UNT Libraries Government Documents Department - 619 Matching Results

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Acetylene Gas Generator

Description: Patent for improving acetylene gas generator designs with the use of an added specification in the form of a new apparatus. Illustrations and instructions are included.
Date: September 7, 1897
Creator: Taylor, George

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. illustration included.
Date: March 7, 1911
Creator: Wyatt, William J.

Acetylene-Gas Generator

Description: Patent for an Acetylene gas generator with an improved building method for holding the carbide tank above the generator tank.
Date: January 7, 1908
Creator: Walsh, William J.

Acetylene-Gas Generator

Description: Patent for an improved acetylene-gas generator with a carbid receptacle on top of of the gasometer an an improved automated valve mechanism to assist with gas maintenance.
Date: October 7, 1902
Creator: Loyer, William Joseph

Acetylene-Gas Machine

Description: Patent for a acetylene gas machine that automatically controls the flow of carbid or gas producing material into the generator "by means of a float and lever connection with the valve of the carbid hopper" (lines 19-21).
Date: May 7, 1907
Creator: Ricketts, James R.

Adding-Machine

Description: Patent for "a simple, cheap, and efficient device of this character which may accomplish with facility and case all the purposes for which it is intended" (lines 13-16).
Date: June 7, 1892
Creator: Wright, Joseph W.

Adding-Machine

Description: Patent for an adding machine that is simple and can be manufactured at a small cost.
Date: September 7, 1915
Creator: McCaleb, Walter F.

Adjustable Cultivator-Tooth Seat.

Description: Patent for certain new and useful improvements in adjustable cultivator tooth seats, including instructions and illustrations.
Date: June 7, 1898
Creator: Shofield, James Drummond

Adjustable Light Shade and Reflector.

Description: Patent for a new adjustable light shade and reflector with "a shade and a support therefor so provided with joints that the shade may be given any desired angle of reflection, relative to the light, and its relative distance from the light may be regulated" (lines 13-17), which includes illustrations and instructions.
Date: March 7, 1911
Creator: Spivey, Lillian Hale

Adjustable Tire Mold

Description: Patent for a tire mold that improves the viability of a tire mold due to the adjustable levers used during the tire curing process.
Date: December 7, 1920
Creator: Hibbs, Cassell D.

Aeroplane

Description: Patent for an aeroplane. The invention is designed to vary the curvature of the plane from front to rear and by this means the plane may be so adjusted as to reduce the "head resistance" to a minimum. The invention is also trying to find the suitable means for manipulating the adjustable sections whereby the movable sections. This invention aims to provide a machine that is strong, durable, efficient, and comparatively simple to construct.
Date: September 7, 1915
Creator: McCarroll, Frank

Aeroplane.

Description: Patent for an airplane (or aeroplane) which provides a large number of control surfaces adjustable by the pilot, including a moveable engine.
Date: January 7, 1919
Creator: Millican, Joel Walter

Agricultural Implement

Description: Patent for a novel and improved implement of this general character including a plurality of supporting members provided with ground working elements together with a body positioned upon said supporting members and wherein said said supporting members and body are capable of relative movement transversely of the direction of travel of the implement.
Date: August 7, 1917
Creator: Harris, Joseph A. & Howard, Arthur W.

Air Suction and Force Pump

Description: Patent for improvement in suction and force pumps, a pneumatic lift-and-force pump for raising water from wells.
Date: October 7, 1913
Creator: De Hymel, Franklin O.

Animal Power.

Description: Patent for a new and improved engine. This design has a "tread-wheel on which the animal is placed, and which is provided with a cog-wheel on its under side to mesh with a pinion placed on one end of the crank-shaft, a connecting-rod which is attached at one end to the crank and at the other to a pivoted lever . . . a second connecting-rod which is fastened to the upper end of the pivoted lever . . . a balance-wheel, and the main driving-shaft provided with a number of arms, each one of which c… more
Date: July 7, 1885
Creator: Yarbrough, Ezekel James & Kyker, John Marshal

Ant-Trap.

Description: Patent for an ant-trap using a portable receptacle with three different designs, each can be used as an individual trap or in any combinations to lure ants into the bottom of the receptacle without any means of escaping, including illustration.
Date: August 7, 1860
Creator: Cottingham, G. W. & Menefee, John S.

Apparatus for Protecting Electrical Circuits.

Description: Patent for an apparatus for protecting electrical circuits, and is an improvement on a previous patent (No. 537,932) issued to the inventor. This patent consists of "an electrical circuit, an alarm or indicator, a continuously-operating signal-transmitter at the protected structure operating to affect or influence the alarm or indicator, and a second or duplicate continuously-operating signal-transmitter located at the watchman's station, operating in unison with the first-named signal-transmit… more
Date: January 7, 1896
Creator: Oram, John M.

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.

Attachment for Adding Machine

Description: Patent for new and useful improvements in attachments for adding machines which both add and list the sums accumulated by the adding machine.
Date: January 7, 1919
Creator: Walker, Jack L.

Attachment for Cotton Plows.

Description: Patent for a new and improved plow. This design consists, "with the plow-stock provided with a staple near the lower end of the standard, having an opening formed with a series of parallel sides, and a staple on the beam . . . consisting of a series of bails of the fender-plate rigidly secured to the rod, the lower end of said rod being formed in cross-section of a series of parallel sides, said end adapted to fit and be adjusted in said staple, the upper end of the rod being adapted to be adju… more
Date: January 7, 1890
Creator: Collier, Johnathan T.
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