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588 Matching Results

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Wrench (open access)

Wrench

Patent for tools used for construction, plumbing, machinery, home renovations, and many more.
Date: February 27, 1923
Creator: Edwards, Charles R.
System: The Portal to Texas History
Refrigerator (open access)

Refrigerator

Patent for improvements for vacuum refrigerators such that cold air circulation and heat exclusion are improved, including illustrations.
Date: June 27, 1922
Creator: Knutson, William K.
System: The Portal to Texas History
Trap. (open access)

Trap.

Patent for a small animal trap that prevents injury to the animal. When the animals step on the pedal inside the enclosure, a door is automatically dropped. The animal is trapped inside the enclosure.
Date: June 27, 1922
Creator: Dinkins, Earl T.
System: The Portal to Texas History
Chuck. (open access)

Chuck.

Patent for chucks that secure pipes, preventing movement when being cut or threaded, including illustrations.
Date: December 27, 1921
Creator: Castanie, William
System: The Portal to Texas History
Concrete Building-Block. (open access)

Concrete Building-Block.

Patent for concrete building blocks, intended for use in the building of smaller structures, which are strong, easily assembled, and light weight.
Date: December 27, 1921
Creator: McEwen, James R.
System: The Portal to Texas History
Convertible Automobile-Body (open access)

Convertible Automobile-Body

Patent for a convertible automobile body with front seats that can be adjustable horizontally to connect with the rear seats and form a bed.
Date: December 27, 1921
Creator: Mitchell, Frank
System: The Portal to Texas History
Electric Sign. (open access)

Electric Sign.

Patent for an electric lighted sign, as might be displayed in the window of a business. The sign consists of a box with an inner reflective coating, an interior light source (bulb), and front-facing circular cutouts with translucent coverings, the latter arranged to depict the sign text.
Date: December 27, 1921
Creator: Daughdrill, Kenneth W.
System: The Portal to Texas History
Faucet. (open access)

Faucet.

Patent for improved faucet for dispensing soft drinks, designed to dispense a certain amount to ensure uniformity.
Date: December 27, 1921
Creator: Klein, George C.
System: The Portal to Texas History
Food Compound and Process of Making the Same. (open access)

Food Compound and Process of Making the Same.

Patent for an economic and palatable food compound or ingredient called "rice cream" for use in preparing pastries, ices, confectionery, sauces, puddings, and dressings; similar to malted milk and gelatin.
Date: December 27, 1921
Creator: Sasseen, John H.
System: The Portal to Texas History
Hay Rake (open access)

Hay Rake

Patent for "new and useful improvements in Hay-Rakes." (line 5-6). "Improved means for governing the dumping movements of the rake." (lines 11-12).
Date: December 27, 1921
Creator: Mottier, Walter F.
System: The Portal to Texas History
Mold for Making Fan-Belts. (open access)

Mold for Making Fan-Belts.

Patent for a three-piece mold which allows for fan belts to be made using a single piece of rubber or composition material. The fan belts would primarily be used in motor vehicles.
Date: December 27, 1921
Creator: Hibbs, Cassell D.
System: The Portal to Texas History
Pipe Tongs (open access)

Pipe Tongs

Patent for pipe tongs, adapted to securely grip and rotate pipe sections (or other round articles) of different sizes.
Date: December 27, 1921
Creator: Lowrey, George A.
System: The Portal to Texas History
Process of Mining Sulfur. (open access)

Process of Mining Sulfur.

Patent for innovations in the underground fusion or Frasch process of mining sulfur, "which comprises conducting an appropriate fusing medium [such as hot water] into the formation containing the sulfur deposit and thereby melting the sulfur" (lines 91-95). Central to the innovations is the use of a compressed gas to "eliminate or largely reduce heat losses in porous rock and exhausted sulfur regions at the higher levels of the mine where the presence of the hot water is of no benefit so far as melting sulfur is concerned" (lines 55-60).
Date: December 27, 1921
Creator: Drachenberg, August Toby
System: The Portal to Texas History
Rotary Engine (open access)

Rotary Engine

Patent for rotary engine, with improvements to rotary engine fluid pressure for motors or engines which pump fluids (such as water motor, water pump, oil pump, ammonia pump or compressor).
Date: December 27, 1921
Creator: Johnson, Louis V.
System: The Portal to Texas History
Shoemaker's Tool. (open access)

Shoemaker's Tool.

Patent for a shoemaker's tool that allows the heel or lift to be easily removed without damaging the other parts of the shoe, with illustrations and instructions. Constructed so that heels of any size or shape can be removed without making adjustments to the tool.
Date: December 27, 1921
Creator: Berger, William & Blaschke, Charles
System: The Portal to Texas History
Traction-Support. (open access)

Traction-Support.

Patent for a traction board for placing under automobile wheels when stuck in sand or mud, and hanging device for carrying the boards when not in use.
Date: December 27, 1921
Creator: Gentry, Burney C.
System: The Portal to Texas History
Vehicle-Wheel. (open access)

Vehicle-Wheel.

Patent for an improved vehicle wheel with a demountable tire rim, so that tires can be easily placed on and taken off the wheel.
Date: December 27, 1921
Creator: Larson, Christian H.
System: The Portal to Texas History
Blade-Holder (open access)

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 (open access)

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. (open access)

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 (open access)

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. (open access)

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. (open access)

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. (open access)

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