UNT Libraries Government Documents Department - 177 Matching Results

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Open Link.

Description: Patent for a new and improved carabiner ("open link"). This design adds a lip to the hinge to enable easier intentional opening and to discourage unintentional opening from striking against a foreign body.
Date: December 14, 1880
Creator: Sanders, John Daniel

Piano-Hammer.

Description: Patent for a piano hammer, which has a strip of striking material that can be moved over to a new section when one section wears out, to increase the life of the hammer.
Date: May 24, 1910
Creator: Young, Henry E.

Picture Case for Tombstones.

Description: Patent for a new and improved picture frame for tombstones. This design, "it will be seen . . . is cheap and strong, and will perfectly protect the picture or memento, and that when in place in the tombstone its outer surface will stand flush with the outer surface of the stone, and by securing the case or frame in the stone by means of the metal or cement cast around the case, it will be seen that the case cannot be removed from the stone without breaking the stone, so that there will be no da… more
Date: May 6, 1884
Creator: Holloman, Harvey Allen & Green, William Robert

Plow.

Description: Patent for a new and improved plow. This design "relates to mold-boards for plows; and it has for its object to provide a combined wooden and metallic mold-board which shall possess superior advantages in point of simplicity, durability, and general efficiency" (lines 9-14).
Date: May 24, 1892
Creator: Jackson, Luther C.

Poultry-Feeder.

Description: Patent for a poultry feeder machine that automatically releases feed when a chicken pecks at the bait suspended from a lever. It helps prevent wasting the feed, including illustrations.
Date: August 15, 1916
Creator: Seamans, John D.

Pump.

Description: Patent for certain new and useful improvements in pumps, including instructions and illustrations.
Date: May 9, 1899
Creator: Gardner, Felix G.

Quilting Frame for Sewing Machines.

Description: Patent for a new and improved quilting-frame for sewing machines. This design consists, "with the track and the carriage consisting of the U-shaped bail formed from a single piece of metal, having the ends bifurcated and provided with grooved wheels" (lines 97-100). It also consists "of the screw-threaded rod having a head at its lower end, passing through an aperture in the bail, the burr or nut consisting of the interiorly-sccrew-threaded collar, with which said rod engages, the beam having a… more
Date: July 26, 1892
Creator: Moore, George McNair & Steen, George W.

Rail-Bond.

Description: Patent for a rail bond that allows an electric current to travel through the rails.
Date: March 14, 1911
Creator: Humason, Granville A. & Odell, Edward F.

Rail-Joint

Description: Patent for an improvement in rail joints, including illustrations.
Date: December 6, 1887
Creator: Ferguson, George Jones

Rail-Joint.

Description: Patent for rail joints that reduce "wear and tear on the wheels of rolling stock" (lines 12-13) and are more securely fastened than conventional rail-joints.
Date: February 5, 1907
Creator: Mertins, John L.

Railroad-Frog.

Description: Patent for a "reversible or invertible" (line 13) railroad frog, which exhibits improved longevity and durability as compared to other railroad frogs. This patent contains illustrations.
Date: November 27, 1917
Creator: Reed, General B. & Morgan, James H.

Railroad Nut-Wrench.

Description: Patent for a wrench that is used to fix railroad tracks, including instructions and illustrations.
Date: March 2, 1886
Creator: Forbes, Alston J.

Railway- Rail Joint.

Description: Patent for certain new and useful improvements in railway-rail Joints.
Date: March 15, 1898
Creator: Mauldin, Doctor Chester

Recording Door-Lock

Description: Patent for "a continuous-recording lock suitable for bonded warehouses, factories, stores, public buildings, offices &c., and by a slight modification applicable, also, for private residences" (lines 7-11).
Date: January 1, 1889
Creator: Ferguson, George J.

Register for Odometers.

Description: Patent for improvements in odometers for harvesting machines. The harvester can then calculate the amount to charge for harvesting.
Date: September 4, 1894
Creator: Shields, Augustus O.

Riveting-Machine.

Description: Patent for improvements on a riveting machine that includes a moveable anvil and a clenching hammer and also increases strength, durability, and efficiency of the machine.
Date: May 15, 1917
Creator: Norris, Henry O.

Riveting-Machine.

Description: Patent for an improved riveting-machine meant to rivet "metal binding and protecting strips, or fastening clasps" (lines 12-13) in the production of item carriers and used to "secure one or more mental binding strips of any desired shape in place" (lines 18-20) upon certain materials, including illustrations.
Date: April 11, 1916
Creator: Porter, Burr E. & Norris, Henry O.

Rotary Engine

Description: Patent for rotary engine. This invention "is to provide means whereby the steam supply from the boiler can be controlled. Illustration included.
Date: September 13, 1910
Creator: Frazer, Terry H. & Vanlandingham, William W.

Rule Gage.

Description: Patent for a new and improved rule-gage. This design "relates to improvements in gages for carpenter's rules; and it consists of a gage formed of sheet metal adapted to be detachably applied to an ordinary two-foot rule to convert it instantly into a gage-rule" (lines 7-11).
Date: May 27, 1890
Creator: Dickins, Sam

Sash Fastener.

Description: Patent for a new and improved sash fastener. This design consists, "with the sliding latch provided with a handle, of a pivoted stop having a portion to engage said handle and a cam portion at its pivot end and an elongated hole in which the pivot works" (lines 18-22).
Date: July 5, 1892
Creator: Bomar, Thomas B.

Sash-Holder.

Description: Patent for a new and useful improvement in sash holders, including instructions and illustrations.
Date: September 19, 1899
Creator: Morrow, Scott A. & Halcom, Jarret Conklin

Seed Planter.

Description: Patent for a new and improved seed planter. This design "entirely do[es] away with the use of belts in the operation of the two dropping-cylinders, so that there will be no slipping of the belts upon the pulleys, and thus caus[ing] the seed[s] to be planted at different distances apart" (lines 22-27).
Date: August 24, 1880
Creator: Ward, Michael

Seeder.

Description: Patent for a new and improved seed-planter. This design "consists in the combination of the seed-hopper, the reciprocating seed-slide, and a sieve or screen suspended from the seed-slide and reciprocating therewith for sowing the seeds broadcast" (lines 10-14).
Date: February 9, 1886
Creator: Lovin, William Milton

Self-Soaping Washboard.

Description: Patent for self-soaping washboards to reduce the amount of soap wasted.
Date: April 13, 1915
Creator: Kennedy, William J.
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