UNT Libraries Government Documents Department - 12 Matching Results

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Hydraulic Pump.

Description: Patent for a pump that operates "a pump-rod designed especially to dispense with valves, valve-cages, or other impedimenta to the flow of liquid" (lines 40-44). It is capable of pumping liquids to elevated heights.
Date: December 15, 1896
Creator: Clarkson, William
Item Type: Refine your search to only Patent

Hydraulic Pump

Description: Patent for a hydraulic pump with "means for automatically supplying water to the pressure-pipe while the pump is working to replenish waste or leakage." (Lines 18-20) Includes instructions or illustrations.
Date: December 15, 1896
Creator: Clarkson, William
Item Type: Refine your search to only Patent

Pump.

Description: Patent for a pump "whereby the pressure exerted upon the liquid in the pressure-pipe is alternately high and low, the high pressure being utilized to elevate the pump-rod, giving a rapid upstroke, and the low pressure to lower said rod gradually and insure a return flow of the liquid in the pressure-pipe." (Lines 26-33) Includes instructions and illustrations.
Date: December 15, 1896
Creator: Clarkson, William
Item Type: Refine your search to only Patent

Bearing.

Description: Patent for invention of a bearing which has adjustable bearing for shafting. Also this invention wide range of position changes in shaft.
Date: August 15, 1916
Creator: Dickerson, Eustice. E.
Item Type: Refine your search to only Patent

Swinging Chair.

Description: Patent for improvements in swinging chairs for children, "which will render the chair automatic in operation or require but little exertion from the child occupying it, there being little or no danger of the child falling out while the chair is swinging," (lines 14-18) including instructions and illustrations.
Date: December 15, 1891
Creator: Eller, Julius M.
Item Type: Refine your search to only Patent

Incubator Regulator.

Description: Patent for an incubator with an automatic regulator for the flame of an incubator or heating lamp. The invention also provides an improved regulator arranged to raise or lower the wick of an incubator lamp in accordance with the heat in the incubator itself.
Date: January 15, 1918
Creator: Harris, Luster. F. & Williams, Walter. L.
Item Type: Refine your search to only Patent

Churn.

Description: Patent for an automatic churn, which is an improvement to a previous churn, no. 39,532. It has a two-part cabinet, the top part equipped with a hinged top, a crank shaft, ratchet-wheel, spring pawl, and a tubular square pocket at the end of the crank-shaft. The square pocket is where one can attach a handle to operate the churn. The lower half of the cabinet opens on the side and contains the container, dasher-rod, and churn-dashers.
Date: September 15, 1896
Creator: Roberts, John A. & Vermillion, William E. C.
Item Type: Refine your search to only Patent
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