1,035 Matching Results

Search Results

Wrench.

Description: Patent for a wrench whose jaws can be adjusted quickly by pressing a handle on the wrench with the thumb.
Date: July 27, 1909
Creator: Ferguson, Rufus Andrew
Partner: UNT Libraries Government Documents Department

Windmill

Description: Patent for a windmill that changes directions with the wind automatically and provides more power to the pump.
Date: July 23, 1912
Creator: Romans, John W.
Partner: UNT Libraries Government Documents Department

Improvement in Steam-Engines.

Description: Patent related to "improvements in steam-engines. The object...is to devise means whereby the valves may be actuated automatically without the employment of exterior mechanisms by the use of exhaust-steam" (lines 17-22). Includes instructions and illustration.
Date: July 1, 1879
Creator: Garlock, William H. & Cooke, Richard
Partner: UNT Libraries Government Documents Department

Improvement in Masks for Horses and Cattle.

Description: Patent for a slitted leather mask for animals to be used for horses, cattle, etc. to deter the jumping of fences. Patent for "mask, covering the eyes of the animal, leaves him with a sufficiently free vision, and being thoroughly ventilated, will not injure his eyes".
Date: July 10, 1877
Creator: Trueblood, Albert H
Partner: UNT Libraries Government Documents Department

Swab Holder

Description: Patent for improvements in swab-holders consisting of a sectional box or cup containing fibrous material to apply a lubricating oil for the piston-rod to reduce friction and wear on the rod.
Date: July 10, 1906
Creator: Bruce. J.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Improvement in Pumps.

Description: Patent relating to "improvements in double-acting pumps. The object is to devise a pump...[so] as to allow the admission of water at one end of and its discharge at the other" (lines 16-24). Includes instructions and illustration.
Date: July 1, 1879
Creator: Garlock, William H. & Cooke, Richard
Partner: UNT Libraries Government Documents Department

Cradle.

Description: Patent for a new and improved cradle. This design "has for its object to provide a hanging cradle suspended from its [frame] . . . being arranged in such a manner whereby the cradle is capable of being moved . . . in an easy, uniform, and steady motion without the danger of tilting over" (lines 8-16). It consists in "[a] swinging cradle comprising the folding end bars, the cross-bar having a depressed portion and end projections forming the pivotal axes for the bars, the catches pivoted to the … more
Date: July 5, 1892
Creator: Meek, James H.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen