6 Matching Results

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Chemical Fire-Engine. (open access)

Chemical Fire-Engine.

Patent for a chemical fire engine that does not require refilling after the first charge is emptied.
Date: February 14, 1911
Creator: Minnis, Henry M.
System: The Portal to Texas History
Clothes-Pounder. (open access)

Clothes-Pounder.

Patent for a clothes pounder used in washing clothes. It is a pyramidal vessel that is open in the bottom and has perforations on the top of the inside of the vessel, a cap covering the top of the pyramid with an air-hole, a sleeve that goes through the top of the vessel and through the cap, a handle in the upper portion of the sleeve, a diaphragm with perforations in the base of the vessel, a rectangular box secured beneath the diaphragm, and inclined tubes open at both ends of the angles of the vessel.
Date: January 14, 1896
Creator: Leddy, Owen
System: The Portal to Texas History
Metal Ablation in Supersonic Expansion Gas Coupled to an Ion Mass Filter (open access)

Metal Ablation in Supersonic Expansion Gas Coupled to an Ion Mass Filter

Patent relating to metal ablation in supersonic expansion gas coupled to an ion mass filter.
Date: December 1, 2011
Creator: Verbeck, Guido F.
System: The UNT Digital Library
Feeder for Cotton Presses. (open access)

Feeder for Cotton Presses.

Patent for a new and improved feeder for cotton presses. This design "consists in a feeder for cotton-presses, constructed with a box to receive the cotton from the gin, the said receiving-box being provided with a movable top board to force the cotton into the packing-box placed beneath the said receiving-box, and from which the cotton is forced into the baling-press by a follower" (lines 23-30).
Date: February 14, 1882
Creator: Kirkpatrick, Robert Insley
System: The Portal to Texas History
Railroad-Spike. (open access)

Railroad-Spike.

Patent for a railroad spike, which is securely anchored in the tracks.
Date: September 14, 1909
Creator: Butts, Carl K.
System: The Portal to Texas History
Quilting-Frame. (open access)

Quilting-Frame.

Patent for a quilting frame that can be lifted up and down to allow for easy storage.
Date: February 14, 1911
Creator: Trantham, Lizzie
System: The Portal to Texas History