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23 Matching Results
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Back-Pressure Valve
Patent for a back pressure valve for well drilling which may be "removed from the well with facility and despatch" (lines 18-20).
Date:
January 18, 1910
Creator:
Neighbors, Charles C.
System:
The Portal to Texas History
Attachment for Automobiles
Patent for a spring motor attachment for automobiles.
Date:
January 17, 1911
Creator:
Carroll, Houston M.
System:
The Portal to Texas History
Adding-Machine
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.
System:
The Portal to Texas History
Bat-Roost.
Patent for a bat roost that provides roosting space, as well as a space for hibernation. The bat roost will have a lower space that allows the user to clean out the droppings.
Date:
January 6, 1914
Creator:
Campbell, Charles A. R.
System:
The Portal to Texas History
Basin-Protector
Patent for a flexible basin lining that improves sanitation in areas where washrooms are often-used and rarely cleaned.
Date:
January 23, 1917
Creator:
Van Dunker, Charles L.
System:
The Portal to Texas History
Automobile-Tire.
Patent for a device that provides a cushion to spring wheels.
Date:
January 1, 1918
Creator:
Dalwigk, Hermann
System:
The Portal to Texas History
Wrench
Patent for a tool to enable its user to turn certain objects, such as nuts and bolts, efficiently.
Date:
January 9, 1917
Creator:
Bonelli, Liborio C.
System:
The Portal to Texas History
Lifting Jack
Patent for lifting jack used to lift vehicles.
Date:
January 18, 1916
Creator:
Applewhite, Scott C.
System:
The Portal to Texas History
Magnetic Separator
Patent for a magnetic separator for use in cotton and grain milling that removes all magnetic particles from the product.
Date:
January 28, 1913
Creator:
Preslar, John C.
System:
The Portal to Texas History
Vehicle-Wheel
Patent for vehicle wheels/tires and meant to improve upon current models that contain too many operating parts. Patent also contains improvements in performance of tires relating to expansion and contraction of the tires due to temperature.
Date:
January 7, 1919
Creator:
Allan, William N.
System:
The Portal to Texas History
Paper File and Binder.
Patent for a paper file and binder, which is expandable for varying amounts of pages and holds the papers firmly in the binder, but also allows easy removal.
Date:
January 25, 1910
Creator:
Springall, Walter A.
System:
The Portal to Texas History
Mechanical Rectifier.
Patent for a mechanical rectifier for automobiles. This mechanical rectifier connects with the magneto or generator to turn alternating currents into to direct currents for charging a storage battery while operating the engine.
Date:
January 29, 1918
Creator:
Winterborne, Arthur William
System:
The Portal to Texas History
Etching Apparatus.
Patent for an etching device that is for those interested in producing copper and zinc half-tones. This device can also use wave like motion to retain highlight tones and finish half-tones without requiring re-etching or staging.
Date:
January 14, 1919
Creator:
Beare, John H.
System:
The Portal to Texas History
Fan Spring-Motor
Patent for a portable fan spring motor.
Date:
January 28, 1913
Creator:
Von Hohenstein, Charles H.
System:
The Portal to Texas History
Ice-Cream-Freezer Holder.
Patent for a new ice cream freezer holder to be placed at the bottom of a freezer during the freezing process, including illustrations.
Date:
January 27, 1914
Creator:
Toepperwein, Ferdinand L.
System:
The Portal to Texas History
Roller Press
Patent for a roller press. This invention is designed to form round lap cotton bales. Illustrations included.
Date:
January 31, 1911
Creator:
Reagan, Edgar U. G.
System:
The Portal to Texas History
Folding Feed-Box.
Patent for a folding feed box that may be "readily carried or packed in a small space" (lines 18-19) when not being used.
Date:
January 7, 1913
Creator:
Young, Benjamin Joshua
System:
The Portal to Texas History
Safety-Valve Mechanism for Pneumatic Tires.
Patent for useful improvements on safety valve mechanism for Pneumatic Tires. This invention constructs a mechanism to control air pressure within the tire in order to prevent bursting from over charging, heating, sudden compression is avoided.
Date:
January 31, 1917
Creator:
Gebhardt, William C.
System:
The Portal to Texas History
Shipping Unit
Patent for "a shipping unit or carrier for the transportation of merchandise as freight, express, or baggage" (lines 8-10).
Date:
January 26, 1915
Creator:
Terry, James W.
System:
The Portal to Texas History
Nut Removing Device
Patent for a nut removing device. This device is designed for the removing of lug nuts from vehicle wheels. Illustration included.
Date:
January 28, 1913
Creator:
Easley, Thomas L.
System:
The Portal to Texas History
Operating Mechanism for Flushing Devices
Patent for an operating mechanism for flushing toilets automatically.
Date:
January 21, 1913
Creator:
Kreter, Otto & Kreter, George E.
System:
The Portal to Texas History
Station Indicator
Patent for an indicator that lets passengers on a train know which street they are passing and which station they are at.
Date:
March 17, 1914
Creator:
Craig, Richard M.
System:
The Portal to Texas History
Cage or Support for Well-Tubing
Patent for a well tubing cage which provides support for well tubes so that a second pipe is not required. Illustrations included.
Date:
January 17, 1911
Creator:
Harpham, Harry C.
System:
The Portal to Texas History