UNT Libraries Government Documents Department - 4 Matching Results

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Combined Tie-Plate and Rail-Anticreeper.

Patent for a combined railroad tie and rail anti-creeping device, which prevents the rails from spreading.

Date: December 7, 1909

Creator: Clarke, Marcus S.

Item Type: Patent

Flexible Scraper.

Patent for a new and improved flexible scraper. This design "consist[s] of the concave board, the sheet of rubber secured by bolts to the concave face of the board, the handle, the sockets secured to the convex face of the board and handle, respectively, and the braces" (lines 52-57).

Date: December 7, 1886

Creator: Kaelin, Albert J.

Item Type: Patent

Notching Means for Wire-Winding Machines.

Patent for notching means for wire winding machines, which evenly notches well screens with a chisel.

Date: December 7, 1909

Creator: Wergin, William Lewis

Item Type: Patent

Water-Heating Attachment for Internal-Combustion Motors.

Patent for a water heating attachment for internal combustion motors that will allow the cooling fluid in said motors to remain heated even when the motor is at rest, especially during freezing temperatures, including illustration.

Date: December 7, 1920

Creator: Clayton, Oscar B. & Oberwetter, George T.

Item Type: Patent

UNT Libraries Government Documents Department - 4 Matching Results

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Combined Tie-Plate and Rail-Anticreeper.

Flexible Scraper.

Notching Means for Wire-Winding Machines.

Water-Heating Attachment for Internal-Combustion Motors.