas History
Cotton-Picking Machine. (open access)

Cotton-Picking Machine.

Patent for a cotton-picking machine that arranges the picking elements at different elevations and spaces them apart "so that while several plants will be picked at the same time, only one portion of a plant will be worked on at a time," (lines 14-17), minimizing disturbance of the plant.
Date: June 28, 1921
Creator: Becknell, George T.
System: The Portal to Texas History
Demountable Rim (open access)

Demountable Rim

Patent for a Demountable Rim designed for automobile wheels where a tire can be attached to the demountable rim, secured with fasteners on the rim then is can attach to the wheel itself.
Date: June 28, 1921
Creator: Beynon, Arthur B.
System: The Portal to Texas History
Lock and Key. (open access)

Lock and Key.

Patent for a lock which requires a key that is adjustable and difficult to duplicate in order to prevent lock picking.
Date: June 28, 1921
Creator: Dove, Bascom A.
System: The Portal to Texas History
Measuring Vessel. (open access)

Measuring Vessel.

Patent for a measuring vessel that is meant to be used with a gasoline device described in patent application Serial No. 228,889.
Date: June 28, 1921
Creator: McKallip, John C.
System: The Portal to Texas History
Method of Casting the Hulls of Ships From Concrete and Floating Said Hulls Into a Launching-Bay. (open access)

Method of Casting the Hulls of Ships From Concrete and Floating Said Hulls Into a Launching-Bay.

Patent for an improved, cost-effective method of releasing ship hulls from a mold via "hydrostatic means and floating said hull into the launching bay or channel" (lines 19-21) without the need for exterior scaffolding, including illustrations.
Date: June 28, 1921
Creator: Holmgreen, Julius H.
System: The Portal to Texas History
Mold for Casting the Hulls of Concrete Ships. (open access)

Mold for Casting the Hulls of Concrete Ships.

Patent for an improved concrete hull mold that allows for durable and efficient hull molding without the need for scaffolding or disassembly once complete, with a dual-wall design that allows an intermediate work chamber during the molding process, including illustrations.
Date: June 28, 1921
Creator: Holmgreen, Julius H.
System: The Portal to Texas History
Packer for Wells (open access)

Packer for Wells

Patent for a well packer, specifically for oil wells, for the purpose of facilitating the formation of watertight joints between outer and inner pipes.
Date: June 28, 1921
Creator: Fondren, Walter William
System: The Portal to Texas History
Pipe Tongs. (open access)

Pipe Tongs.

Patent for pipe tongs for drilling wells using rotary systems. The tongs are designed to be securely held against the drill stem using a lever, making them simple and economical to manufacture.
Date: June 28, 1921
Creator: Hill, Richard D.
System: The Portal to Texas History
Pneumatic Cushioned Tire. (open access)

Pneumatic Cushioned Tire.

Patent for improvements to pneumatic cushioned tires, including guards to protect and shield the sides against abrasion.
Date: June 28, 1921
Creator: Kerr, Augustus Hallawell; Smith, J.A.; Atkinson, J. M.; Dacus, J.A. & Coley, W.L.
System: The Portal to Texas History
Process and Apparatus for the Utilization of Heat in Oil-Engines. (open access)

Process and Apparatus for the Utilization of Heat in Oil-Engines.

Patent for an invention that improves the utilization of waste or surplus heat of internal combustion engines, specifically oil-burning engines of the Diesel type. This invention will assist diesel engines to run satisfactorily on lower or heavier-grade engine oils. This assists in the efficiency and production of Diesel engines.
Date: June 28, 1921
Creator: Lucke, Herbert R.
System: The Portal to Texas History
Refrigerator-Door. (open access)

Refrigerator-Door.

Patent for individual doors for compartments within a refrigerator, to protect items from being exposed to warm air when the refrigerator door is ajar. This patent also provides for the ability to apply doors as attachments to refrigerators without pre-installed compartment doors.
Date: June 28, 1921
Creator: Jurek, Martin
System: The Portal to Texas History