UNT Libraries Government Documents Department - 91 Matching Results

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Automatic Blast-Generator.

Description: Patent for "a new and improved automatic blast-generator designed for the use of jewelers, dentists, and other persons, and arranged to produce a steady and uniform blast and to permit of increasing or decreasing the force of the blast as required, according to the nature of the work on hand." (Lines 9-16) Includes instructions and illustrations.
Date: October 12, 1897
Creator: Sidwell, Aaron M., Jr.
Item Type: Refine your search to only Patent

Balanced Slide Valve.

Description: Patent for a new and improved balanced slide-valve. This design consists in a "Steam-chest, a valve sliding therein, a chamber on top of the steam-chest, and a diaphragm in the top of the chamber and secured by a cap or plate, in combination with a frame having a packing-box and gland, an adjustable threaded stem or bolt passing through the frame, and the double-link connection between the said stem and valve" (lines 90-97).
Date: October 12, 1886
Creator: Bettis, William Irvin
Item Type: Refine your search to only Patent

Bale-Tie Machine.

Description: Patent to for a machine to make and count bale-ties, "...to manufacture at small cost machines which will be compact, not taking up much space, and which will e simple in construction and durable" (lines 10-13). It includes an extensive explanation and illustrations.
Date: October 12, 1897
Creator: Harry, Owen K.
Item Type: Refine your search to only Patent

Bridle.

Description: Patent for "improved means for detachably connecting blinds to bridles, whereby the bridle may be used with or without the blinds," and also "to provide a combined double box-loop and blind." (Lines 13-17) Includes instructions and illustrations.
Date: October 12, 1897
Creator: Mayes, David H.
Item Type: Refine your search to only Patent

Bullet.

Description: Patent for a new and improved bullet. This design calls for a cavity at the base of the bullet and a tube of flexible material to be inserted snugly into the cavity. This results in less wobbling after the bullet has been fired.
Date: October 12, 1880
Creator: Petmecky, Joseph C.
Item Type: Refine your search to only Patent

Bust-Developer

Description: Patent for a bust developer which is battery operated and attaches cups to the breasts to draw the blood into the breast area and cause them to enlarge.
Date: October 12, 1909
Creator: Eganhouse, John G.
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 a jointed rod which has its lower end fastened to one of the hooks of the coupling and its upper end fastened to a vertically-moving ring that slides upon the brake-rod, whereby the coupling hook can be raised upward and supported in such a position that it will not couple when the cars run together" (lines 14-20).
Date: October 12, 1880
Creator: Haltom, Samuel
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 "hinged jaws, draw-bars provided with a pin-hole . . . the jaws acting to support the pin until forced apart by the link, a hinged lever, a plate pivoted to said lever, said pin being attached to said plate, and an operating chain or rod connected to said plate for raising said pin" (lines 29-36).
Date: October 12, 1886
Creator: Carley, John W.
Item Type: Refine your search to only Patent

Car-Coupling

Description: Patent for "...certain new and useful Improvements in Car-Couplings..." (lines 4-5) including instructions and illustrations.
Date: October 12, 1886
Creator: Mitchell, William A.
Item Type: Refine your search to only Patent

Car-Door

Description: Patent for a car door that has a lock that cooperates with the hangers on the door to cause them to bind the rollers against the track. The car door also provides a locking means for the levers on the door locking means which is "adapted to received the ordinary car seal" (line 22).
Date: October 12, 1915
Creator: Renner, Willie L.
Item Type: Refine your search to only Patent

Combination-Tool.

Description: Patent for "a simple and effective tool designed especially for wire-fence working and combining in a single implement a hatchet, nail-claw, staple-puller, wire kinker or twister, and wire-cutter." (Lines 13-16) Includes instructions and illustrations.
Date: October 12, 1897
Creator: Ponkney, August C.
Item Type: Refine your search to only Patent

Combination-Tool.

Description: Patent for a combination tool that is "adapted without changing any of its parts to operate as a nut and pipe wrench, pliers, hammer, screw-driver, and nail-extractor." (Lines 12-15) Includes instructions and illustrations.
Date: October 12, 1897
Creator: Armstrong, Charles J.
Item Type: Refine your search to only Patent

Curtain Roller

Description: Patent for a curtain roller. The invention is designed to slow the curtains movement so that the curtain can be adjusted. Illustration included.
Date: October 12, 1909
Creator: Tripp, Hamilton
Item Type: Refine your search to only Patent

Double Acting Pump.

Description: Patent for a new and improved pump. This design is "to provide a novel, simple, and efficient double-acting balanced pump of such construction and mode of operation that the power required to operate it is only such as is requisite to lift the quantity of water discharged at each stroke" (lines 8-13).
Date: October 12, 1886
Creator: Ramsey, Haley S.
Item Type: Refine your search to only Patent
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