11 Matching Results

Search Results

Results: 1 - 11

Core-Drill.

Description: Patent for a core drill for making bore holes in rocks to get out solid samples of the inside of rocks, which has an improved grabbing method for retrieving the piece of rock inside the hole.
Date: August 3, 1909
Creator: McLoughlin, Malacha J. & Wynn, John S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Life-Preserver.

Description: Patent for life preserver worn on the human body and inflated with a valve attached to rubber tubes. Includes illustration.
Date: July 30, 1901
Creator: Graham, George
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a pump. This patent claims improvements in the design of pumps used for oil or water.
Date: March 6, 1906
Creator: Nevins, Ennis M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mining Sulfur.

Description: Patent for extracting sulfur that is being mined from the stratum that has the minerals. A fluid medium, such as air or a heated liquid, is forced into the stratum which assists with the elevation of the liquid mineral. As the minerals come up the heated tubes, the liquefied minerals are sent into vats.
Date: September 8, 1903
Creator: Higgins, Pattillo
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nut-Lock.

Description: Patent for a nut-lock that holds the nut more securely in place than previous ones. Used primarily in railroad joints, but can be used in a variety of other applications.
Date: February 19, 1907
Creator: Baldwin, John H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electrically-Actuated Sawmill Set-Works

Description: Patent for an electrically-actuated sawmill set-works that regulates movement of the clutch-stop and set-shaft, which determines the extent of knee-movement including illustrations.
Date: October 16, 1900
Creator: Carroll, William M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Street-Cleaner.

Description: Patent for a connection with the suction-head portion of pneumatic street sweepers that provides a dust or dirt disturbing element in the form of a brush or broom.
Date: December 26, 1905
Creator: Duke, Holmes
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Shear-Sharpener.

Description: Patent for an improved shear sharpener which has a "new and novel construction by which shears are quickly and properly sharpened, ... whereby a shear is held at the proper bevel while being moved over an oilstone or the like" (lines 12-16), including illustrations.
Date: April 3, 1906
Creator: Jeffrey, James C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Journal-Bearing

Description: Patent for a self-lubricating journal bearing that is protected from foreign matter. Illustrations included.
Date: April 13, 1909
Creator: Lanaux, Alfred A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen