Vapor-Condensing Apparatus. (open access)

Vapor-Condensing Apparatus.

Patent for a vapor condensing system that utilizes a mixing chamber and several coils of tubing to produce a cooling effect. The application is suitable for ice machines, refrigeration plants and other systems.
Date: November 13, 1917
Creator: Phillips, John Ernst
System: The Portal to Texas History
Nut Lock (open access)

Nut Lock

Patent for device locks a nut to the threaded portion of a bolt.
Date: January 2, 1917
Creator: Blackwelder, Charlie A.
System: The Portal to Texas History
Meat Slicer (open access)

Meat Slicer

Patent for machine that cuts meat.
Date: February 6, 1917
Creator: Miller, Charles R.
System: The Portal to Texas History
Trolley-Harp. (open access)

Trolley-Harp.

Patent for improvements to the efficiency of trolley harps by changing how the currents that power "overhead type electric car systems" (lines 13-14) are conducted.
Date: May 15, 1917
Creator: Carmack, James H.
System: The Portal to Texas History
Space Band for Line Casting Machines (open access)

Space Band for Line Casting Machines

Patent for improvments in space bands.
Date: January 2, 1917
Creator: Webb, James L.
System: The Portal to Texas History
Peanut Digger. (open access)

Peanut Digger.

Patent for new and useful improvements to a machine for harvesting or digging peanuts, including instructions and illustrations.
Date: May 15, 1917
Creator: Amos, Thomas E. & Abernathy, George J.
System: The Portal to Texas History
Sliding Door for Railway Freight Cars (open access)

Sliding Door for Railway Freight Cars

Patent for sliding door for frieght cars, rather than doors that open outward.
Date: January 9, 1917
Creator: Tierney, Henry J.
System: The Portal to Texas History
Dry Closet. (open access)

Dry Closet.

Patent for a new design that improves "construction, utility, and efficiency of dry closets"(lines 10-11) that would also allow the use of an attachment specifically for dry closet seats. Includes design for mesh cloth to capture waste.
Date: April 24, 1917
Creator: Mershon, John H.
System: The Portal to Texas History
Cotton-Gin. (open access)

Cotton-Gin.

Patent for an improved method of locating the air blast apparatus for cleaning lint from the saw teeth of saw-type cotton gins, so that the cotton lint does not accumulate on the cleaning apparatus and render it inoperative, including illustrations.
Date: July 24, 1917
Creator: Hopper, James F.; Stephens, George B. & Young, Harry F.
System: The Portal to Texas History