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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

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.

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

Animal-Trap

Description: Patent for an animal trap with a new kind of trigger fir closing the door to the trap.
Date: December 13, 1910
Creator: Hatchell, Benjamin

Anticreeper for Railway Rails.

Description: Patent for an anti-creeper with improved strength and serviceability "in the location and construction of the tie abutting portion" (lines 28-29).
Date: February 26, 1918
Creator: Weston, William S.

Apparatus for Cleaning Bottoms of Ships.

Description: Patent for apparatus for cleaning the bottom of ships "to provide a simple and practical apparatus for removing barnacles, seaweed, mud, and other adhesions from the sides and bottom of a ship" (line 10).
Date: February 11, 1902
Creator: Culpepper, Robert Smith

Apparatus for Cooking Cotton-Seed Meal.

Description: Patent for an apparatus for cooking cotton-seed meal meant to get the maximum amount of oil for the meal used and puts moisture into dry meal and evaporates excess moisture in meal. Meal is continuously supplied through the machine and water-bath. The steam does not burn or harm the meal.
Date: August 27, 1895
Creator: Dabney, Benjamin & Yopp, William I.

Apparatus for Extracting Minerals from Ores.

Description: Patent for an apparatus that extracts minerals, especially sulfur, from ores. The apparatus features new and useful improvements, creating an automatic extraction that separates the minerals in a pure state.
Date: January 13, 1920
Creator: Shires, George M.

Apparatus For Forcing Fluid From Wells.

Description: Patent for a narrow device to use fluid dynamics to remove certain fluids without loss of others. The apparatus is let down the well until one end is submerged before pressurized with air to seperate fluids and bring oil up to the surface of the well.
Date: February 22, 1921
Creator: Bodungen, Charles G.

Apparatus for Heating up Locomotive-Boilers.

Description: Patent for an "apparatus for kindling fires in locomotives; and it is intended to provide an improved apparatus by which the fires may be rapidly and economically kindled and steam may be gotten up without much of the tedious delay now ordinarily incident to raising steam in a cold locomotive-boiler." (Lines 13-19) Includes instructions and illustrations.
Date: January 21, 1896
Creator: Connor, John T.

Apparatus for Hoisting Liquids from Wells.

Description: Patent for an “apparatus for raising liquid from wells by means of a compressed fluid, such as air or other vapors or gas“ (lines 9-12). The apparatus leaves liquid from the well under normal pressure during hoisting or pumping, and allows for varying amounts of liquid to be extracted.
Date: October 28, 1913
Creator: McCall, Duncan D.

Apparatus for Making Cotton-Bales.

Description: Patent for improvement in apparatus for making cotton-bales from continuous sheets or bats by “employing only a single press and which permits the ginning and bat-forming devices to be operated continuously which accumulated the cotton in light and fleecy condition during the covering and removal of the bales, which feeds the cotton from the accumulator to the baling apparatus whenever this is desired.” (Lines 68-75) Illustration is included.
Date: June 18, 1901
Creator: Anderson, William E.

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.

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

Apparatus for Separating Liquids in Emulsion.

Description: Patent for improved apparatus for separating liquids in emulsion (relates to improved apparatus for separating one liquid from another) when found in emulsion and has especial reference to means for rapidly and effectually dehydrating petroleum oil emulsion.
Date: May 27, 1919
Creator: McKibben, Charles W.

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

Apparatus for the Conversion of Liquids, Fluids, and Oils.

Description: Patent for an apparatus for the conversion of liquids, fluids, and oils. This invention is to use high heat to change the original oils and fluids into oils and fluids of better quality and value.
Date: November 4, 1919
Creator: Adams, Joseph H.

Apparatus for Treating Hydrocarbons.

Description: Patent for an improved apparatus for treating hydrocarbons. This apparatus is for treating comparatively heavy petroleum and other hydrocarbon oils and their distillates and derivatives, in order to produce from such heavy oils a large yield of gasoline or other light, easily volatile liquids. This apparatus will be a safe and efficient way to produce large yield of gasoline and light hydrocarbon liquids from heavy oils and will be free from trouble arising from the accumulation of carbon.
Date: August 5, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.

Apparatus For Treating Petroleum.

Description: Patent for an apparatus that is used to treat petroleum and other heavy hydrocarbons in order to produce gasoline and other liquid fuels.
Date: October 28, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.

Apparatus for Treatment of Oil Emulsions.

Description: Patent for improvements in apparatus for treatment of oil emulsions by providing a means that will greatly assist in the separation of water from oil emulsions and which will aid the re-absorption or retention of gas.
Date: January 13, 1920
Creator: McKibben, Charles W.

Apparatus for Washing and Scrubbing Gas.

Description: Patent for a washer-scrubber that cleans gas from "tarry matter, ammonia, sulphureted hydrogen, carbonic acid and other impurities" (lines 14-16). The machine divides gas into streams, sprays it with washing liquor, spreads it over reticulated and perforated plates.
Date: March 7, 1893
Creator: Fitzgerald, John H.
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