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Adjustable Book-Cover
Patent for a book cover that can be adjusted to fit any book size.
Date:
September 28, 1920
Creator:
Toland, Thomas L.
System:
The Portal to Texas History
Automatic Rotary Weighing-scale.
Patent for an automatically rotating scale for weighing material such as cotton seeds.
Date:
September 28, 1920
Creator:
Henderson, Robert L.
System:
The Portal to Texas History
Band-Saw
Patent for improving band-saws for lumber "which can be inexpensively produced, which will not readily crack or otherwise deteriorate in use" (lines 15-18) by "reinforc[ing] the gullets of the teeth that the tendency for cracks to form at this point will be reduced to a minimum" (lines 33-35).
Date:
September 28, 1920
Creator:
McCormick, Merton H.
System:
The Portal to Texas History
Building Construction.
Patent for "new and useful improvements in building construction" (lines 9-11), including illustrations.
Date:
September 28, 1920
Creator:
Laughlin, Edward A.
System:
The Portal to Texas History
Cotton-Pest-Poisoner
Patent for an insect destroyer specifically designed for use in the treatment of cotton plants. The cotton-pest poisoner is in the form of a powder that can be scattered over the plants.
Date:
September 28, 1920
Creator:
Saladiner, Joseph M.
System:
The Portal to Texas History
Curing-House.
Patent for a curing house for vegetables like sweet potatoes. The inventors "have found that the ceiling and dampers therein are not essential to the successful curing of vegetables; also that an exhaust fan is not necessary and a pent house on the roof with louvers in its sides gives sufficient ventilation and excellent results" (lines 23-28).
Date:
September 28, 1920
Creator:
Vaughan, Robert B. & Love, Ralph M.
System:
The Portal to Texas History
Door-Holder.
Patent for a new door holder that is designed so that it will not press down the carpet pile if it is used to hold open a door in a carpeted area. It also is designed to hang on the key or handle of the door when not in use and is big enough that someone would not accidentally stow it in their pocket if they took the key.
Date:
September 28, 1920
Creator:
Lanning, Edwin
System:
The Portal to Texas History
Draft-Equalizer
Patent relating to improvements to draft appliances for tractors. Illustration is included.
Date:
September 28, 1920
Creator:
Dudley, Thomas J.
System:
The Portal to Texas History
Gate-Valve Lock.
Patent for new and useful improvements in gate valve lock. This invention is to improve locks for gate valves and other various valves with rotatable stems.
Date:
September 28, 1920
Creator:
Madrin, Leonard B.
System:
The Portal to Texas History
Rolling Screen.
Patent for a rolling window screen which may be held in various semi-open positions.
Date:
September 28, 1920
Creator:
Leach, William F.
System:
The Portal to Texas History
Street-Traffic Signal
Patent for a street traffic signal that can be operated from either the center of the intersection, or the curb.
Date:
September 28, 1920
Creator:
Miller, Thomas O.
System:
The Portal to Texas History
Apparatus For Protecting And Preserving Poles And The Like
Patent for add-on device to shield existing electric posts and poles from decay over time and weather damage.
Date:
September 21, 1920
Creator:
Lewis, Thomas E.
System:
The Portal to Texas History
Bee-Cage.
Patent for a new and improved design of bee cages that facilitates the feeding of bees during transportation and provides "the proper ventilation of the air through the cage to prevent the bees from smothering" (lines 17-19), including illustrations.
Date:
September 21, 1920
Creator:
Ault, Eugene B.
System:
The Portal to Texas History
Foldable Landing Gear for Aeroplanes
Patent for foldable landing gear for airplanes. This landing gear is designed to be folded into the body of the plane, by the pilot.
Date:
September 21, 1920
Creator:
McCarroll, Frank
System:
The Portal to Texas History
Guard.
Patent for a guard for marine vessels against torpedoes.
Date:
September 21, 1920
Creator:
Muncy, David J.
System:
The Portal to Texas History
Heater.
Patent for an under-the-bathtub heater.
Date:
September 21, 1920
Creator:
Bowlus, Charles F.
System:
The Portal to Texas History
Mattress-Support.
Patent for a new device that will improve mattress support, including illustrations. It is "designed to take the place of the ordinary spring now in common use and it is formed of inflatable units arranged to be inflated by the use of air, hot or cold water or other similar fluids" (lines 11-15).
Date:
September 21, 1920
Creator:
Monks, Frederick I.
System:
The Portal to Texas History
Standing Valve
Patent for a Standing Valve. This standing valve is designed to improve the way the fluids pump through oil and water wells. it also includes an improvement in the way the standing valve is secured to the wells. The new valve can also be easily replaced because of the materials it is composed of.
Date:
September 21, 1920
Creator:
Adams, Thomas M.
System:
The Portal to Texas History
Underreamer for Reaming Out Producing-sands.
Patent for "underreaming tools or bits which can be adjusted from the top of the well and which can be set at the required angle..."
Date:
September 21, 1920
Creator:
Lambeth, Acey L.
System:
The Portal to Texas History
Vehicle-Wheel
Patent for a tire with strong durability and efficient manufacturing.
Date:
September 21, 1920
Creator:
Allan, William N.
System:
The Portal to Texas History
Washing-Machine.
Patent for a new and improved design of washing machines "which combines simplicity of construction with economy in operation" and helps "to minimize the opportunity for wear, breakage or derangement" (lines 30-35), including illustrations.
Date:
September 21, 1920
Creator:
Seifert, John W.
System:
The Portal to Texas History
Banjo.
Patent for facilitating the safe packing, storage, and shipment of banjos and other similar musical instruments, including one illustration.
Date:
September 14, 1920
Creator:
Brown, Norman
System:
The Portal to Texas History
Garbage-Can.
Patent for a garbage can that is simple and efficient and has a lid that can be opened on the garbage can.
Date:
September 14, 1920
Creator:
Lewellen, Rosa B.
System:
The Portal to Texas History
Gasolene-Measuring Device.
Patent for a device which allows for gasoline to be measured while under constant flow.
Date:
September 14, 1920
Creator:
McKallip, John C.
System:
The Portal to Texas History