UNT Libraries Government Documents Department - 622 Matching Results

Search Results

Results: 1 - 24 next

Folding Umbrella.

Description: Patent for an improved folding umbrella consisting of folding ribs and braces. Additionally, the staff of the umbrella is separable so that the staff can be shortened when the umbrella is closed.
Date: June 10, 1913
Creator: Allen, George W.
Item Type: Refine your search to only Patent

Heater and Muffler

Description: Patent for improvements upon the heater and muffler from the previous patent, No. 1173403. Improvments include a systemof choking the expelled gases as they are directed towards the exhaust, and maximizing the heat value.
Date: October 10, 1916
Creator: Anderson, Joseph L.
Item Type: Refine your search to only Patent

Elevated Railway.

Description: Patent for improvements in elevated railways: "provide simple means for regulating and adjusting the weight of the car so as to throw the preponderence thereof upon either the upper or the lower track or to equally divide the weight so that each track bear a like proportion" (lines 12-17).
Date: April 10, 1894
Creator: Anderson, Lee
Item Type: Refine your search to only Patent

Vehicle-Wheel.

Description: Patent for a vehicle wheel that "embodies a flexible tread and radially arranged springs for absorbing shocks and cushioning the yielding of the parts of said tread." (lines 10-13).
Date: July 10, 1917
Creator: Anderson, Lycurgus
Item Type: Refine your search to only Patent

Spark-Arrester

Description: Patent for an improved and simplified spark arrester, which deflects sparks and other products of combustion back into the furnace or into a designated receptacle.
Date: October 10, 1905
Creator: Anderson, Oliver Lacy
Item Type: Refine your search to only Patent

Feed Water Heater.

Description: Patent for a new and improved feed water heater. This design "provide[s] a system of levers and a float which will automatically regulate the feed or supply of water to such heaters and lime-extractors . . . and further, that by securing a uniform supply of water the steam acts more equally upon the water, and thus secures a more uniform deposit of the lime" (lines 22-33). This allows for fewer accidents and less damage to the engine.
Date: August 10, 1880
Creator: Annear, John Henry
Item Type: Refine your search to only Patent

Cuff Holder.

Description: Patent for a new and improved cuff holder. This design "is chiefly to render cuffs hitherto buttoned to shirt-sleeves as readily attached or buttoned to coat-sleeves, in order that they may be removed from the wearer's person together with the coat to prevent the cuffs being soiled; and its object is also to avoid unbuttoning and buttoning cuffs to the shirt by means of the usual cuff-attaching buttons" (lines 24-32).
Date: November 10, 1885
Creator: Atkin, Samuel T.
Item Type: Refine your search to only Patent

Milk-Warmer

Description: Patent for Milk-Warmer that heats "milk with the purpose of souring the same in preparation of the milk for churning" (lines 10-12).
Date: September 10, 1918
Creator: Ault, Ella A.
Item Type: Refine your search to only Patent

Washing-Machine.

Description: Patent for washing-machines that "employ a circular corrugated or fluted bed with a conical roller revolving about a central post" (lines 12-14).
Date: February 10, 1880
Creator: Austin, Thomas J.
Item Type: Refine your search to only Patent

Automatic Recording Apparatus for Vehicles.

Description: Patent for an improved automatic passenger register and mileage recorder for vehicles that travel on rails. It consists of a roller that is actives by a time motor, a strip that the roller moves, a pressure roller, a pair of rollers that a record sheet is wound between, a mechanism that controls movements of the pair of rollers, electromagnets that are connected to the seats, armature levers that mark the electromagnets current, a bell crank lever that marks the moving record sheet, and a sprin… more
Date: October 10, 1893
Creator: Baade, John
Item Type: Refine your search to only Patent

Shutter Fastener.

Description: Patent for a new and improved shutter fastener. This design "has for its object the production of a simple and efficient device, and one that can be conveniently operated from the inside of the blind, but not readily tampered with or opened from the outside without removing some of the slats of the blind. . . . one part—a bolt—is carried by the blind, and the other part—a catch—is secured to the windowsill and locks the bolt, so as to unfasten the blind both hands are required—one hand to opera… more
Date: April 10, 1888
Creator: Bachman, Joseph A.
Item Type: Refine your search to only Patent

Churn.

Description: Patent for a churn that has a frame supporting the churn and swinging motion mixes the cream. This invention successfully separates oily globules from the cream, thus making churning more effective and easy.
Date: October 10, 1893
Creator: Bailey, James Westey & McNorton, John Tomas
Item Type: Refine your search to only Patent

Mechanical Movement.

Description: Patent for a mechanical movement using a crank to operate the lazy-tongs through the medium of a pitman, guided by a pair of parallel wires and, a reciprocating bar guided by a socket to produce the reciprocating motion. Illustration is included.
Date: February 10, 1891
Creator: Baker, George W.
Item Type: Refine your search to only Patent
Back to Top of Screen