9 Matching Results
Results open in a new window/tab.
Results:
1 - 9 of
9
Combination Countersink and Bit-Gage.
Patent for a tool to be used with a drill or bit that allows the user to simultaneously drill and form a countersink. It also has a bit gauge that allows it to be used for drills of varying sizes.
Date:
March 23, 1920
Creator:
Storey, Henry L.
System:
The Portal to Texas History
Automobile-Tilting Machine.
Patent for new and improved automobile jack that facilitates secured access to repair the underside of the automobile, including illustrations. Jack consists of a large frame, part of which is curved for tilting, water adjustable weight counterbalance, and wheel locking channels.
Date:
March 23, 1920
Creator:
Weimar, Fritz
System:
The Portal to Texas History
Chassis Connection.
Patent for improvements on chassis connections for fastening a truck body sill on a chassis without boring a hole or weakening the will, while making the connection easier to make as well as more quickly; includes illustrations.
Date:
March 23, 1920
Creator:
Robinson, Robert F.
System:
The Portal to Texas History
Tractor.
Patent for improvements to the tractor with adjustable framework for the wheels (narrower or wider).
Date:
March 23, 1920
Creator:
Weaver, William S.
System:
The Portal to Texas History
Unscrewing Device for Pipe-Joints.
Patent for an unscrewing device for pipe-joints, in the event that the drill stem gets stuck while drilling wells. This invention allows the user to unscrew "the joints of the drill stem" and withdraw "the same without the use of the left hand threaded string of pipe" (lines 35-38).
Date:
March 23, 1920
Creator:
Edwards, Charles R.
System:
The Portal to Texas History
Tire-Chain
Patent for improved tire chains which can withstand greater strain.
Date:
March 23, 1920
Creator:
Fields, James A. & Witte, Jessie J.
System:
The Portal to Texas History
Ensilage-Packer for Silos.
Patent for a device in "which the center and edges" of a silo "will be packed with equal firmness and solidity" (lines 14-16) of materials, including an illustration and description of the device.
Date:
March 23, 1920
Creator:
Comer, John H.
System:
The Portal to Texas History
Double-Lever Brake.
Patent for "new and useful improvements in Double-Lever Brakes." (lines 6-7) and how the invention will provide more power to the brake and equally distribute that power. Includes illustrations.
Date:
March 23, 1920
Creator:
Roberts, George P.
System:
The Portal to Texas History
Culvert.
Patent for a culvert which is to be used for sewers or other underground conveyers. Its is to be composed of varying materials that can be easily shipped and jointed together to form the sewer or other underground conveyer.
Date:
March 23, 1920
Creator:
Charliss, Charles F. J.
System:
The Portal to Texas History