Resource Type
States
8 Matching Results
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Hydraulic Swivel
Patent for a hydraulic swivel to be used with rotary well drilling machines which will carry water to the drill head through a supply line and maintain that supply line in a given position during drilling operation.
Date:
January 26, 1915
Creator:
Decker, Harry R.
System:
The Portal to Texas History
Putty-Trowel
Patent for a putty trowel which will lay a line of putty and trowel it into place to secure glass in a window sash.
Date:
January 26, 1915
Creator:
Morris, James G.
System:
The Portal to Texas History
Envelop.
Patent for an envelope that employs a lock and seal mechanism to increase security of contents. The envelope cannot be opened without tampering or mutilating the envelope.
Date:
January 26, 1915
Creator:
Wallace, Curtis C.
System:
The Portal to Texas History
Drive-Wheel for Traction-Engines
Patent for a drive wheel for traction engines which has retractable wheel lugs. The wheel lugs used for traction on dirt roads can be "pivoted so that they may be withdrawn when not needed," such as when traveling on pavement.
Date:
January 26, 1915
Creator:
Wellensiek, Louis H.
System:
The Portal to Texas History
Self Locking Rail Chair.
Patent for self locking rail chair. This chair can be easily added to older rail lines for passengers' comfort.
Date:
January 26, 1915
Creator:
Liebmann, August G.
System:
The Portal to Texas History
Shipping Unit
Patent for "a shipping unit or carrier for the transportation of merchandise as freight, express, or baggage" (lines 8-10).
Date:
January 26, 1915
Creator:
Terry, James W.
System:
The Portal to Texas History
Buggy-Shafts
Patent "is to provide a construction whereby the shafts and cross beam which connect the same may be held against relative movement" (lines 10-13).
Date:
January 26, 1915
Creator:
McMillan, Newton W.
System:
The Portal to Texas History
Automatic Weighing-Scale.
Patent for a more accurate continuous weighing automatic scale of such bulk materials as grain, cotton seed, etc. with a mechanism for automatical control of both a main and an auxiliary receiver door.
Date:
January 26, 1915
Creator:
Williams, Andrew M.
System:
The Portal to Texas History