UNT Libraries Government Documents Department - 18,569 Matching Results

Search Results

prev Results: 271 - 294 next

Silo

Description: Patent for a silo composed of sections that can be arranged to modify the capacity as needed, including illustrations.
Date: April 21, 1914
Creator: Ames, James W.
Item Type: Refine your search to only Patent

Improvement in Apparatus for Preserving Meat, &c.

Description: Patent for "an improved apparatus for use in fumigating substances used as food; and also for impregnating water with sulphurous-acid gas, for the purpose of preserving such substances by the antiseptic quality of sulphur" (lines 9-14). Includes instructions and illustrations.
Date: January 15, 1878
Creator: Ames, Theodore George
Item Type: Refine your search to only Patent

Fire Alarm System

Description: Patent for a new and improved fire alarm system. This alarm system will allow the room on fire to be identified and alert the fire department that there is a fire in that house. Using a minimum number of wires, for safety, this alarm signals only one bell no mater the room on fire.There is also a self test feature within this system.
Date: January 21, 1915
Creator: Ammons, John B.
Item Type: Refine your search to only Patent

Fire-Alarm System.

Description: Patent for "an alarm system consisting of an electric circuit within which as thermally operated circuit closer was placed, which was adapted to sound an alarm when the circuit closer had been closed by an operation of the thermal elements of the circuit closer." (lines 78-84) including instructions and illustrations.
Date: March 16, 1915
Creator: Ammons, John B.
Item Type: Refine your search to only Patent

Automatic Fire-Alarm System.

Description: Patent for an automatic fire alarm system with a simple arrangement of alarm devices (positioned throughout different rooms) with sound or visual indicators for fire awareness and closer thermal circuits (assisted with spring contact and circuit closer). The automatic fire alarm system will have a more immediate reaction by making an alert noise or visual and propping open the spring contact.
Date: March 16, 1915
Creator: Ammons, John Burck; Ammons, Evander & McGaffey, Otis
Item Type: Refine your search to only Patent

Peanut Digger.

Description: Patent for new and useful improvements to a machine for harvesting or digging peanuts, including instructions and illustrations.
Date: May 15, 1917
Creator: Amos, Thomas E. & Abernathy, George J.
Item Type: Refine your search to only Patent

Heater for Gaseous Fluids.

Description: Patent for "an attachment for use in connection with internal combustion engines whereby heavy oil...may be advantageously used as fuel" (lines 9-12) including instructions and illustrations.
Date: March 16, 1915
Creator: Anderau, Joseph Engelbert
Item Type: Refine your search to only Patent

Washing-Machine.

Description: Patent for an improved washing machine "in which is employed a rotary agitator or dasher with blades, and it has for its objects among others to provide an improved construction whereby better results are attained, the construction simplified and made cheaper, less liable to become inoperative or injured and easier to operate" (lines 16-22). It has a cover with a hinged lid.
Date: April 4, 1893
Creator: Anderson, Albert Grant
Item Type: Refine your search to only Patent

Ink-Bottle.

Description: Patent for improvements in in bottles: "it consists, essentially, of a hexagonal or analogous polygonal shaped body having dip cups arranged adjacent to one and thereof at such angles as to regulate the flow by turning the body and bringing it to bear on different bases." (lines 12-17).
Date: October 19, 1897
Creator: Anderson, Alexander C.
Item Type: Refine your search to only Patent

Baling-Press.

Description: Patent for a baling-press meant to bale cotton. In this machine, "the power as applied to the plunger is increased in proportion to the resistance offered by the material being baled and whereby the forward movement of the plunger is automatically checked at the limit of its path and is returned to its initial positioin without effort upon the part of the operator" (lines 10-17).
Date: January 5, 1897
Creator: Anderson, Alva E.
Item Type: Refine your search to only Patent

Baling-Press.

Description: Patent for a baling-press for cotton and uses a compression chamber and a head or compressor block to compress the cotton. The invention is more effective and more expeditious than other baling-presses.
Date: June 5, 1894
Creator: Anderson, Alva E.
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for an inexpensive, simple, and efficient improved twin-jaw coupling that couples automatically and easily uncouples. Operators do not need to go between cars to uncouple the cars. "A further object of the invention is in the operation of uncoupling to open the knuckle after releasing the same in order to have the knuckle in position predatory to coupling" (lines 16-19).
Date: September 26, 1893
Creator: Anderson, Anders Peder
Item Type: Refine your search to only Patent

Geometrical Instrument

Description: Patent for a geometrical instrument. This instrument is used to create a straight edge with pivoted blades, like a protractor, to be used for laying protracted angles, etc.
Date: March 26, 1918
Creator: Anderson, Andrew E.
Item Type: Refine your search to only Patent

Tape-Measure.

Description: Patent for a tape measure with a claw on one end that the user can affix to a surface to hold one end of the measuring tape and aid in the measuring process.
Date: December 4, 1917
Creator: Anderson, Andrew E.
Item Type: Refine your search to only Patent

Lumber-Kiln

Description: Patent for a "kiln proper . . . constructed with special reference to combustion of cinders or sparks, and thereby preventing their escape into the chamber containing the lumber" (lines 7-10)
Date: February 25, 1890
Creator: Anderson, Andrew T.
Item Type: Refine your search to only Patent

Field Thrashing-Machine.

Description: Patent for a field thrashing-machine that can be carried into a field and harvests the tops of standing grain as it is carried forward. The machine also thrashes the grain, separates the grain from the chaff, and delivers the grain in a receptacle.
Date: December 18, 1894
Creator: Anderson, Axel
Item Type: Refine your search to only Patent

Gearing.

Description: Patent for a speed transmission device that simply and efficiently changes the gears in an automobile especially at fluctuating speeds.
Date: September 13, 1921
Creator: Anderson, Bert
Item Type: Refine your search to only Patent
Back to Top of Screen