Car-Door Operating and Locking Device (open access)

Car-Door Operating and Locking Device

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
System: The Portal to Texas History
Clipping and Pruning Shears. (open access)

Clipping and Pruning Shears.

Patent for clipping and pruning shears that can have the blades taken off for sharpening.
Date: May 2, 1911
Creator: South, John P.
System: The Portal to Texas History
Demountable Rim and Felly Band (open access)

Demountable Rim and Felly Band

Patent for Demountable Rim and Felly Band
Date: May 1, 1917
Creator: Stephens, Charles D. & Bachman, Joseph A.
System: The Portal to Texas History
Door Operating and Locking Device. (open access)

Door Operating and Locking Device.

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
System: The Portal to Texas History
Elevator-door-operating Apparatus (open access)

Elevator-door-operating Apparatus

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
System: The Portal to Texas History
Floor Selector-Switch for Electric Door-Operating Apparatus (open access)

Floor Selector-Switch for Electric Door-Operating Apparatus

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
System: The Portal to Texas History
Hat-Pin (open access)

Hat-Pin

Patent for a hat pin. This hat pin utilizes a new form of guard to house the pin to prevent injury and keep it from accidentally slipping out. It is also designed to be ornamental, compact, and can be applied to many different types of hat.
Date: May 14, 1918
Creator: Collier, William Reid
System: The Portal to Texas History
Lock-Corner. (open access)

Lock-Corner.

Patent for a lock corner for attaching the corners of cardboard or paper boxes.
Date: May 31, 1910
Creator: Hall, Edgar R.
System: The Portal to Texas History
Newspaper Holder (open access)

Newspaper Holder

Patent for a newspaper holder which may be eligible to hold other things, may be easily moved, and is cost-effective.
Date: May 22, 1917
Creator: Richter, Joseph
System: The Portal to Texas History
Oil-Burner. (open access)

Oil-Burner.

Patent for a new and improved oil-burner which is capable of using any hydrocarbon in combination with pressurized air and steam and properly adjusting the ratios of each to provide optimal results.
Date: May 5, 1914
Creator: Matthews, Robert H.
System: The Portal to Texas History
Shears (open access)

Shears

Patent for shears to be used by metal workers. Illustrations included.
Date: May 30, 1911
Creator: Burkett, Thomas
System: The Portal to Texas History
Shutter Slat Fastener (open access)

Shutter Slat Fastener

Patent for a shutter slat fastener. Illustration included.
Date: May 23, 1911
Creator: Basnett, Augustus
System: The Portal to Texas History
Spring Trip Mechanism (open access)

Spring Trip Mechanism

Patent for a spring trip mechanism for plows. Illustration included.
Date: May 10, 1910
Creator: Messer, Jeremiah Clark & Bell, William G.
System: The Portal to Texas History
Stock Food and Method of Preparing the Same (open access)

Stock Food and Method of Preparing the Same

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
System: The Portal to Texas History
Switch. (open access)

Switch.

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.
System: The Portal to Texas History
Vehicle. (open access)

Vehicle.

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.
System: The Portal to Texas History
Vehicle-Tire. (open access)

Vehicle-Tire.

Patent for a vehicle tire composed of laminate fiber board and wooden spokes covered in a oil based mixture, which hardens on the outside of the tires to waterproof them.
Date: May 31, 1910
Creator: Carhart, John Wesley
System: The Portal to Texas History