UNT Libraries Government Documents Department - 9 Matching Results

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Tractor

Description: Patent for an improved tractor where the "propelling force is delivered through traction blocks...(lines 11-12)."
Date: March 22, 1921
Creator: Aerl, Van Vivian
Item Type: Refine your search to only Patent

Ice Breaking Machine.

Description: Patent for an improved Ice Breaking Machine. This new design has movable plates that allow for the ice to be broken up into various sizes as desired by the user. It is also of a simpler construction than earlier machines.
Date: June 22, 1914
Creator: Krocker, Adolf C.
Item Type: Refine your search to only Patent

Rail-Joint.

Description: Patent for a modification of a conventional rail joint, adding a solid abutment that allows for the use of conventional splice bars that "does not involve any appreciable increase in cost over the conventional rail joint" (lines 29-30). Includes Illustration.
Date: May 22, 1917
Creator: Baker, William E.
Item Type: Refine your search to only Patent

Combined Saw Buck and Drag Saw.

Description: Patent for a new and improved saw-buck and drag-saw. This design consists in "[t]he combination of the saw-buck having cross-piece, the swinging arm pivoted to and laterally movable on said cross-piece, the upper-end of said arm being provided with a slot, the saw, the saw-carriers . . . having spindles, the forward-carrier being provided with a tenon, and the saw-frame pivotally mounted on the spindles of the saw-carriers" (lines 74-82).
Date: March 22, 1887
Creator: Nitsche, John Emil & Kowalewsky, August
Item Type: Refine your search to only Patent

Cotton-Press.

Description: Patent for a cotton-press that makes "tightly wound bales from the cotton bats formed upon the condenser, and fed into the press" (lines 13-15).
Date: January 22, 1895
Creator: Banister, Charles
Item Type: Refine your search to only Patent

Cotton-Press.

Description: Patent for a cotton-press that does not allow the cotton to rebound after the plunger compresses it because of teeth in the box. When the operator wishes to remove the cotton, the teeth automatically disengage in order for the cotton to be removed easily.
Date: January 22, 1895
Creator: Banister, Charles & Hollingsworth, Joseph
Item Type: Refine your search to only Patent

Railway-Joint

Description: Patent for improvements onto railway joints to "omit the declining surfaces of the fish-plate and to employ in conjunction with my other devices or wedges an ordinary fish-plate, whereby the invention may be applied to the joints of rails now in use any change whatever either to the fish-plates or the bolts" (lines 22-28).
Date: November 22, 1892
Creator: Greenwell, Robert E.
Item Type: Refine your search to only Patent
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