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Automobile-Top.
Patent for "new and useful improvements in Automobile-Tops." (lines 5-6) and is related to "tops of automobiles having two or more seats." (lines 9-10) includes illustrations.
Date:
March 2, 1920
Creator:
Stewart, Henry W.
System:
The Portal to Texas History
Contact-Shoe for Automatic Train-Stops.
Patent for a new contact shoe, used in rail transport, attached to the train car to conduct automatic stops despite possible hazards through the use of magents and electricity, including illustrations .
Date:
March 30, 1920
Creator:
Bulla, Melbern Bernie
System:
The Portal to Texas History
Crown Setter
Patent for a crown setter that can make impressions of varying sizes with the same tool.
Date:
July 6, 1920
Creator:
Lewis, Samuel Riley
System:
The Portal to Texas History
Bed.
Patent for a bed, specifically the joints of a bedframe. The side rails for a bedframe are joined by tapered connectors.
Date:
August 17, 1920
Creator:
Hellweg, Rudolph F.
System:
The Portal to Texas History
Coating Apparatus and Mathod.
Patent for a new apparatus into which long objects such as pipes can be placed, dipped into coating material, and spun so that objects are coated evenly.
Date:
August 24, 1920
Creator:
Watrous, Edward L.
System:
The Portal to Texas History
Combustion Apparatus
Patent for a combustion apparatus that will maximize the heat produced with any given amount of fuel.
Date:
December 14, 1920
Creator:
Anderson, Robert James
System:
The Portal to Texas History
Apparatus for Separating or Concentrating Ores
Patent for improvements in apparatus for separating or concentrating ores through a flotation method.
Date:
August 31, 1920
Creator:
Cole, David
System:
The Portal to Texas History
Automatic Density-Indicator for Slime-Pulp Separators.
Patent for devices that thickens slimes for ore milling operations in which it will indicate the density and regulate it so it will not go below a predetermined value.
Date:
June 22, 1920
Creator:
Allen, Charles
System:
The Portal to Texas History
Automobile-Radiator.
Patent for improvements in automobile radiators to provide the ability to remove the top and the bottom of the tanks so they can be easily reached for replacement and repair.
Date:
June 15, 1920
Creator:
Costelloe, Clinton & Stoll, Sherm G.
System:
The Portal to Texas History
Patent for Film Winding Attachment
Patent for film-winding attachment that allows for the exact number of rotations to wind film. This invention seeks to prevent unnecessary damage that excessive winding can do to film.
Date:
January 6, 1920
Creator:
Mansfield, Clarence H.
System:
The Portal to Texas History
Hydrocarbon-Burner
Patent for an improved hydrocarbon burner, including illustrations.
Date:
April 6, 1920
Creator:
Critchett, James C.
System:
The Portal to Texas History
Spark-Arrester.
Patent for a spark aresster that is designed to prevent the discharge of sparks from a flue, particularly flues for small stoves used in army tents.
Date:
January 27, 1920
Creator:
Ashby, Bert A.
System:
The Portal to Texas History
Process of Vaporizing Liquids and Apparatus Used in Connection Therewith.
Patent for improvements in vaporizing liquids referring to a processing a liquid such as gasoline or kerosene and properly mixing it with air.
Date:
May 25, 1920
Creator:
McClinktock, Charles David
System:
The Portal to Texas History
Process of Vaporizing Liquids.
Patent for an engine designed for combustion of kerosene with air. The patent notes improvements for regulating the mixture ratios and maximizing efficiency by heating the air intake.
Date:
December 21, 1920
Creator:
McClintock, Charles Davis
System:
The Portal to Texas History
Packing-Gasket
Patent for a packing gasket comprising a soft metal sleeve formed to a non-leaking joint between connected pipes.
Date:
November 6, 1920
Creator:
Allison, Jesse H.
System:
The Portal to Texas History
Packet-Holder.
Patent for a packet holder used to wrap and tie a bundle of mail or letters made using a cord and clasp plate.
Date:
January 27, 1920
Creator:
Ashby, Bert
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
Thickener (Sewage Type).
Patent for sewage thickener that relies on sewage solids to sink to the bottom of the sewer and fall into the thickener, in which the thickener will press the solid sewage into a pulp. The pulp will be pressed at a predetermined density, and then the pressed pulp will float to the top of the sewage to be removed. The separation of liquid and solid sewage was predicted to prevent overflow.
Date:
March 11, 1920
Creator:
Allen, Charles
System:
The Portal to Texas History
Saw Gaging and Setting Tool.
Patent for saw gaging and setting tool designed to be a simple and efficient way to gage and set saws blades. The invention can also be used for truing saw teeth.
Date:
January 20, 1920
Creator:
Barger, Bernard J.
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
Sanitary Cover-Pad for Mattresses.
Patent for an improvement in sanitary pad covers for mattresses that is washable and contains pocket flaps underneath that can hold a sheet of waterproof material to protect the mattress beneath.
Date:
May 11, 1920
Creator:
Callahan, John William & Callahan, Maud B.
System:
The Portal to Texas History
Silo-Door.
Patent for a door for silos that is inexpensive and "comprises part of a ladder includes in a chute held in a position upon the silo by the door." (lines 16-18)
Date:
May 25, 1920
Creator:
Atkins, Thomas, B.
System:
The Portal to Texas History
Slime-Pulp Thickener
Patent for a new and useful improvement in slime pulp thickeners
Date:
November 30, 1920
Creator:
Allen, Charles
System:
The Portal to Texas History
Slime-Pulp Thickener
Patent for a device for thickening slime or pulp in the treating of ores wet milling. The device controls the disbursement of slim pulp in the thickener, producing a better solid to liquid ratios.
Date:
August 17, 1920
Creator:
Allen, Charles
System:
The Portal to Texas History