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Blade-Holder
Patent for a new and useful improvements to a blade holder. It can hold any form of razor blades can be securely held and easily released. The holder allows blades to be inserted safely and then hold blades firmly into place.
Date:
September 27, 1921
Creator:
Lightfoot, Roy L.
System:
The Portal to Texas History
Cotton-Packer
Patent for cotton packer designed for use in cotton gins.
Date:
September 27, 1921
Creator:
Williams, French B.
System:
The Portal to Texas History
Highway for Grade-Crossings.
Patent for highway-railroad grade crossing designed to slow the flow of traffic as it crosses an intersecting railway.
Date:
September 27, 1921
Creator:
Carter, Kenneth Wilson
System:
The Portal to Texas History
Incubator
Patent for an incubator designed to maintain temperature automatically.
Date:
September 27, 1921
Creator:
Kovar, Joe
System:
The Portal to Texas History
Liquid-Fuel Burner.
Patent for improvements in liquid fuel burners that can handle intense heat and can be mass-produced.
Date:
September 27, 1921
Creator:
Hosek, Charles
System:
The Portal to Texas History
Phonograph-Needle.
Patent for a phonograph needle "which is simple in construction, inexpensive to manufacture, and may be used in connection with phonograph records of different types" (lines 18-21). The needle has a flexible shank (in multiple forms) for improved audio quality, and it accommodates various tip styles for use with many brands of phonograph records.
Date:
September 27, 1921
Creator:
Fletcher, Theodore
System:
The Portal to Texas History
Pipe-Gripping Device.
Patent for a device designed to hold and sustain a string of pipe in an elevated position during the process of unscrewing and separating it into sections, primarily used for drilling operations where pipes are connected and disconnected within a borehole.
Date:
September 27, 1921
Creator:
Steen, Buford J.
System:
The Portal to Texas History
Piston Packing
Patent for an improved means of packing pistons in gas, steam, or similar engines, which reduces the likelihood of loss of compression.
Date:
September 27, 1921
Creator:
Williams, Nolan S.
System:
The Portal to Texas History
Process of Producing Barium Chlorate
Patent for a new process of making substantially pure barium chlorate that will be more expeditious and less costly to carry out than those prior.
Date:
September 27, 1921
Creator:
Schoch, Eugene P.
System:
The Portal to Texas History
Serving-Table.
Patent for "a table...which is specially adapted for use in serving cold drinks, light lunches and the like to customers seated in an automobile or other similar vehicle" and the table "is adjustable so that it may be accommodated to vehicles of different heights" (lines 11-15, 18-19). It also contains an illustration.
Date:
September 27, 1921
Creator:
Boysen, August
System:
The Portal to Texas History
Fireproof Building Construction
Patent for improvements to the construction of fireproof buildings, using steel or concreate to create a "skeleton" frame.
Date:
September 20, 1921
Creator:
Ward, Alfred P.
System:
The Portal to Texas History
Meat-Cutting Machine
Patent for a meat-cutting machine that employs a powered knife and saw combination for the slicing of meat.
Date:
September 20, 1921
Creator:
Creed, William T.
System:
The Portal to Texas History
Motormeter-Anchor.
Patent for a new Motormeter-Anchor: a device that will "provide a means whereby a motormeter can be anchored securely to the radiator of an automobile, thus making theft of same impossible, or difficult that it will not be attempted" (lines 8-12).
Date:
September 20, 1921
Creator:
Ashton, William James
System:
The Portal to Texas History
Valve and Valve-Seat.
Patent for a valve and valve seat made of stainless steel for the purpose of preventing rusting and corrosion.
Date:
September 20, 1921
Creator:
Bevelle, Joseph C. & Smith, Joseph J.
System:
The Portal to Texas History
Elevator Controlling Device
Patent for improvements to the elevator controlling device. These improvements have to do with the main circuit being broken while the elevator doors are open, thus stopping the elevator from moving before the doors are fully closed.
Date:
September 13, 1921
Creator:
Quick, Charles F.
System:
The Portal to Texas History
Flour-Sifter.
Patent for a centrifugal flour sifter that removes pests, mold, and debris.
Date:
September 13, 1921
Creator:
Brewer, Johnson
System:
The Portal to Texas History
Flush-Valve
Patent for a flush valve designed for efficiency.
Date:
September 13, 1921
Creator:
Winckler, Henry J.
System:
The Portal to Texas History
Gearing.
Patent for a speed transmission device that simply and efficiently changes the gears in an automobile especially at fluctuating speeds.
Date:
September 13, 1921
Creator:
Anderson, Bert
System:
The Portal to Texas History
Motor-Driven Surface-Treating Machine.
Patent for a surface-treating machine propelled by a motor. The design is compact, economic, and more efficient than previous machines.
Date:
September 13, 1921
Creator:
Clarke, Alex A.
System:
The Portal to Texas History
Parcel Carrier
Patent for improvements in parcel carrier for automobiles.
Date:
September 13, 1921
Creator:
Campbell, William L.; Straughan, Augustus E.; Commons, A. J.; Weisman, S. & Winton, E. H.
System:
The Portal to Texas History
Safety Medicine-Spoon
Patent for a safety medicine spoon which can be carried over distance without spillage or loss of the contents held by the spoon, particularly aimed at helping medicate infants or weak patients without the potential for spillage. The design prioritizes easy cleansing and decontamination.
Date:
September 13, 1921
Creator:
Toler, Hubert
System:
The Portal to Texas History
Shoe-Heel Holder.
Patent for "the provision of means for removably holding a heel in position for attachment to a shoe...as to hold it against accidental displacement during the operation of securing it to the shoe..." (lines 10-12, 22-24). It also includes an illustration.
Date:
September 13, 1921
Creator:
Creed, William Thomas
System:
The Portal to Texas History
Signal for Vehicles.
Patent for a signal designed to be carried on the rear end of a motor vehicle for the purpose of indicating whether the vehicle intends to turn to the right or to the left, operated by the driver in advance.
Date:
September 13, 1921
Creator:
Mckesky, Walter W.
System:
The Portal to Texas History
Automobile Attachment.
Patent for an automobile floorboard attachment for closure of clutch pedal openings, keeping the motor's heat from passing through.
Date:
September 6, 1921
Creator:
Sears, Joseph M.
System:
The Portal to Texas History