4 Matching Results

Results open in a new window/tab.

Internal-Combustion Engine. (open access)

Internal-Combustion Engine.

Patent for a new and improved device within internal combustion engines "whereby water is converted into steam, and then delivered into the combustion chamber of an internal combustion engine" (lines 13-16). Includes illustrations.
Date: November 16, 1915
Creator: Harwood, William W.
System: The Portal to Texas History
Tool for Sinking Wells. (open access)

Tool for Sinking Wells.

Patent for improvements in tools for sinking artesian wells, that the tool “will perform its duty under all circumstance and excavate as well in hard materials as in soft earth, as quicksand and cavey formations, and will not have its functions interfered with when an insufficient flow of water is encountered.” (Lines 17-22) Illustration is included.
Date: June 16, 1891
Creator: Stephenson, James D.
System: The Portal to Texas History
Footboard and Guard-Rail for Street-Cars. (open access)

Footboard and Guard-Rail for Street-Cars.

Patent for street car foot boards and guardrails that fold up and close the side passageways.
Date: July 16, 1901
Creator: Wassenich, Frank W.
System: The Portal to Texas History
Slicer. (open access)

Slicer.

Patent for an improved kitchen slicer with "a plurality of parallel blades which are secured to a stock or handle so that the entire cutting edges thereof will be arranged beneath the stock or handle and can be readily used for cutting bread, meats and vegetables" (lines 14-19), with illustrations.
Date: February 16, 1915
Creator: McPherson, Patty
System: The Portal to Texas History