12 Matching Results

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Valve for Engines. (open access)

Valve for Engines.

Patent for certain new and useful improvements in valves for steam engines, including instructions and illustrations.
Date: November 8, 1898
Creator: Allen, Walter J.
System: The Portal to Texas History
Rail-Bond. (open access)

Rail-Bond.

Patent for a rail bond that allows an electric current to travel through the rails.
Date: March 14, 1911
Creator: Humason, Granville A. & Odell, Edward F.
System: The Portal to Texas History
Oxygen-Generator (open access)

Oxygen-Generator

Patent for an oxygen generator that refills as it is emptied.
Date: February 7, 1911
Creator: Bradley, Richard Clinton
System: The Portal to Texas History
Cotton Cleaner, Feeder, and Separator Elevator (open access)

Cotton Cleaner, Feeder, and Separator Elevator

Patent for a machine designed to take and clean cotton from a cotton supply, and then feed it directly into a cotton gin. Illustrations included.
Date: May 19, 1908
Creator: Carmouche, Emile A.
System: The Portal to Texas History
Conduit Electric Railway. (open access)

Conduit Electric Railway.

Patent for an underground conduit electric railway meant to propel cars. The conduit can be drained and kept dry, and a trolley attachment protects the conduit from dirt and water as well.
Date: December 5, 1893
Creator: de Voe, William R.
System: The Portal to Texas History
Conduit Electric Railway. (open access)

Conduit Electric Railway.

Patent for a surface trolley for electric railways that operates "upon the surface of the pavement or ground between the tracks of the road, for connecting the car with the motor power, in place of the trolley and over head wires now suspended upon the unsightly poles in the center or at the sides of the street, which are found to be very objectionable on account of their obstructing the passageway in the streets and upon the side walks, and the wires preventing the free movement of fire companies in extending their ladders in gaining access to buildings, and also because of the great danger attending persons and animals moving about in the street, on account of the charged or live wires frequently being thrown down upon the ground, and coming in contact with and destroying the life of persons, and also on account of the frequent fatal accidents to persons having charge of the repair of the wires and other apparatus in connection with them, often coming in contact with live wires while elevated on the poles and engaged in repairing them" (lines 16-38).
Date: April 11, 1893
Creator: Voe, William R. de
System: The Portal to Texas History
Liquid Dispensing Apparatus. (open access)

Liquid Dispensing Apparatus.

Patent for "certain new and useful Improvements in Liquid Dispensing Apparatus" (lines 5-7) describing new improvements, including instructions and illustrations.
Date: November 28, 1916
Creator: Bradley, Richard C.; Kinnebrew, Lee; Eastham, J. Malley & Ireland, C. Frank
System: The Portal to Texas History
Pipe-Wrench. (open access)

Pipe-Wrench.

Patent for improvements to pipe wrenches to a more simple design.
Date: February 16, 1915
Creator: Lewis, Guy V.
System: The Portal to Texas History
Patent for Locking Mechanism (open access)

Patent for Locking Mechanism

Patent for locking mechanism, particulalry used in locking liquid dispensing machines.
Date: January 30, 1917
Creator: Bradley, Richard C.
System: The Portal to Texas History
Improvement in Plaiting-Irons. (open access)

Improvement in Plaiting-Irons.

Patent for an improvement to plaiting-irons: "a plaiting-iron composed of a peculiarly-constructed iron or metal plate used in connection with a correspondingly-constructed board" (lines 23-25), with illustrations.
Date: August 14, 1877
Creator: Gingras, Joseph E.
System: The Portal to Texas History
Drill-Bit. (open access)

Drill-Bit.

Patent for improvement to drill-bits. The object of the invention is to provide a bit of the character described which is especially adapted for deep well drilling by the rotary process.
Date: December 30, 1919
Creator: Humason, Granville A.; Bierce, Edward B. & Parker, John W.
System: The Portal to Texas History
Combination Drill Bit and Drill Shank (open access)

Combination Drill Bit and Drill Shank

Patent for "Improvements in Combination Drill-Bits and Drill-Shanks" (lines 6-7) including illustrations.
Date: December 30, 1919
Creator: Humason, Granville A.
System: The Portal to Texas History