UNT Libraries Government Documents Department - 516 Matching Results

Search Results

Results: 1 - 24 next

Rotary Tooth-Brush

Description: Patent for a crank powered rotary toothbrush. Designed with the purpose of easily cleaning teeth with a simple automatic mechanism, with added projection via a shield around the brush for protecting gums and cheeks from being scraped by the brush.
Date: October 8, 1918
Creator: Abel, Charles
Item Type: Refine your search to only Patent

Oil-Converting Apparatus.

Description: Patent for an apparatus that can be built at moderate cost, which will enable a high rate of commercially efficient work to reduce "the specific gravity of various grades of hyrdo-carbon oils, especially those of a semi-refined character" (lines 22 - 24).
Date: October 28, 1919
Creator: Adams, Joseph H.
Item Type: Refine your search to only Patent

Automobile Driving Mechanism.

Description: Patent for a driving mechanism for an automobile to dispense with the usual form of transmission gearing and differential, to substitute mechanisms power devices through the medium of a suitable liquid [preferably oil], maintained at a predetermined volume, and to provide a noiseless operating mechanism.
Date: October 31, 1916
Creator: Allan, William N.
Item Type: Refine your search to only Patent

Slime Pulp Thickener.

Description: Patent for a "device for thickening slime or pulp, and particularly pertains to a structure similar to that disclosed in my co-pending application entitled "Slime pulp thickener," serial number 173,785, filed June 9, 1917, and of which the present application is a division" (lines 8-14). Additionally, described as a device that automatically releases thickened pulp when proper density is achieved.
Date: October 5, 1918
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Plow.

Description: Patent for a reinforced plow shoe that eliminates frictional wear on the landside bar and reduces wear on the landside plate of the plow.
Date: October 16, 1917
Creator: Alston, William H.
Item Type: Refine your search to only Patent

Clothes-Line.

Description: Patent for Clothes-Line that is to supply an endless amount of clothesline in order to facilitate easy placement and/or removal of clothing from the line.
Date: October 15, 1918
Creator: Anderson, Chester A.
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

Fuse-Block.

Description: Patent for the Fuse Block. Patent is an improvement to the existing Fuse Block. It allows safer working conditions for those who have to replace or install new fuse blocks at night and/or the rain.
Date: October 13, 1914
Creator: Anderson, Ulin S.
Item Type: Refine your search to only Patent

Gearing for Churns and Ice-Cream Freezers.

Description: Patent for a new design of an ice cream churn designed "to provide means for operating the dasher or agitator of a churn or ice cream freezer, which is capable of being swung into or out of position at the will of the operator" (lines 11-15).
Date: October 17, 1916
Creator: Armstrong, Charles John
Item Type: Refine your search to only Patent

Cotton-Chopper

Description: Patent for cotton chopper attachment for wheeled cultivators that allowed the user to "cut or chop out portions of the cotton row so that the growth of the remaining cotton is facilitated."
Date: October 20, 1914
Creator: Arthur, George P.
Item Type: Refine your search to only Patent

Elastic Tire.

Description: Patent for improvements on elastic tires, so that they are solid and secured on rims of wheels laterally and circumferentially, with fastening rings that hold the tires steady with circular movement; includes illustrations.
Date: October 29, 1918
Creator: Avery, John M.
Item Type: Refine your search to only Patent
Back to Top of Screen