1,848 Matching Results

Search Results

Results: 1 - 24 next

Improvement in Seed-Planters.

Description: Patent for the improvement of seed planters using a gage-wheel "to regulate the depth of the furrow made by the plow" (lines 16-17), including illustration.
Date: December 28, 1858
Creator: Marshall, Frank M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Scrapers.

Description: Patent for improvement in cotton-scrapers by using the combination of horizontal bars, cams, and a beam which consist of ploughs to construct the cotton-scraper; when the “cams revolve and give a lateral and forward motion to the horizontal bars, the beam and the ploughs. As it works backward and forward, the ploughs each describe a zigzag line which cross and leave a hill in diamond-shape undisturbed.” (Lines 21-24) Illustration is included.
Date: April 28, 1868
Creator: Kidd, I. J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Cultivators.

Description: Patent for improvement in cultivators by using adjustable screw-rods from the ends of short laterally-vibrating levers to suspend the cultivator-beams in the front; the levers are arranged to be operated by an attendant’s feet. Illustration is included.
Date: September 28, 1869
Creator: Hall, Thomas J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for improvement in plows: "The invention consists in so attaching a revolving disk, cutter, or colter to the beam of the plow that it will rotate on its own axis, and vibrate laterally, to accommodate itself to the line of draft or direction of the beam of the plow; also, in the means used by which the revolving cutter or colter is attached to the beam of the plow, and having the means of swiveling or turning in the beam to accommodate itself to the line of draft of the plow" (lines 22-3… more
Date: December 28, 1869
Creator: Hall, Thomas J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boiler Washing Machine.

Description: Patent for "Improved Washing Machine" in combination with a boiler, "and with a furnace on which the boiler rests".
Date: June 28, 1870
Creator: Cottingham, Gideon W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Processes for Destroying Ants.

Description: Patent for a method of destroying ants by digging a pit beside a colony, filling the hole with combustible materials and poisons, placing a pipe through the hole and into the mound, and then setting the pit ablaze.
Date: October 28, 1873
Creator: Dulany, John J. & Dreyer, Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Flat-Iron Heaters.

Description: Patent for a device which rapidly heats a flat or smoothing iron utilizing a lamp with multiple burners which can be adjusted to raise the temperature of the flat iron to the desired degree.
Date: July 28, 1874
Creator: Wilmot, Byron
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for a new and improved turn-plow which "consists in several features of improvement, by which the preparation and tillage of soil may be done at less the usual expense, and more than the usual convenience to the farmer." (lines 13-18) including instructions and illustrations.
Date: July 28, 1874
Creator: White, Moses F. & Blankenship, Augustus J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Locomotive Earth-Excavators.

Description: Patent for "an earth-excavator, principally for use in making the road-beds for railroads, which shall not only do its work continuously, but which shall be equally efficient in throwing up an embankment or in making a deep cut." (Lines 8-12) Includes instructions and illustrations.
Date: December 28, 1875
Creator: Hawley, Abel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen