513 Matching Results

Explore Results

Balanced Pump.

Description: Patent for a new and improved balanced pump. This design "relates to improvements in balanced pumps having two vertical receiving-cylinders provided with vertically-reciprocating plungers, and two vertical delivery-cylinders provided with plunging-barrels, all being provided with suitable valves operating automatically in conjunction therewith; and the objects of [the] invention are, first, to provide a pump by means of which water or other fluids may be conducted or raised with but little prop… more
Date: April 20, 1886
Creator: Ramsey, Haley S.
Partner: UNT Libraries Government Documents Department

Animal-Trap.

Description: Patent for an improved animal trap, primarily intended for catching wolves, that is adjustable and economical to construct.
Date: October 15, 1907
Creator: Jones, Isaac W.
Partner: UNT Libraries Government Documents Department

Cloth Bucket or Vessel.

Description: Patent for a cloth bucket or vessel to place milk or water in to keep it cool when ice is not available. One places the bucket in the shade and the air circulates freely through the bucket. The bucket is thick enough that it will not drip, but is breathable to allow aeration and evaporation.
Date: January 14, 1896
Creator: Slack, Robert A.
Partner: UNT Libraries Government Documents Department

Compound Implement.

Description: Patent for a compound tool for building and repairing fences, which combines a post hole digger and a wire stretcher.
Date: January 21, 1908
Creator: Haynes, James H.
Partner: UNT Libraries Government Documents Department

Ant-Trap.

Description: Patent for a new type of ant trap that captures ants by having them crawl up a wooden central chamber and then fall into a sheer metal pit. Includes illustrations.
Date: December 8, 1891
Creator: Walker, Stephen A.
Partner: UNT Libraries Government Documents Department

Condiment-Holder.

Description: Patent for a salt shaker which has a rod going into the jar, which will agitate the salt to keep it from clogging.
Date: October 26, 1909
Creator: Hitt, Allen
Partner: UNT Libraries Government Documents Department
Back to Top of Screen