7 Matching Results

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Multifunctional Micropipette Biological Sensor (open access)

Multifunctional Micropipette Biological Sensor

Patent relating to a multifunctional micropipette biological sensor.
Date: May 7, 2010
Creator: Choi, Tae-Youl
System: The UNT Digital Library
Windmill (open access)

Windmill

Patent for Windmill that is adapted to be held in various positions. This Windmill device will be strong, durable, and easy to construct.
Date: June 10, 1913
Creator: Houston, John J.
System: The Portal to Texas History
Weather-Strip. (open access)

Weather-Strip.

Patent for "an improved construction of metallic weather strip which may be readily applied to the lower edge of a door and will effectually exclude rain, snow, sand or dirt, and prevent the same from entering between the lower edge of the door and the threshold" (lines 11-17) including illustrations.
Date: August 10, 1915
Creator: Faires, Elisha J. & Dulaney, Joseph F.
System: The Portal to Texas History
Leveling Device for Traction Engines (open access)

Leveling Device for Traction Engines

Patent for a leveling device for traction engines. Illustrations included.
Date: January 10, 1911
Creator: Brown, Daniel T.
System: The Portal to Texas History
Improvement in Photographic Backgrounds. (open access)

Improvement in Photographic Backgrounds.

Patent for a new way of "holding and manipulating photographers' backgrounds" (line 19) including illustrations.
Date: June 10, 1879
Creator: Moberly, Louis
System: The Portal to Texas History
Reamer-Drill for Well-Boring (open access)

Reamer-Drill for Well-Boring

Patent for reamer drills for boring wells. The invention relates to the construction and arrangement of the drill. The drill expands as it leaves the casing to form a drill and reamer, which limits the expansion of the forks.
Date: September 10, 1918
Creator: Walker, William M.
System: The Portal to Texas History
Earth-Auger. (open access)

Earth-Auger.

Patent for a device that drills into the ground and lifts the contents into a metal container. The hand-operated device also has wings that expand to let the user know when to empty the contents.
Date: April 10, 1917
Creator: Phillips, Dave T.
System: The Portal to Texas History