UNT Libraries Government Documents Department - 6 Matching Results

Search Results

Results: 1 - 6

Pipe Tongs Support.

Description: Patent for pipe tongs supports to provide a pipe tongs support that will permit a pipe tongs to be so balanced that it will tend to maintain itself in a horizontal position which is the position in which its use is required.
Date: August 3, 1915
Creator: Hoffer, Temple B.
Item Type: Refine your search to only Patent

Plow.

Description: Patent for a plow, by John W. Hudson. This plow has a beam that can be adjusted to carry different sizes of plows. Beam is designed to help equalize resistance between the two sides of the beam.
Date: July 3, 1906
Creator: Hudson, John W.
Item Type: Refine your search to only Patent

Gang-Plow.

Description: Patent for a gang plow for “the use of a greater or lesser number of plow units in the gang or series and, to provide as a rear support for the plow a rear furrow-wheel associated with adjusting means for raising or lowering the rear end of the plow to regulate the depth of cut and; with additional adjusting means arranged to shift the crank-axle of said wheel to properly resist the side draft of the plow and, to aid in directing the latter in four-side plowing in order that comparatively sharp… more
Date: January 3, 1905
Creator: Luecke, Henry C.
Item Type: Refine your search to only Patent

Fuel Rod Coupling

Description: Patent for a new type of fuel rod coupling, or "sucker rod," meant to increase the durability of pipes and rods used in drilling operations.
Date: June 3, 1919
Creator: Sheldon, W. J. & Allen, C. H.
Item Type: Refine your search to only Patent
Back to Top of Screen