Bearing for Driving and Other Shafts. (open access)

Bearing for Driving and Other Shafts.

Patent for a bearing or other driving shafts which can be easily removed without harming the rest of the machine. Illustration is included.
Date: March 31, 1908
Creator: Wiggs, James A., Jr.
System: The Portal to Texas History
Bandage. (open access)

Bandage.

Patent for bandage that prevents and/or reduces the occurrence of "double chin."
Date: March 20, 1906
Creator: Hardee, Virginia E.
System: The Portal to Texas History
Cistern. (open access)

Cistern.

Patent for a rain cistern, which can have oil put in it to prevent rust and sends out dirt from the cistern if it overflows.
Date: March 8, 1910
Creator: Fischer, Christian
System: The Portal to Texas History
Car-Coupling. (open access)

Car-Coupling.

Patent for improved car couplings "of the Janney type, capable of readily coupling on short curved, and adapted to be either coupled or uncoupled without going between cars. A further object of the invention is to provide means whereby the parts may be readily set for automatic coupling, or to prevent coupling." (Lines 13-20) Includes instructions and illustrations.
Date: March 19, 1895
Creator: Armstrong, James P.
System: The Portal to Texas History
Inductance Device for Wireless Electrical Signaling (open access)

Inductance Device for Wireless Electrical Signaling

Patent for device to "receive messages transmitted in the form of dots, dashes or spoken words through space" (lines 16-17)
Date: March 30, 1915
Creator: Lorenz, Charley O.
System: The Portal to Texas History
Combined Kitchen-Cabinet and Refrigerator (open access)

Combined Kitchen-Cabinet and Refrigerator

Patent for the combination design of kitchen cabinets that include a refrigerator component.
Date: March 4, 1919
Creator: Polk, Thomas J.
System: The Portal to Texas History
Method of Casting Chilled Valve-Seats (open access)

Method of Casting Chilled Valve-Seats

Patent for making moldings of seats to be more consistent.
Date: March 11, 1919
Creator: Boykin, Burwell, Jr.
System: The Portal to Texas History
Lightning-Protecting System for Oil-Tanks. (open access)

Lightning-Protecting System for Oil-Tanks.

Patent for an improved system that is used for protecting oil tanks from getting struck by lightning and can get put on existing structures to ground them. The patent includes instructions and an illustration.
Date: March 14, 1916
Creator: Gunthorpe, Charles Henry
System: The Portal to Texas History
Automatic Fuel-Changing Valve. (open access)

Automatic Fuel-Changing Valve.

Patent for Automatic Fuel Changing Valve. The purpose of the invention is to provide a mechanism that switches to another gas supply when the one which is feeding the system runs low.
Date: March 26, 1918
Creator: Connelly, John S.
System: The Portal to Texas History
Train-Pipe Coupling. (open access)

Train-Pipe Coupling.

Patent for a train pipe coupling that holds tightly together.
Date: March 28, 1911
Creator: Moss, Dexter W. & Olschner, Clarence E.
System: The Portal to Texas History
Pump. (open access)

Pump.

Patent for a pump. This patent claims improvements in the design of pumps used for oil or water.
Date: March 6, 1906
Creator: Nevins, Ennis M.
System: The Portal to Texas History
Hydraulic Swivel (open access)

Hydraulic Swivel

Patent for a new and useful improvement in hydraulic swivels by simplifying the structure and making the device more efficient and reliable.
Date: March 7, 1922
Creator: Black, Lee J.
System: The Portal to Texas History
Portable Sawing Machine (open access)

Portable Sawing Machine

Patent for portable sawing machine. Illustration included.
Date: March 23, 1909
Creator: Tevis, Noah Cap
System: The Portal to Texas History
Still and Still-Setting (open access)

Still and Still-Setting

Patent for steam still improvements using an open steel frame for support of the still. This steel frame allows for heating by methods other then steam and easy access to the bottom plates of the still to see if there is leakage.
Date: March 30, 1920
Creator: Henderson, Herbert
System: The Portal to Texas History
Hydraulic Swivel. (open access)

Hydraulic Swivel.

Patent for a hydraulic swivel valve, to allow water to flow to the drill stem for purposes of cooling and lubrication.
Date: March 22, 1921
Creator: Black, Lee J.
System: The Portal to Texas History
Grain-Car. (open access)

Grain-Car.

Patent for a grain car, with improved methods or loading and unloading the grain, as well as an easy method for converting the car to haul regular cargo.
Date: March 15, 1921
Creator: Dukes, Sandy
System: The Portal to Texas History
Process of Catalyzing Oil and Apparatus Therefor. (open access)

Process of Catalyzing Oil and Apparatus Therefor.

Patent for improvements to oil boiling & processing to preserve its hydrocarbon properties by converting high-boiling oils to low-boiling oils using a specific apparatus for vaporization and a catalyst reheating device, such as a chamber furnace.
Date: March 14, 1916
Creator: Alexander, Clive M. & Taber Jr., George H.
System: The Portal to Texas History
Rotary Well-Boring Machine. (open access)

Rotary Well-Boring Machine.

Patent for a rotary well boring machine, which has flexible joints to adjust to varying conditions.
Date: March 31, 1908
Creator: Wiggs, James Alexander, Jr.
System: The Portal to Texas History
Refuse-Carrier Frame. (open access)

Refuse-Carrier Frame.

Patent for a support frame for devices that carry refuse from the saw mill to the burning pile, with instructions and illustrations.
Date: February 19, 1891
Creator: Zimmerman, Joseph W.
System: The Portal to Texas History
Concrete Step Mold (open access)

Concrete Step Mold

Patent for concrete that when used multiple times will produce a flight of stairs.
Date: March 20, 1917
Creator: Baldwin, Thomas H.
System: The Portal to Texas History
Process of Making Artificial Fuel (open access)

Process of Making Artificial Fuel

Patent for process of creating artificial fuel and the resulting product.
Date: March 11, 1902
Creator: Steiner, Robert
System: The Portal to Texas History
Root Crop Harvester (open access)

Root Crop Harvester

Patent for a root crop harvester. This invention is designed for the harvesting of peanuts, potatoes, sugar beets, turnips, onions, etc. Illustration included.
Date: March 2, 1909
Creator: Bourland, Joseph M.
System: The Portal to Texas History
Drying-Machine (open access)

Drying-Machine

Patent for a drying machine for stone, clay and related substances that will not burn the materials.
Date: March 4, 1913
Creator: Black, Lee J.
System: The Portal to Texas History