Resource Type

Degree Department

11 Matching Results

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Calculator (open access)

Calculator

Patent for a calculator which consists of semicircular device with movable pointers and number indexes printed on it that allows the pointers to be moved to different numbers to produce the answer to a math problem such as calculating the cost of goods sold by the pound in a store.
Date: December 21, 1909
Creator: Goss, George Wilson
System: The Portal to Texas History
Crude-Oil Burner (open access)

Crude-Oil Burner

Patent for a portable crude oil burner that attaches to stoves.
Date: September 20, 1910
Creator: Lubbock, William L. & Hamblen, Samuel
System: The Portal to Texas History
Boot (open access)

Boot

Patent for a boot design that contains a counter-support of coil springs while also being inexpensive, durable, and efficient.
Date: October 2, 1888
Creator: Benson, Henry L.
System: The Portal to Texas History
Concentration of Ores. (open access)

Concentration of Ores.

Patent for improvements to recovering ore using flotation methods.
Date: December 17, 1918
Creator: Wiser, Oba
System: The Portal to Texas History
Graphene Formation on Dielectrics and Electronic Devices Formed Therefrom (open access)

Graphene Formation on Dielectrics and Electronic Devices Formed Therefrom

Patent relating to graphene formation on dielectrics and electronic devices formed therefrom.
Date: December 29, 2010
Creator: Kelber, Jeffry A.; Gaddam, Sneha Sen & Bjelkevig, Cameron L.
System: The UNT Digital Library
Quilting-Frame for Sewing-Machines. (open access)

Quilting-Frame for Sewing-Machines.

Patent for an attachment that can be connected to a sewing machine to facilitate quilting.
Date: March 24, 1914
Creator: Click, Washington B.
System: The Portal to Texas History
Low-Water Alarm For Boilers (open access)

Low-Water Alarm For Boilers

Patent for "improvements in low water alarms for steam boilers and more particularly to those which are operated by the heat from the steam in the boiler, after the water therein has fallen below a predetermined danger point" (lines 15-20).
Date: January 5, 1915
Creator: Anderson, Williamson D. & Shearer, Edward J.
System: The Portal to Texas History
Protector for Detonator-Caps. (open access)

Protector for Detonator-Caps.

Patent for a detonator cap that acts as a "protecting device...to seal the inner end of the cap into which the adjacent end of the fuse is projected in use." (lines 13-16)
Date: October 9, 1917
Creator: Dillard, George L.
System: The Portal to Texas History
Triple Valve (open access)

Triple Valve

Patent for a triple valve for air brakes on trains that gives the engineer more control over the brakes.
Date: August 13, 1912
Creator: Anderson, Williamson D. & Shearer, Edward J.
System: The Portal to Texas History
Selective Call for Telegraph or Telephone Lines (open access)

Selective Call for Telegraph or Telephone Lines

Patent for a device that allows the user to ring a specific telephone or telegraph line without ringing the bells at other lines.
Date: September 30, 1902
Creator: Palmer, William, Jr.
System: The Portal to Texas History
Screw-Driver (open access)

Screw-Driver

Patent for a screwdriver. Illustrations included.
Date: December 29, 1908
Creator: Winfrey, Edgar M. & Lilins, Thomas W.
System: The Portal to Texas History