115 Matching Results

Search Results

Results: 1 - 24 next

Compensating Pump-Spring.

Description: Patent for improvements in compensating pump-springs by “storing up in the downward or idle stroke of the suction-rod, a power which is expended during the upward stroke to assist the crank in lifting the rod; and at the same time reducing the power required to drive the pump, equalizing the resistance, increasing the efficiency and generally prolonging the life of the entire mechanism.” (Lines 36-40) Illustration is included.
Date: April 21, 1891
Creator: Black, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Baling-Press.

Description: Patent for improvements in baling-presses by using a four-sided baling box/chamber with supporting-upright doors arranged at the top, at the front and one of the sides of the box. These doors can be hinged at diagonally-opposite corners of the box; locking-bolts are pivoted at the free end of the each door, the top door with locking-bar sliding through apertures in the uprights and the lever for operating the top door. Illustration is included.
Date: April 21, 1891
Creator: Klockmann, Henry G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Atomizer.

Description: Patent for improvements in atomizers or instruments for distributing powders or liquids in which it provided “provision for closing the exit-passage and preserve the strength of the medicated powders or fluid and permit of the carrying of the same within the body of the device without danger of spilling.” (Lines 17-21) The rubber bulb is detachable and is used as a powder-box or as a bottle for fluid. Illustration is included.
Date: July 21, 1891
Creator: Robinson, Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen