UNT Libraries Government Documents Department - 41 Matching Results

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Jack

Description: Patent for a Jack. This design is operated by fluid pressure for use with driving axles and wheels.
Date: June 30, 1903
Creator: Tuggle, Samuel Ritchie & Doering, Charles William
Item Type: Refine your search to only Patent

Levee.

Description: Patent for reinforced levees with "means whereby the water will be positively prevented from seeping therethrough and weakening the levee" (lines 14-16).
Date: September 30, 1913
Creator: Beazley, John Sr.
Item Type: Refine your search to only Patent

Lubricating Oil Dispenser

Description: Patent for a lubricating oil dispenser designed specifically to dispense lubricants and similar liquids. Dispenser is formed with a transparent container tubes to show the customer the character of the liquid being dispensed.
Date: May 30, 1922
Creator: Fenaes, Alfred R. & Kennedy, William H.
Item Type: Refine your search to only Patent

Pump.

Description: Patent for an improved pump valve designed for a pump for pumping oil from oil wells "which will not be affected by the fluid or gas pressure in the bore" (lines 17-18).
Date: September 30, 1919
Creator: Graf, Sydney H.
Item Type: Refine your search to only Patent

Pump

Description: Patent for a new form of pump developed by Granville A. Humason. This pump is an improvement of prior models, intended to be "adaptable for many different uses, but which will be simple and durable in structure" (lines 14-18).
Date: December 30, 1919
Creator: Humason, Granville A.
Item Type: Refine your search to only Patent

Railway Tie

Description: Patent for a railway tie designed to to provide a metallic tie which is light strong, and durable (line 16-17) illustration included.
Date: June 30, 1903
Creator: Beazley, John
Item Type: Refine your search to only Patent

Ruling Machine

Description: Patent for a new and useful improvements in ruling machines. This invention is to "provide a machine of this character by means of which engravers may cut horizontal, inclined, or circular lines into the plate, or draftsmen draw the same lines upon a sheet of drawing" (line 14-18).
Date: November 30, 1897
Creator: Owen, Thomas
Item Type: Refine your search to only Patent

Tunneling-Machine.

Description: Patent for a tunneling machine that has the ability to easily change course and utilizes a conical shaped shell to receive loose earth and convey it towards the mouth of the tunnel. The invention also has a rotating head connected to the carrying vehicle meaning that the machine is supported and driven forward against the tunnel as it is cut away.
Date: December 30, 1919
Creator: Dana, Frank L.
Item Type: Refine your search to only Patent
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