UNT Libraries Government Documents Department - 513 Matching Results

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Aeroplane

Description: Patent for an aeroplane. This invention does not use any mechanism to maintain the planes equilibrium. Illustration included.
Date: November 5, 1912
Creator: Goebel, Alois
Item Type: Refine your search to only Patent

Pumping-Head.

Description: Patent for a pumping head involving two piston rods that are rigid and, if broken, can be replaced without harming the rest of the machine. The patent includes instructions and illustrations.
Date: November 17, 1914
Creator: Boicourt, John L.
Item Type: Refine your search to only Patent

Process of Electrical Separation

Description: Patent for a new Process of Electrical Separation. The process relates to "electrostatic separation, and particularly to the charging of particles electrically to affect their different capacities of receiving such charge." (Line 12-15)
Date: November 10, 1914
Creator: Sutton, Henry M. & Steele, Walter L.
Item Type: Refine your search to only Patent

Spring

Description: Patent for a spring "wherein all of the parts are removably connected to each other so as to be convenient and inexpensive to repair." (Line 11-14)
Date: November 3, 1914
Creator: Avera, Lawrence A.
Item Type: Refine your search to only Patent

Nutcracker.

Description: Patent for a nutcracker that can crack all kinds of nuts, with relatively little force, on appropriate surfaces like tables. The Patent includes instructions and illustrations.
Date: November 17, 1914
Creator: Fort, Foster W.
Item Type: Refine your search to only Patent

Animal-Poke

Description: Patent for an animal poke that will go over the head of a horse, cow, or related animal, preventing it from getting under, over, or through fences, slacking bent wires, or prevent it from otherwise damaging or mutilating fences of all kinds.
Date: November 28, 1916
Creator: Williams, Osker
Item Type: Refine your search to only Patent

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

Route-Indicator.

Description: Patent for an improved route indicator for automobiles "which not only visually indicates the characteristics and risks of the road" but in addition provides an "auditory signal to call attention to approaching hazards or dangers" (lines 36-41). Illustrations included.
Date: November 13, 1917
Creator: Cranmer, Howard
Item Type: Refine your search to only Patent

Blow-Out Guard

Description: Patent for a blow-out guard for double tube tires. It is meant to a barrier "interposed between the inner and outer tubes of a pneumatic tire, to reinforce an apertured or weakened place...preventing the inner tube from 'blowing out' at such a point." (Line 11-16)
Date: November 3, 1914
Creator: Holloman, Alfred A.
Item Type: Refine your search to only Patent
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