UNT Libraries Government Documents Department - 14 Matching Results

Search Results

Results: 1 - 14

Vapor-Condensing Apparatus.

Description: Patent for a vapor condensing system that utilizes a mixing chamber and several coils of tubing to produce a cooling effect. The application is suitable for ice machines, refrigeration plants and other systems.
Date: November 13, 1917
Creator: Phillips, John Ernst
Item Type: Refine your search to only Patent

Wood-Boring Machine.

Description: Patent for a wood boring machine "which is especially adapted to bore holes of extreme length in columns or like structural members by cutting away only a portion of the wood forming hole in same" (lines 11-15).
Date: March 13, 1906
Creator: Bible, Hunley & Robinson, Lee A.
Item Type: Refine your search to only Patent

Washing Machine

Description: Patent for a washing machine. "This invention relates to washing-machines in the nature of a combined boiler and washing machine" (8-10). Illustration included.
Date: October 13, 1903
Creator: Pollard, Louis Edgar
Item Type: Refine your search to only Patent

Baling Press.

Description: Patent for a new and improved baling press. This design consists in "a box having its upper end open and having an outwardly-opening door at the lower portion of one side, a plunger in the box having a post provided with a braced cross-piece near the upper end, ropes secured to the ends of the cross-piece, a drum under the lower end of the box, having a helical pulley at one end and a small drum at the other end, and having the ropes secured to it and winding upon it, a rope passing over guide-… more
Date: December 13, 1887
Creator: Weddle, Henry
Item Type: Refine your search to only Patent

Hay Press.

Description: Patent for a new and improved hay-press. This design "is to produce a hay-press of simple construction that will work easily and rapidly, that will operate in such a manner that the hay cannot clog in the press, and in which the plunger or follower will be automatically reciprocated by a continuous motion of the main pulley" (lines 9-15). It consists, "with the plunger having a sideways-extending arm, a screw-shaft connected with the plunger and having a sideways-extending arm, the pinion on th… more
Date: January 13, 1891
Creator: Donald, Frank
Item Type: Refine your search to only Patent

Releasing Device For Brakes Of Drive-Wheels.

Description: Patent for "releasing devices for the brakes of drive-wheels of locomotives, whereby the brakes are instantaneously released at the time the train is in motion and before the braked drive-wheels are on the point of sliding on the rails, also before the triple valve acts to release the brakes." (Lines 15-21) Includes instructions and illustrations.
Date: July 13, 1897
Creator: Pelham, Walter O.
Item Type: Refine your search to only Patent

Farm Gate.

Description: Patent for a new and improved gate. This design consists "[i]n a swinging gate pivoted at its lower inner end and suspended by a diagonal wire, upon which it swings in being opened and closed, the adjustable bar provided with a depending loop or staple for the suspending-wire, the point of suspension by said loop, being between the latch end of the gate and a vertical line drawn through its pivot-pin" (lines 51-58).
Date: September 13, 1881
Creator: Miller, Wilson B.
Item Type: Refine your search to only Patent

Farm Gate.

Description: Patent for a new and improved gate. This design "is mounted upon a hinge-rod, which is adapted for adjustment at its upper end within a rack fixed to the top of the hinge-post and provided with a pivoted keeper for said hinge-rod, the object being to set the upper end of the hinge-rod away from the latch-post as may be required to raise the free end of the gate to take up the sag, to support the gate a sufficient height above the ground to swing free of snow, and to allow of the passage of smal… more
Date: September 13, 1881
Creator: Miller, Wilson B. & Bell, William H.
Item Type: Refine your search to only Patent
Back to Top of Screen