4 Matching Results

Search Results

Improvement in Throttle-Valve Stands and Stems.

Description: Patent for "a new arrangement of support for the stem of a throttle-valve, and has for its object to facilitate the lubricating of the screw and cause the parts to be firmly held in place." (Lines 19-23) Includes instructions and illustrations.
Date: April 2, 1872
Creator: Compant, John M. & Krauskopf, Engelbert
Partner: UNT Libraries Government Documents Department

Tire Bolt Wrench

Description: Patent for a tire bolt wrench. Illustration included.
Date: April 4, 1905
Creator: Moore, James R.
Partner: UNT Libraries Government Documents Department

Pump-Operating Mechanism.

Description: Patent for a pump operating mechanism, which is run by horses going in a circle around the device to power the pump.
Date: April 27, 1909
Creator: Siggel, Willie F.
Partner: UNT Libraries Government Documents Department

Clamp for Spirit-Levels.

Description: Patent for clamps for spirit levels that allow a spirit level to be attached directly to a straight edge so that one person could safely use both the straight edge and the spirit level simultaneously. Additionally, the clamp production is simple so it can be produced at a low cost.
Date: April 30, 1918
Creator: Bridgman, Jesse Everet
Partner: UNT Libraries Government Documents Department
Back to Top of Screen