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13 Matching Results
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Check-Book
Patent for a foldable check book. Illustration is included.
Date:
October 5, 1920
Creator:
Exline, Marcus P.
System:
The Portal to Texas History
Battery Terminal Fastening
Patent for fastening "the rubber caps or tops on the cells of storage batteries in various ways." (Lines 12-14.)
Date:
May 5, 1920
Creator:
Hawkins, Alda F.
System:
The Portal to Texas History
Lantern-Top
Patent for a lantern top that provides sufficient ventilation for the lamp or lantern. The arrangement of the lantern top provides sufficient communication between the interior of the lantern and the surrounding atmosphere to insure steady burning.
Date:
October 5, 1920
Creator:
Moore, Thomas Lindsay
System:
The Portal to Texas History
Tractor.
Patent for new and improved tractors on farms that are capable of pulling plows, cultivators, seed planters and other similar types of devices.
Date:
October 5, 1920
Creator:
Lindner, Hans
System:
The Portal to Texas History
Process of Removing Surface Finish
Patent for the process of removing paint, enamel, varnish, and lacquer from the surfaces of coated materials.
Date:
October 5, 1920
Creator:
Cleveland, David P.
System:
The Portal to Texas History
Swivel for Rotary Drills
Patent for a swivel for rotary drills used for wells of oil, water, and gas. This swivel ensures no substances, such as sand, get into the parts of the drill that move.
Date:
October 5, 1920
Creator:
Humason, Granville A.
System:
The Portal to Texas History
Punch
Patent for punch. Intent of patent is to provide a more stable way of connecting a punching tool mechanism to a reciprocating shaft.
Date:
January 5, 1920
Creator:
Doolittle, John F
System:
The Portal to Texas History
Thickener and Means for Removing Settled Solids Therefrom.
Patent for a machine which can automatically and continuously remove thickened material, which is a byproduct of wet milling ores. "The present device has been particularly designed to permit feed and discharge to be on the same level or for that matter the constant density discharge may be above or below the level of the feed stream, as may best fit the conditions of the particular installation" (lines 39-45).
Date:
October 5, 1920
Creator:
Allen, Charles
System:
The Portal to Texas History
Saw-Filing Device
Patent for an improved saw filing machine. Illustration is included
Date:
October 5, 1920
Creator:
Barger, Bernard J.
System:
The Portal to Texas History
Pump-Operating Mechanism.
Patent for Pump-Operating Mechanism designed with an operating lever for automatic engagement and be readily manipulated.
Date:
October 5, 1920
Creator:
Orla L. Huffman
System:
The Portal to Texas History
Thread-Box.
Patent for Thread-Box designed for a neat appearance, storage, and access to sewing materials.
Date:
October 5, 1920
Creator:
Crumbaugh, Hallie V. D.
System:
The Portal to Texas History
Overflow Separating Device.
Patent for an invention that allows for the separation of materials, such as fluid, between two objects, one of higher altitude than the other, with minimal disruption at the surface of the lower object.
Date:
October 5, 1920
Creator:
Allen, Charles
System:
The Portal to Texas History
Cotton-Chopper
Patent for a cotton-chopper with two moveable, adjustable cutting apparatuses, which is operated using the foot. One of the cutters moves along the path of travel of the device and the other is stationary, as to prevent the chopper from pulling the cotton plant from the ground while cutting. Patent includes illustrations.
Date:
October 5, 1920
Creator:
Dawson, William L.
System:
The Portal to Texas History