5 Matching Results

Search Results

Results: 1 - 5

Hydraulic Swivel.

Description: Patent for a new type of swivel. This swivel allows for adjustments without removing any parts on the outside of the swivel. The parts are also made more simplistic and of stronger material.
Date: August 3, 1909
Creator: Layne, Mahon E. & Hall, Samuel N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pneumatic Cotton-Conveyer.

Description: Patent for "an improvement in pneumatic cotton-conveyers, particularly with relation to means for putting the exhaust-pipe which leads to the elevator in communication with either of a series of intake-pipes at will and for relieving the partial vacuum caused by the operation of the exhaust-fan at will." (lines 8-14)
Date: March 3, 1903
Creator: Richmond, George Eustace
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen