50,737 Matching Results

Search Results

Buggy-Spindle

Description: Patent for a buggy spindle for "taking up lost motion in the axle box should it be too short or too worn" (lines 10-11). Illustrations included.
Date: April 21, 1908
Creator: Messer, Jeremiah Clark
Partner: UNT Libraries Government Documents Department

Automatic Train Stop

Description: Patent for an automatic train stop. Used to simplify the construction where fewer magnets and changeable switches are necessary. To provide an automatic train control mechanism with a normally closed circuit, the breakage or disarrangement of any part that would ensure the stopping of the train.
Date: May 21, 1918
Creator: Bulla, Melbern B.
Partner: UNT Libraries Government Documents Department

Belt-Buckle

Description: Patent for belt-buckles that design "to be worn around the waist, without injuring or mutilating the ends of the belt (lines 13-15)."
Date: May 21, 1918
Creator: Hall, Cyrus M.
Partner: UNT Libraries Government Documents Department

Blacking Brush.

Description: Patent for a new and improved blacking brush. This design utilizes springs to move a blacking brush to and from a can of polish. This results in "evenness of wear of the bristles of the brush, economy of blacking, absence of spattering while extracting the blacking from the box, convenience in substituting the circular brush as a lid for the box in case of loss of the box-lid, and the saving of time in looking for a blacking-brush and a blacking-box separately" (lines 53-60).
Date: September 21, 1880
Creator: Wood, Edmund Lorenzo.
Partner: UNT Libraries Government Documents Department

Silo.

Description: Patent for new and various improvements in silos, the goal of which is to provide an invention that is "strong, durable, efficient and simple, and comparatively inexpensive to produce"(lines 23-25) including instructions and illustrations.
Date: December 21, 1915
Creator: Moad, John S.
Partner: UNT Libraries Government Documents Department

Compensating Pump-Spring.

Description: Patent for improvements in compensating pump-springs by “storing up in the downward or idle stroke of the suction-rod, a power which is expended during the upward stroke to assist the crank in lifting the rod; and at the same time reducing the power required to drive the pump, equalizing the resistance, increasing the efficiency and generally prolonging the life of the entire mechanism.” (Lines 36-40) Illustration is included.
Date: April 21, 1891
Creator: Black, William L.
Partner: UNT Libraries Government Documents Department

Bath-Cabinet

Description: Patent for improvements in hot air bath cabinets in which it can employ for a foot or body bath, and be able to control or regulate the hot air current. (Lines 14-18) Illustration is included.
Date: February 21, 1911
Creator: Ballard, Silas
Partner: UNT Libraries Government Documents Department

Automatic Railway-Switch.

Description: Patent for new and useful Improvements in Automatic Railway-Switches, "particularly to automatic railway switches for use in street railways or steam railways" (lines 13-15), including instructions and illustrations.
Date: August 21, 1917
Creator: Eisenberg, Louis
Partner: UNT Libraries Government Documents Department

Fan Attachment for Chairs.

Description: Patent for a fan that attaches to rocking chairs which turns one direction when the chair rocks forward and the opposite direction when the chair rocks backward.
Date: May 21, 1907
Creator: Dorris, Joseph F.
Partner: UNT Libraries Government Documents Department

Crude-Oil Burner

Description: Patent for a hydrocarbon burner primarily used for stoves and furnaces. Illustrations included.
Date: June 21, 1910
Creator: Reed, Rufus C.
Partner: UNT Libraries Government Documents Department

Bit.

Description: Patent for a bridle bit that helps a handler to hold or guide an animal without harming its mouth. Illustration included.
Date: August 21, 1900
Creator: Castro, Alberto
Partner: UNT Libraries Government Documents Department

Bat-Former

Description: Patent for a cotton bat former that produces a bat of uniform size and weight.
Date: March 21, 1911
Creator: Ball, Samuel M.
Partner: UNT Libraries Government Documents Department

Boring-Bar.

Description: Patent for improvement in boring-bars, particularly in the ability to hold the tool securely "in place during operation and which will prevent the cutting tool from becoming loose in its socket or holder" (lines 12-15). Additional operations include the boring bar turning off or cutting on the outside in instances "where the lathe will not swing over the carriage" (line 19) and the cutting on both "the inside or outside of the work equally as well" (lines 16-18).
Date: January 21, 1919
Creator: Bird, John M.
Partner: UNT Libraries Government Documents Department

Break-Out Pin.

Description: Patent for a modified break-out pin on an oil derrick which makes it easier to release a wrench for unscrewing pipes when done, but still holds the wrench in place while in use.
Date: October 21, 1919
Creator: Headrick, James O.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen