UNT Libraries Government Documents Department - 41 Matching Results

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Boiler-Skimmer.

Description: Patent for a boiler-skimmer that improves the hinge joint so that water or scum will have free access there and in all positions of the skimmer.
Date: October 14, 1919
Creator: Phillips, Eugene N. & Dick, Harvey H.
Item Type: Refine your search to only Patent

Can Opener

Description: Patent for a can opener which cuts cleanly and rapidly around the outside wall of the can, so as to avoid jagged edges.
Date: February 14, 1922
Creator: Minor, Robert B.
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists, "with a draw-head and a pin held to slide vertically therein, of a lever pivotally connected with the said link and fulcrumed on the draw-head, a chain connected with the said lever, an eye through which passes said chain, an arm connected with the inner end of the said chain, and a transversely-extending shaft mounted to turn in suitable bearings in the car-body and carrying the said arm" (lines 15-24).
Date: October 14, 1890
Creator: Onzon, François P.
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consists in the employment of a handled shaft hung in suitable bearings or buffers at the end of the car, and having a wheel provided with a series of pins or arms adapted to be automatically projected and retracted, said shaft also having ratchets engaged by holding-pawls" (lines 15-21).
Date: November 14, 1882
Creator: McLeary, James Harvey
Item Type: Refine your search to only Patent

Combined Pole Tip and Neck Yoke Clamp.

Description: Patent for a new combination wagon-pole tip and neck-yoke clamp. This design "provide[s] a combined wagon-pole tip or socket and neck-yoke clamp of novel construction, which can be easily attached to and detached from the pole or neck-yoke, and which, when in use, will be self-adjusting to the movements of the neck-yoke due to the motion of the team" (lines 9-15).
Date: November 14, 1882
Creator: Sibert, Francis William & Hurd, Stephen Porter
Item Type: Refine your search to only Patent

Cultivator and Cotton-Chopper

Description: Patent for improvements "to provide flexible revolving knives or hoes, and, second, to afford facilities for supporting the cultivating and chopping device when out of the ground without throwing more weight behind the axle on the main wheels to tip the end of the pole against the horses necks" (lines 13-19).
Date: January 14, 1890
Creator: Hurd, Judson B. & McLane, Hiram H.
Item Type: Refine your search to only Patent

Display or Advertising Device.

Description: Patent for a dimple, durable display or advertising device "which may be easily and conveniently used for displaying or exposing an advertising sign in a manner to attract attention to the same" (lines 14-17), including instructions and illustrations.
Date: May 14, 1918
Creator: Fox, William N.
Item Type: Refine your search to only Patent

Etching Apparatus.

Description: Patent for an etching device that is for those interested in producing copper and zinc half-tones. This device can also use wave like motion to retain highlight tones and finish half-tones without requiring re-etching or staging.
Date: January 14, 1919
Creator: Beare, John H.
Item Type: Refine your search to only Patent

Feed Water Heater.

Description: Patent for a new and improved water-heater. This design consists in "the combination of the supply-pipe, the supply-tank into which said pipe discharges, the said tank having a perforated bottom through which the water percolates, the vertically-divided cylinder forming the annular heating-chamber, the scatter-plates alternatingly located in diverse directions in said chamber, the said plates arranged to spray the water while heating as it falls from plate to plate, and the exhaust-steam pipe t… more
Date: January 14, 1890
Creator: Knox, George F.
Item Type: Refine your search to only Patent

Improvement in Piano-Pedal Attachments.

Description: Patent for improved piano-pedal attachments which would help "children who are not able to reach the regular pedals; by hooking the stool to the regular pedal-support and setting the connecting-rods in the little sockets in the piano-pedals." (Lines [9-14]) Illustration is included.
Date: March 14, 1876
Creator: Cheesman, Charles F.
Item Type: Refine your search to only Patent
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