UNT Libraries Government Documents Department - 12 Matching Results

Search Results

Results: 1 - 12

Car-Door Operating and Locking Device

Description: Patent for a car door operating and locking device that provides improved means for automatically closing and locking the doors before starting the car.
Date: May 18, 1915
Creator: Pitts, Hood

Attachment for Mowers

Description: Patent for a dividing and feeding mower attachment to guide grain into the cutters of the mowers in an upright position.
Date: April 13, 1915
Creator: Mosely, Jimmie E.

Machine for Cracking Nuts

Description: Patent for a machine that is able to crack multiple types of nuts at a rapid rate.
Date: June 22, 1915
Creator: McDonald, C. W.

Vehicle.

Description: Patent for a vehicle that is "designed particularly for travel through the water but adapted through the peculiarity of its construction for travel with practically equal facility on the land." (p. 1, lines 9-12), including illustrations.
Date: May 4, 1915
Creator: Ramsey, Frank T.

Switch.

Description: Patent for a switch for electrically operated elevator doors or gates that ensures their proper closing before the car travels through the shaft.
Date: May 18, 1915
Creator: Pitts, Hood & Covert, Frank M.

Steam-Condenser.

Description: Patent for "condenser, adapted to supply sterile water in hospitals and elsewhere" (lines 9-11) including instructions and an illustration.
Date: October 12, 1915
Creator: Scott, Zacahry T.

Stock Food and Method of Preparing the Same

Description: Patent for a new method to produce stock feed at a low cost, by "treating finely divided organic matter containing cellulose with certain acids under pressure, thereby freeing the cellulose and other carbohydrates," to make the feed more easily absorbable by animals (lines 13-23).
Date: May 25, 1915
Creator: Walker, Thomas Bailey

Floor Selector-Switch for Electric Door-Operating Apparatus

Description: Patent for floor selector switch for electric door operating apparatus situated at the floor/landing near the elevator shaft to close and open the elevator gate/door. It also allows the elevator operator to use a switch to operate the elevator gate/door, and also lock the gate/door so it cannot be opened by accident. All said to work quickly and quietly.
Date: May 18, 1915
Creator: Pitts, Hood

Elevator-door-operating Apparatus

Description: Patent for an electrically controlled means of automatically "opening and closing the doors of the elevator shaft" without slamming or banging the doors, including illustrations.
Date: May 18, 1915
Creator: Pitts, Hood

Shock-Absorber.

Description: Patent for improvement on vehicle shock absorber, including instructions and illustration.
Date: October 26, 1915
Creator: Harvey, Harry F.

Door Operating and Locking Device.

Description: Patent for an electric door or gate operating and locking device that allows for automatically opening and closing a door or gate and locking it when it is open or closed. This device may be turned off if necessary to allow for manually moving the door or gate and may be installed cheaply in preexisting structures.
Date: May 18, 1915
Creator: Pitts, Hood

Cotton-Picker.

Description: Patent for improvements on cotton pickers that allow the cotton to be collected separately from the bolls.
Date: November 16, 1915
Creator: Phel, Walter Edward
Back to Top of Screen