UNT Libraries Government Documents Department - 235 Matching Results

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Account-Book.

Description: Patent for a new and improved account book that is arranged to improve accuracy of record-keeping and facilitate the referencing of different accounts.
Date: June 13, 1916
Creator: Zimmerman, Charles Levy
Item Type: Refine your search to only Patent

Adjustable and Detachable Bow for Spectacles.

Description: Patent for a temple bow for spectacles which is secured to a lens frame and is adjustable to “accommodate the angle of vision of the wearer” (lines 89-90). The connection joints between the bow and lens frame allows adjustment without bending or twisting the bow, providing a more durable bow and frame.
Date: January 13, 1914
Creator: Blanchard, Edward.
Item Type: Refine your search to only Patent

Air-Brake.

Description: Patent for train air-brakes to provide set brakes and same auxiliary pressure on all cars regardless of the brake cylinder piston travel distance.
Date: January 13, 1914
Creator: Wolf, Gustav B.
Item Type: Refine your search to only Patent

Airship.

Description: Patent for improved airship design involving the containment of gas in an envelop and the passage of gas through multiple compartments with the purpose of facilitating, "steering or repairing of the machine." (line 17) including illustrations.
Date: August 13, 1918
Creator: Rainey, James E. J.
Item Type: Refine your search to only Patent

Automatic Funnel.

Description: Patent for a funnel which automatically seals when liquid in a receptacle reaches a certain level. The spout of the funnel also contains a stopper which can be lifted to permit liquid to pass into the receptacle at the desired time.
Date: June 13, 1911
Creator: Evans, Jesse M.
Item Type: Refine your search to only Patent

Automatic Gate.

Description: Patent for an automatic gate that can be unlatched and opened by a vehicle approaching; and then, closed and latched again after passage of the vehicle. The automatic gate is reliable, not easily deranged, and simple in construction.
Date: June 13, 1911
Creator: Laas, Louis August
Item Type: Refine your search to only Patent

Automatic Water Cut-Off

Description: Patent for improvements to automatic water cut-offs adapted to be useful "in the event of the falling of temperature to freezing or any other predetermined degree of automatically cutting off the flow of the water." (Lines 18-22).
Date: November 13, 1917
Creator: Goodridge Wilson B.
Item Type: Refine your search to only Patent

Bale-Tie Buckle.

Description: Patent for bale-tie buckle improvement for tightly securing single length wire prior to pressure release around a cotton bale. Further bale-tie buckle improvements include sharper bends using flat or oval wire to further decrease slipping of wire.
Date: March 13, 1917
Creator: Frantz, Erza A.
Item Type: Refine your search to only Patent
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