Resource Type

Pump (open access)

Pump

Patent for an improved version of a pump that includes two pistons in order to eliminate both intake and discharge valves.
Date: June 15, 1915
Creator: Sherman, J. M.
System: The Portal to Texas History
Process of and Apparatus for Sizing or Classifying Comminuted Materials. (open access)

Process of and Apparatus for Sizing or Classifying Comminuted Materials.

Patent for improvements in process of and apparatus for sizing and classifying comminuted materials, according to the size of the particles of the material. It allows for particles to be classified according to size and discharged from the apparatus in different receptacles, with the particles in each receptacle being substantially the same size.
Date: June 1, 1915
Creator: Sutton, Henry M.
System: The Portal to Texas History
Spring-Full for Locks (open access)

Spring-Full for Locks

Patent for a spring-full for locks that is "automatically spring actuated" (lines 12-13) by a button including illustrations and instructions.
Date: June 22, 1915
Creator: Ewing, Harry L.
System: The Portal to Texas History
Horse-Collar. (open access)

Horse-Collar.

Patent for a horse collar that prevents "grinning", i.e., "a slight enlarging of the apertures or slits provided in the outer edge of the lining of a horse collar to receive the thong lacing commonly employed to connect said edge to the corresponding edge of the front of the collar."
Date: June 22, 1915
Creator: Schenkenberg, Frederick
System: The Portal to Texas History
Fastener. (open access)

Fastener.

Patent for a fastener to be used in the connection of doors to ensure they are locked into place.
Date: June 29, 1915
Creator: Wilson, William W.
System: The Portal to Texas History
Fan and Fixture Support. (open access)

Fan and Fixture Support.

Patent for a fan and fixture support that can be used in connection with a common type of union box for electrical conduit installations. The device provides a support or hanger that can be installed either in frame or in concrete ceilings and partitions, and it prevents rotation of the device after installation.
Date: June 1, 1915
Creator: Murph, Donald H.
System: The Portal to Texas History
Resilient Means for Vehicle Axle Suspension. (open access)

Resilient Means for Vehicle Axle Suspension.

Patent for a more resilient vehicle axle suspension and created specifically for motor vehicles.
Date: June 22, 1915
Creator: Guthrie, Nehemiah & Johnson, Callender L.
System: The Portal to Texas History