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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
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. illustration included.
Date: March 7, 1911
Creator: Wyatt, William J.
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

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 carries a planet-wheel for the purpose of moving around a fixed wheel" (lines 15-29).
Date: July 7, 1885
Creator: Yarbrough, Ezekel James & Kyker, John Marshal
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Apparatus For Bleaching Lard Compounds

Description: Patent for an apparatus for bleaching lard compounds. Illustration included.
Date: November 7, 1905
Creator: Humphreys, Jerome N.
Partner: UNT Libraries Government Documents Department

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-transmitter to affect the alarm or indicator equally and oppositely as regards the first-named transmitter, whereby a signal is sounded or an alarm given only when the two transmitters are out of unison or when one is changed, varied, or interfered with in an unauthorized manner" (lines 72-86).
Date: January 7, 1896
Creator: Oram, John M.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Attachment for Band-Saws

Description: Patent for an attachment for band-saws.
Date: April 7, 1903
Creator: Catudal, James
Partner: UNT Libraries Government Documents Department

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 adjusted in any one of the bails of the staple" (lines 7-18).
Date: January 7, 1890
Creator: Collier, Johnathan T.
Partner: UNT Libraries Government Documents Department

Attachment For Cultivators

Description: Patent for an attachment for cultivators. Illustration included.
Date: March 7, 1905
Creator: Burks, Edwin H.
Partner: UNT Libraries Government Documents Department

Attachment for Diaphragm Face Plates

Description: Patent for an attachment for diaphragm face plates. Illustration included.
Date: March 7, 1911
Creator: Labadie, Victor
Partner: UNT Libraries Government Documents Department

Attachment for Seed Planters

Description: Patent for "improvements in attachments for seed-planters" (lines 5-6) where seeds will not be unevenly planted including illustrations.
Date: July 7, 1914
Creator: Hooks, Jesse J.
Partner: UNT Libraries Government Documents Department

Automatic Car Uncoupler.

Description: Patent for a new and improved car uncoupler. This design consists in "[t]he combination, with a coupling adapted to hold two cars together, of an uncoupler comprising a lever pivotally connected to the car, a weight supported on the car and connected to said lever, and a connection between the weight-operated lever and the coupling for operating it, to separate the cars upon the dropping of the weight" (lines 4-11).
Date: June 7, 1887
Creator: Flett, John Henry
Partner: UNT Libraries Government Documents Department

Automatic Electric Alarm.

Description: Patent for an inexpensive, simple, and durable automatic electric alarm that allows people in house or hotel rooms, mines, ships, shops, etc. to signal for another person. The alarm is wired to a clock so it can be programmed to go off at a certain time.
Date: January 7, 1896
Creator: Stansel, Thomas J.
Partner: UNT Libraries Government Documents Department

Automatic Electric Alarm.

Description: Patent for an automatic electric alarm meant to be hooked up to an automatic dry-pipe sprinkler system, and protects against fire. The alarm goes off when the air in the sprinkler pipes falls below a predetermined level. This invention also signals an alert when there is a leak in the pipes, and is an improvement on the circuit-wires for similar alarms.
Date: January 7, 1896
Creator: Williams, George Bayley
Partner: UNT Libraries Government Documents Department