UNT Libraries Government Documents Department - 118 Matching Results

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Aerial Projectile

Description: Patent for an aerial projectile for use as an anti-infantry bomb, dropped by planes. Specifically, it is a fragmentation bomb hand dropped from planes that will not only deliver an explosive blast and the subsequent shrapnel, but deliver such a blast as to destroy itself so it cannot be reverse engineered.
Date: September 25, 1918
Creator: Bury, Thomas J. & Bury, Oney
Item Type: Refine your search to only Patent

Alarm Device.

Description: Patent for an alarm device "to be used in connection with a boiler and operatively connected with the steam whistle, whereby when the water falls below a certain level in the boiler the mechanism will automatically operate to blow the whistle" (lines 11-16). Includes instructions and illustrations.
Date: September 15, 1914
Creator: Priester, Joel E.
Item Type: Refine your search to only Patent

Amalgamator.

Description: Patent for a new and improved amalgamator. This design "consists in placing in the bottoms of the chambers a number of iron balls or other suitable-shaped pieces of amalgamated iron, which have sufficient room to move freely among themselves, and then forcing up through the balls or pieces of iron, in contradistinction to forcing it down over their tops, the amalgamated ore and water, so as to cause the pieces of iron to vibrate, and thus to grind and break the pieces of quartz passing up throu… more
Date: September 12, 1882
Creator: Schmidt, Erich Franz & Streernwitz, William Henry
Item Type: Refine your search to only Patent

Apparatus for Making Soap.

Description: Patent for a new and improved soap-making machine. This design "consist[s] of grease and soda tanks, the latter tank having a diaphragm . . . a register-tank, pipes leading from said grease and soda tanks to said register-tank, a pivoted converter, a rotary shaft in said converter and blades, a shaft journaled in uprights attached to said converter and provided with a crank and a bevel wheel, the latter gearing with a bevel-wheel on said rotary shaft in the converter, and removable furnaces for… more
Date: September 20, 1887
Creator: Grant, William A.
Item Type: Refine your search to only Patent

Apparatus for Retailing Shot.

Description: Patent for a new and improved round dispenser. This design "consists in a receptacle or multiple bin the several compartments of which are provided with valves controlling exit-openings, whereby any desired quantity of shot, descending by gravity from the appropriate compartment, may be directed into the scale-pan of a scale without the necessity of lifting the receptacle or bin or any part of its contents" (lines 35-43).
Date: September 21, 1880
Creator: Stokes, Micajah
Item Type: Refine your search to only Patent

Apparatus for Stamping Envelopes

Description: Patent for "a means whereby with one motion a stamp will be supplied from the'apparatus, moistened, and placed in position upon a letter, wrapper, or parcel adapted to receive it, and wherein a number of stamps may be consecutively placed when and as desired" (lines 10-15).
Date: September 24, 1889
Creator: Helland, Hans & Matzow, Frantz
Item Type: Refine your search to only Patent

Book with Removable Cover

Description: Patent for a removable cover for a pass book (a book where a customer's bank deposit account is kept). When a customer's pass book is filled the cover can be removed and refilled with a new pass book.
Date: September 10, 1918
Creator: Malsch, Herman C.
Item Type: Refine your search to only Patent

Brake-Staff.

Description: Patent for a new type of brake staff for trains featuring a modular design allowing its form to be changed as necessary. This is useful for connecting train cars where regular brake staffs may get in the way. Including illustrations.
Date: September 12, 1905
Creator: Clark, James Thomas & Meyer, Henry L.
Item Type: Refine your search to only Patent

Brick Truck

Description: Patent for a truck that is designed to make the transportation of bricks easier as well as the transportation of other materials.
Date: September 22, 1905
Creator: Sacks, Martin Kuno
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for automatic freight car coupler, including illustrations. The coupler "obviates the necessity of any one going between the cars while being coupled" (lines11-13).
Date: September 26, 1882
Creator: Chapman, John Edward Howard
Item Type: Refine your search to only Patent

Casing-Head

Description: Patent for a casing head that is specially adapted for "use in connection with well drilling for letting the tubing down into the bore, and in withdrawing the tubing from the bore." (Lines 15-16), including illustrations.
Date: September 7, 1920
Creator: McGarry, Henry S. & Carr, John D.
Item Type: Refine your search to only Patent

Coffee Pot.

Description: Patent for a new and improved coffee pot. This design consists in "tubes having their upper ends bent downward, a bridge or cross-piece connecting their upper ends, the suspending-rods depending from the bridge, the ring on the lower ends of the suspending-rods, the [other] ring, and the separate strainer held removably between the two said rings" (lines 84-90).
Date: September 21, 1886
Creator: Lawrence, Joseph Martin
Item Type: Refine your search to only Patent

Coin Holder of Package.

Description: Patent for improvements in coin holders or packages by using three metallic strips, A, B, and C; the end of strips A and B are bent at right angles to the body portions of coins of a particular denomination. Strip C is “pivoted at its ends to the ends of the strips A and B at their point of attachment and adapted to be turned upon its pivots, so as to embrace the edges of the coins contained in the holder.” (Lines 85-89) Illustration is included.
Date: September 1, 1891
Creator: Heim, Charles
Item Type: Refine your search to only Patent

Concrete Construction

Description: Patent for improved concrete construction methods for creating buildings made of or with concrete. These improvements include lighter walls with an air space that prevents dampening.
Date: September 12, 1913
Creator: Howard, Frances H.
Item Type: Refine your search to only Patent
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