UNT Libraries Government Documents Department - 6 Matching Results

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Gearing.

Patent for a speed transmission device that simply and efficiently changes the gears in an automobile especially at fluctuating speeds.

Date: September 13, 1921

Creator: Anderson, Bert

Railroad-Track Crossing.

Patent for a new and useful railroad track crossing, including instructions and illustrations.

Date: February 13, 1900

Creator: Friedsam, Samuel Andras

Patent for a new and improved barrel cart. This design "is to provide an improved barrel rack or truck which can be conveniently and easily loaded and transported from place to place; to provide means for assisting in loading the barrel or receptacle on the truck and for retaining the same on the truck against danger of accidental displacement while the truck and its contents are being moved or transported, and to provide an improved truck which shall be very simple, strong, and durable in cons… more

Date: July 13, 1886

Creator: Williams, William Preston

Means for Securing Corks.

Patent for "an improvement in means for securing corks in bottles, flasks, and jugs" (lines 10-12) including illustrations.

Date: March 13, 1888

Creator: Kincaid, James W.

Sweep for Corn and Cotton Cultivators.

Patent for a new and improved cultivator sweep. This design "compris[es] a long thin blade, having its front end bent downward and rearward, forming a lip adapted to take into the earth . . . [and] the combination of the beam, the standards secured thereto, and the blade having the projections secured to the standards and having the downward and rearward turned lip at its front end" (lines 59-68).

Date: November 13, 1888

Creator: Cowan, Elias

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design "has for its object to provide a device of this character which shall be cheap and simple in its construction and thoroughly effective in its operation. The invention consists in the improved construction and combinations of parts" (lines 10-15).

Date: May 13, 1884

Creator: Smoot, John Devers