UNT Libraries Government Documents Department - 65 Matching Results

Search Results

Results: 1 - 24 next

Adding-Machine

Description: Patent for improvements to adding machines, which is key-operated and includes a vertically disposed shaft and a means to actuate the sliding plate.
Date: January 5, 1915
Creator: Gatewood, William F.
Item Type: Refine your search to only Patent

Automatic Weighing-Scale.

Description: Patent for an automatic weighing-scale meant to be connected to a pneumatic conveyer to weigh cotton, grain, or other products. The invention weighs "any amount to which its scale may be set, and then cutting off the supply and emptying itself, when it may be reset, preferably by hand, to repeat the weighing operation" (lines 18-22).
Date: July 9, 1895
Creator: Schulze, Andrew
Item Type: Refine your search to only Patent

Broom-Rack.

Description: Patent for an improvement in a device to hold brooms and items with handles by simplifying the design and making it more resistant to strain.
Date: February 14, 1893
Creator: Jones, Wesley C. P.
Item Type: Refine your search to only Patent

Churn

Description: Patent for a churn that can produce butter in very short period of time with minimal effort.
Date: May 19, 1913
Creator: Hoefer, Charles Jr.; Belt, Marcus L. Jr. & Belt, William R.
Item Type: Refine your search to only Patent

Combined Automatic Vending and Money-Changing Machine.

Description: Patent for an improved combined automatic vending and money changing machine. It has "a locking mechanism constructed to lock said article and change-delivery mechanisms when a coin inserted by a purchaser is of less value than the article desired by him, and [a] mechanism for unlocking both of said delivery mechanisms while the purchaser's said coin remains in the machine and adjusting bot of said delivery-mechanisms to thereafter deliver an article corresponding to the value of said coin" (li… more
Date: June 18, 1895
Creator: Sturgis, Herbert Marshall
Item Type: Refine your search to only Patent

Cotton-Gin.

Description: Patent for a cotton-gin that "has for its object to provide means for operating upon or permitting lint cotton, wool and other fibrous material to be ginned from a roll by means of saws as is commonly done in working seed cotton without injury to the mechanism" (lines 12-17).
Date: August 7, 1894
Creator: Haynes, Daniel
Item Type: Refine your search to only Patent

Device for Feeding Envelops to Type-Writing Machines.

Description: Patent for "a device for feeding envelops to type-writing machines, the object being to construct a device of the character described which is adapted to be mounted on the carriage of the machine and feed envelops to be addressed continuously and automatically to the platen on said machine." (Lines 26-32) Includes instructions and illustrations.
Date: June 15, 1897
Creator: Wash, Benjamin S.
Item Type: Refine your search to only Patent

Dog or Stop Device for Baling-Presses.

Description: Patent for a simple, inexpensive, and durable stop-device or dog used in baling presses with a pressure-chamber in a plunger or traverser reciprocates. The invention operates automatically and retaines the material being pressed inside the pressure-chamber. The dog pivots on the side of the pressure-chamber and is enabled to move freely.
Date: June 19, 1894
Creator: Schulze, Andrew
Item Type: Refine your search to only Patent

Elevated Railway.

Description: Patent for a new elevated railway, consisting of the arrangement and parts described. Patent for "a new and improved elevated railway structure for moving cars or vehicles." (line 14) including perspective views, description and illustrations. Patent for a new elevated railway design including illustrations.
Date: December 13, 1892
Creator: Turner, Ephraim, M. & Maddox, R. E.
Item Type: Refine your search to only Patent

Fare-Receiver and Automatic Change-Maker.

Description: Patent for a fare box and change maker mean to improve on fare-receivers and automatic change-makers that "automatically deliver the correct change to a passenger or other person, who deposits in the machine a coin of greater value than is the regulation fare" (lines 16-19).
Date: June 18, 1895
Creator: Sturgis, Herbert Marshall
Item Type: Refine your search to only Patent

Flexible Joint

Description: Patent for a flexible joint provides "an improved and simplified device that is simple, durable and reliable in construction and effective and efficient in operation" (lines 10-13).
Date: November 16, 1915
Creator: Mooney, Thomas H.
Item Type: Refine your search to only Patent
Back to Top of Screen