30 Matching Results

Search Results

Results: 1 - 24 next

Window Sash.

Description: Patent for an improvement on window sashes allowing for easily removable window panes. Includes illustrations.
Date: March 17, 1903
Creator: Beazley, John
Partner: UNT Libraries Government Documents Department

Well-Packer.

Description: Patent for an improved well drilling device called a "packer", in which this version has a reduced likelihood of the seals between separate parts being damaged and needing replacement.
Date: April 13, 1920
Creator: Fletcher, Harold W.
Partner: UNT Libraries Government Documents Department

Water-Heater

Description: Patent for a water heater which operates by connecting to the smoke stack of a furnace. Illustrations included.
Date: December 29, 1908
Creator: Miles, Joseph Furnas
Partner: UNT Libraries Government Documents Department

Water-Heater

Description: Patent for a water heater operated by heating pipes and coils. Illustrations included.
Date: December 29, 1908
Creator: Wood, Charles A.
Partner: UNT Libraries Government Documents Department

Improvement in Fence.

Description: Patent for a new fence design that "can be adapted to any desired length, width, or height" (lines 14-15). The patent includes illustrations and instructions.
Date: February 15, 1870
Creator: Kerr, James
Partner: UNT Libraries Government Documents Department

Threshold

Description: Patent for an improved threshold to fit the bottom of a door more properly to "prevent the entrance of dust, wind, and rain" (lines 16-17).
Date: May 11, 1915
Creator: Krause, Ernest
Partner: UNT Libraries Government Documents Department

Gravel Conveyor and Roller

Description: Patent for gravel, sand, or rubble conveyor to use in grading, repairing, and surfacing roads.
Date: November 28, 1916
Creator: Whitfield, William
Partner: UNT Libraries Government Documents Department

Square

Description: Patent for a simple, accurate try-square composed of minimal pieces for the ease of use in measuring and tracing requirements needed for architects, carpenters, and similar professions, with illustrations and instructions.
Date: June 4, 1918
Creator: Frazier, Samuel D.
Partner: UNT Libraries Government Documents Department

Improvement in Machines for Polishing Marble, &c.

Description: Patent for an improved machine that rubs and polishes marble using a sand and water box moving forward and backward to polish the stone without man power and tools, including illustration.
Date: March 20, 1860
Creator: Emmett, William
Partner: UNT Libraries Government Documents Department

Post Hole Digger

Description: Patent for machine that digs holes for posts for construction.
Date: January 30, 1917
Creator: Holsomback, Lee N.
Partner: UNT Libraries Government Documents Department

Elevated Drafting Rule

Description: Patent for instrument used in drafting and ruling straight lines.
Date: January 30, 1917
Creator: Anderson, Andrew E.
Partner: UNT Libraries Government Documents Department

Gate

Description: Patent for special operating mechanism for opening and closing a gate by use of a lever that will cause the gate to swing open and closed.
Date: May 29, 1906
Creator: Fears, John
Partner: UNT Libraries Government Documents Department

Screen-Door Hinge

Description: Patent for a screen door hinge for both half or full length screens. Illustrations included.
Date: February 18, 1913
Creator: McFarland, Frank H.
Partner: UNT Libraries Government Documents Department

Sash Balance.

Description: Patent for an improved window sash balance, including instructions and illustrations.
Date: September 8, 1914
Creator: Jones, John T.
Partner: UNT Libraries Government Documents Department

Road Grader

Description: Patent for road grader, that applies additional support to the frame.
Date: January 30, 1917
Creator: Hawley, Royal A.
Partner: UNT Libraries Government Documents Department

Patent for Drill.

Description: Patent for a multi-purpose drill.
Date: November 28, 1916
Creator: Weathersby, Fred R.
Partner: UNT Libraries Government Documents Department

Steel Form for Laying Concrete

Description: Patent for metal forms used in the laying of concrete for construction of sidewalks, curbs, or gutters.
Date: October 24, 1916
Creator: Cramer, Walter H.
Partner: UNT Libraries Government Documents Department

Pipe-Clamp.

Description: Patent for improved pipe grips, to be used for vises and similar gripping devices, with illustrations and explanations.
Date: August 6, 1918
Creator: Ponton, B. D.
Partner: UNT Libraries Government Documents Department

Mold for Forming Walls and Floors

Description: Patent for mold to create walls and floors. This mold creates walls and floors that are air and sound proof.
Date: October 21, 1919
Creator: Murdock, Walter Scott
Partner: UNT Libraries Government Documents Department

Match-Safe

Description: Patent for a match safe which can contain many matches at once, but only one at a time may be withdrawn. Illustrations included.
Date: September 1, 1908
Creator: Swenson, Frank Oscar
Partner: UNT Libraries Government Documents Department

Gate

Description: Patent for an improved gate design.
Date: November 18, 1919
Creator: Jenson, J. S.
Partner: UNT Libraries Government Documents Department

Elevator

Description: Patent for an elevator which locks itself should the hoisting cable break. Illustrations included.
Date: April 18, 1911
Creator: Ballard, Silas
Partner: UNT Libraries Government Documents Department

Door Catch

Description: Patent for a new door catch design with an improvement to its locking system for the purpose of reducing injuries caused by the slamming of doors.
Date: April 29, 1919
Creator: Hughes, Stanley R.
Partner: UNT Libraries Government Documents Department

Sash-Lock.

Description: Patent for sash-lock. This device is designed for locking a window sash at any given position. It may be applied to a window frame without damaging the frame or sash.
Date: August 25, 1903
Creator: Clements, John H.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen