Automobile Torpedo (open access)

Automobile Torpedo

Patent for a submarine torpedo which explodes in the hull of a vessels it hits.
Date: July 18, 1911
Creator: Douglas, William M.
System: The Portal to Texas History
Combined Ruler and Blotter (open access)

Combined Ruler and Blotter

Patent for a ruler that can also be used as a blotter. Illustrations included.
Date: July 25, 1911
Creator: Muller, Frederick William, Jr.
System: The Portal to Texas History
Valve for Car-Carried Mechanism of Train-Stopping Apparatus. (open access)

Valve for Car-Carried Mechanism of Train-Stopping Apparatus.

Patent for an invention which provides an improved train stopping apparatus, whereby the propelling power of the motor car will be cut off when conditions warrant.
Date: July 13, 1915
Creator: Labit, Girard E.
System: The Portal to Texas History
Weed-Destroying Compostion (open access)

Weed-Destroying Compostion

Patent for a weed-destroying composition consisting of sulfur, caustic soda, and water.
Date: July 8, 1910
Creator: Orton, Ingomar F.
System: The Portal to Texas History
Locomotive-Engine-Cut-Out Valve. (open access)

Locomotive-Engine-Cut-Out Valve.

Patent for valves on locomotives that allow the locomotive to continue to operate under specified conditions until it can be repaired or the locomotive has reached its destination, including illustrations.
Date: July 6, 1915
Creator: Dugan, Samuel Austin
System: The Portal to Texas History
Train-Stopping Apparatus. (open access)

Train-Stopping Apparatus.

Patent for "to provide a track instrument for automatic train stopping apparatus which will be useful in conjunction with block signaling system." (lines 16-19) including illustrations.
Date: July 13, 1915
Creator: Labit, Girard E.
System: The Portal to Texas History
Trap. (open access)

Trap.

Patent for a fishing trap box that holds the bait securely and can be used for catching fish or crustaceans.
Date: July 4, 1911
Creator: Franklin, Robert M.
System: The Portal to Texas History
Telegraph Apparatus. (open access)

Telegraph Apparatus.

Patent for a telegraph apparatus for which a "permanent record may be made" (lines 25-26) with a typewriter. The telegraph apparatus also allows for "positive and minus impulses" (line 40) to be sent over the telegraph line. Illustrations included. Best Available Copy -- some fading of the text on first, third, and fifth pages; third page illegible in some places.
Date: July 29, 1913
Creator: Edwards, Claude M.
System: The Portal to Texas History
Miner's Lamp. (open access)

Miner's Lamp.

Patent for a miner's lamp with a combustion chamber that allows for the regulation and extinguishing of the flame. It is designed to be lightweight and cheap to manufacture.
Date: July 29, 1913
Creator: Sallander, Carl G.
System: The Portal to Texas History
Speed-Operated Circuit-Closer. (open access)

Speed-Operated Circuit-Closer.

Patent for an alarm trigger or stopping device on belt driven grain elevators.
Date: July 3, 1919
Creator: Touchy, Frank Earl
System: The Portal to Texas History
Self-Oiling Handsaw. (open access)

Self-Oiling Handsaw.

Patent for invention of a handsaw which is an improvement of current version. This is simple, low cost and convenient handsaw and is operated easily without removing the grip.
Date: July 18, 1916
Creator: Pearson, Robert Bartley
System: The Portal to Texas History
Selective Telegraph System. (open access)

Selective Telegraph System.

Patent for a selective telegraph switch which allows current to be directed to a specific place and will minimize resistance.
Date: July 22, 1913
Creator: Edwards, Claude, M.
System: The Portal to Texas History