Resource Type
Counties
Decade
Month
5 Matching Results
Results open in a new window/tab.
Results:
1 - 5 of
5
Automatic Valve
Patent for an automatic valve, "designed to automatically control the water-supply to a suitable reservoir through the operation of a float (lines 9-11), with illustrations.
Date:
April 25, 1905
Creator:
Pinkerton, Henry S.
System:
The Portal to Texas History
Insect-Trap
Patent for an insect trap which attracts insects with a light and contains them.
Date:
April 4, 1911
Creator:
La Baum, Francis M.
System:
The Portal to Texas History
Nut-Lock.
Patent for new and improved Nut-Locks, allowing for "a simple, strong, durable, and efficient arrangement for effectually locking a nut on a bolt..." (lines 16-18), including instructions and illustrations.
Date:
April 29, 1916
Creator:
Portesi, Santos & Taini, John
System:
The Portal to Texas History
Swinging Gate.
Patent for a swinging gate that consists of a supporting post, a gate, a hinge that connects the gate to the post, a rear bar, a hinge lever that connects the rear gate bar to the supporting post, an operating lever, cords or chains that connect the lever and the hinge lever, and a latching mechanism.
Date:
April 25, 1893
Creator:
Rohrbach, Gabriel
System:
The Portal to Texas History
Shovel.
Patent for a shovel, which has a detachable blade and handle that can be securely fastened when in use and easily taken apart for transport.
Date:
April 7, 1908
Creator:
Ellison, John Wesley
System:
The Portal to Texas History