UNT Libraries Government Documents Department - 53 Matching Results

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Airship

Description: Patent for an airship of improved construction, which allows for the operator to change their positions to propel, raise, lower and steer the ship.
Date: November 10, 1914
Creator: John William Oman
Item Type: Refine your search to only Patent

Attachment for Dental Instruments.

Description: Patent for a dental instrument which is to attach to a dental drill handle. Protecting the patient's tongue from being cut by the drill or grinding disk while the patient's lower teeth are being operated on, including illustrations.
Date: November 19, 1918
Creator: Luzzi, August F.
Item Type: Refine your search to only Patent

Bale-Forming Press.

Description: Patent for a new and improved hay bale forming press that compresses hay or other similar material into a bale and secures it with wire or chords that are tied around the bale, including illustrations.
Date: November 2, 1915
Creator: Dudley, Andrew T.
Item Type: Refine your search to only Patent

Blade Holder.

Description: Patent for an improved blade-holder that is simple in construction and can be manufactured at a lower cost. It is designed to "permit of the blades being readily and quickly assembled in the holder and permanently clamped therein to prevent any accidental displacement or movement of the blades from such holder during the stropping." (lines 16-21), including illustrations.
Date: November 6, 1917
Creator: Harriss, Wade H.
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

Burner.

Description: Patent for an inexpensive and efficient burner for oil "with a maximum production of heat." (lines 14-15) including illustrations.
Date: November 18, 1919
Creator: Upton, Arthur L. & Immer, Samuel N.
Item Type: Refine your search to only Patent

Casing-Shoe.

Description: Patent for new and useful Improvements in Casing-Shoes whose object is to "clamp around the tread of a tire casing for the purpose of reinforcing weak places in the casing, for repairing 'blow-outs' and for the purpose of preventing the 'skidding' of the vehicle" (lines 13-17), including illustrations and instructions.
Date: November 13, 1917
Creator: Tuttle, Frank & Hall, Lewis T.
Item Type: Refine your search to only Patent

Drill.

Description: Patent for a drill especially adapted for use in rock and earth formations. The drill has a number of separate cutters that are secured onto a head and detachable, which gives the tool many advantages.
Date: November 4, 1913
Creator: Weathersby, Fred Richard
Item Type: Refine your search to only Patent

Drill-Cutter.

Description: Patent for new and improved drill cutter for rotary boring drills including exact description and illustrations.
Date: November 4, 1919
Creator: Godbold, Louis A. & Fletcher, Harold W.
Item Type: Refine your search to only Patent

Internal-Combustion Engine.

Description: Patent for a new and improved device within internal combustion engines "whereby water is converted into steam, and then delivered into the combustion chamber of an internal combustion engine" (lines 13-16). Includes illustrations.
Date: November 16, 1915
Creator: Harwood, William W.
Item Type: Refine your search to only Patent

Liquid Dispensing Apparatus.

Description: Patent for "certain new and useful Improvements in Liquid Dispensing Apparatus" (lines 5-7) describing new improvements, including instructions and illustrations.
Date: November 28, 1916
Creator: Bradley, Richard C.; Kinnebrew, Lee; Eastham, J. Malley & Ireland, C. Frank
Item Type: Refine your search to only Patent

Load-Indicator.

Description: Patent for a Load-Indicator for tools being used in drilling a well. The indicator gives an accurate measure of the weight upon the drill, allowing operators to adjust the weight accordingly.
Date: November 25, 1919
Creator: Fletcher, Harold W.
Item Type: Refine your search to only Patent
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