UNT Libraries Government Documents Department - 29 Matching Results

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Covering for Meats.

Description: Patent for an aromatic asphaltum and paraffin wrap to preserve, protect from air and moisture, and transport meat that will not become brittle under cold temperatures.
Date: October 18, 1921
Creator: Pletcher, Lyle J.
Item Type: Refine your search to only Patent

Trombone.

Description: Patent, including illustration, for "a musical instrument slide and is more particularly designated as a bearing or stocking for a trombone or other similar instruments in which it is desirable to provide a smooth bearing for the slidable part of the instrument" (page 1, lines 9-13).
Date: February 17, 1920
Creator: Ackley, William D.
Item Type: Refine your search to only Patent

Boiler-Skimmer.

Description: Patent for a boiler-skimmer that improves the hinge joint so that water or scum will have free access there and in all positions of the skimmer.
Date: October 14, 1919
Creator: Phillips, Eugene N. & Dick, Harvey H.
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COUPLING PATENT

Description: This patent is for a new coupling system to connect hollow pipes. It is specifically designed to address issues of vibration, which cause the coupling pin to become damaged.
Date: July 10, 1919
Creator: Hiegel, Joseph L.
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Writing-Machine.

Description: Patent for writing-machine mechanism which prolongs the life of the ribbon and provides "means to rotate the platen step by step at each actuation of one or more of the keys" (line 20).
Date: April 24, 1917
Creator: Edwards, Alrah B. & Russell, Frank K.
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Keyboard for Writing Machines.

Description: Patent for improved keyboards for writing machines "having its keys so arranged that the fingers of the operator may rest upon the keyboard in an easy and natural manner, the keys being so disposed with relation to each other that the fingers of the operator may reach all of them with the least possible strain or exertion" (lines 16-22). This improvement allows the operator to work at maximum speed and efficiency.
Date: April 17, 1917
Creator: Edwards, Alrah B. & Russell, Frank K.
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Bucket Excavator.

Description: Patent for "new and useful Improvement in Bucket Excavators, of which the following is a specification. My invention relates to excavators of that kind in which a bucked is arranged to travel back and forth upon a runway which is lowered into the ground and which is adapted to determine the cross sectional outline of the ditch or excavation" (lines 5-13).
Date: November 30, 1915
Creator: Bettis, William I.
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Broom or Brush

Description: Patent for metal brooms or brushes that are "strong and durable, relatively light in weight, and can be inexpensively manufactured" (line 13-15). It is intended for "sweeping snow, mud, slush, and the like" (line 16-17). The patent can also be applied for smaller version of metal brooms or brushes for other purposes.
Date: March 16, 1915
Creator: Airhart, Noah S.
Item Type: Refine your search to only Patent

Photographic Copying Apparatus

Description: Patent for a simple and effective photographic-copying apparatus capable of making copies of small objects of different sizes. The machine is for general commercial use "that may be successfully operated by persons not particularly skilled in the photographic art" (lines 23-25) including illustrations.
Date: February 2, 1915
Creator: Gregory, Oscar T. & Carkhuff, Norman W.
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Moistening and Sprinkling Attachment for Brooms.

Description: Patent for attachment to brooms which enables the moistening of the broom during use to prevent the spreading of dust. One part regulates the flow of liquid to the broom and another provides a container for the liquid. In effect the attachment to the broom makes it into a convertible mop.
Date: May 23, 1905
Creator: Taylor, James P.
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Oil Burner

Description: Patent for a oil burner. "This invention relates to improvements in that class of burners used for burning hydrocarbon oils or liquid fuel, and while it is more especially intended to be used for heating steam generators or boiler" (8-12) illustrations included.
Date: June 16, 1903
Creator: Wafer, William H.
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Journal-Bearing.

Description: Patent for a journal-bearing that has an open spring ring that contains the journal and antifriciton devices in its center. The spring ring contracts to its minimum circumference when the journal and antifriciton devices are worn out. There is also a bearing-ring seat that allows contractions "without altering the disposition of the load" (lines 61-62).
Date: December 1, 1896
Creator: Woodworth, Charles H.
Item Type: Refine your search to only Patent
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