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NACA Technical Memorandums
43
NACA Technical Notes
28
Farmers' bulletin (United States. Department of Agriculture)
12
NACA Aircraft Circulars
11
NACA Technical Reports
11
Farmers' bulletin (United States. Dept. of Agriculture)
5
United States Bureau of Mines Reports
4
National Bureau of Standards Reports
3
Annual Report of the Boy Scouts of America
2
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249 Matching Results
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Engine Fan Belt Guard.
Patent for Engine Fan Belt Guards. This device helps the fan shift from slipping off mother vehicle engines.
Date:
May 11, 1920
Creator:
Brackett, Edward B.
Object Type:
Patent
System:
The Portal to Texas History
Milk-Can Cover
Patent for a milk can cover that locks in place toprevent milk from spilling out of the can, with illustrations.
Date:
May 11, 1920
Creator:
Wisegarver, Marion Obidah
Object Type:
Patent
System:
The Portal to Texas History
Pipe-Cutter
Patent for improved pipe cutters that indicate when a pipe has been completely severed inside of a well
Date:
May 11, 1920
Creator:
Wright, John F.
Object Type:
Patent
System:
The Portal to Texas History
Prepay Time-Controlled-Service Apparatus.
Patent for an improvement in prepay time controlled service apparatus that uses the solenoid and armature as a stopping means for the time mechanism.
Date:
May 11, 1920
Creator:
Thompson, William H. & Thompson, J. D.
Object Type:
Patent
System:
The Portal to Texas History
Process of Producing Tire-Patch Material.
Patent for an improved tire patch material combination and production process, which results in less water absorption and better adhesion to the tire.
Date:
May 11, 1920
Creator:
Duffy, Clarence O.
Object Type:
Patent
System:
The Portal to Texas History
Roasting-Pan.
Patent for a self basting roasting pan. The pan includes an impaling tube upon which the roast is impaled and includes tubing to allow juices of the meat being cooked to be transferred upwardly and flow down over the meat.
Date:
May 11, 1920
Creator:
Holloway, Sarah Ann
Object Type:
Patent
System:
The Portal to Texas History
Rubber Tire-Filler With a Flexible Metal Cable in the Center.
Patent for "an improved rubber tire filler which is reinforced by a metal cable or nonstretchable strand or strands to prevent the fillers from slipping while permitting of sufficient flexibility to allow the tire casing to be readily engaged over the filler" (lines 10-15)
Date:
May 11, 1920
Creator:
Needham, Moses W.
Object Type:
Patent
System:
The Portal to Texas History
Sanitary Cover-Pad for Mattresses.
Patent for an improvement in sanitary pad covers for mattresses that is washable and contains pocket flaps underneath that can hold a sheet of waterproof material to protect the mattress beneath.
Date:
May 11, 1920
Creator:
Callahan, John William & Callahan, Maud B.
Object Type:
Patent
System:
The Portal to Texas History
Separator for Storage-Battery Plants
Patent for a device that allows liquid in a storage battery to flow from one plate to another.
Date:
May 11, 1920
Creator:
Luthy, Joseph O.
Object Type:
Patent
System:
The Portal to Texas History
Stovepipe-Cap.
Patent for a stove pipe cap that attaches to the top of a chimney and prevents "birds from building their nests in the smoke stack or pipe, which causes chimney fires" (lines 21-23) including instructions and illustrations.
Date:
May 11, 1920
Creator:
Fojtik, Peter
Object Type:
Patent
System:
The Portal to Texas History
Tool-Holding Implement.
Patent for a holding device specifically for hoe tools while being sharpened.
Date:
May 11, 1920
Creator:
Stoke, Josiah W.
Object Type:
Patent
System:
The Portal to Texas History
Performance of a 300-horsepower Hispano-Suiza airplane engine
The National Bureau of Standards tested a 300-horsepower Hispano-Suiza engine to determine the characteristic performance of the engine at various altitudes. The engine was operated at the ground, at 25,000 feet, and at intermediate altitudes, both at full loads similar to those that would be imposed upon the engine at various speeds by a propeller whose normal full-load speed was 1,800 r.p.m. Friction horsepower also was determined in order that the mechanical efficiency of the engine might be calculated.
Date:
May 12, 1920
Creator:
Sparrow, S. W. & White, H. S.
Object Type:
Report
System:
The UNT Digital Library
Combination Steeper and Dripper.
Patent for improvements of steeper and drippers combinations, specifically for tea or coffee, where a container the same depth of the pot will be provided in order to steep grounds easily and quicker.
Date:
May 17, 1920
Creator:
Nicholls, George Habberton
Object Type:
Patent
System:
The Portal to Texas History
Bank-Check Writer.
Patent for a new and useful improvements in Bank-Check Writers. With this device, a blank check may be inserted and the name of the payee and the amount in figures will be typewritten.
Date:
May 18, 1920
Creator:
Wendelken, Charles
Object Type:
Patent
System:
The Portal to Texas History
Car-Axle Lubricator
Patent for improving parts of the journal box in car axles to simplify construction and enable access to the interior of the journal box for replacement or otherwise.
Date:
May 18, 1920
Creator:
Urbeita, Jose M.
Object Type:
Patent
System:
The Portal to Texas History
Check-Writer.
Patent for an automatic bank check writer that will type out the name of the payee and other figures. Rotatable type cylinders, a foot presser, and additional adjustable character dials are included in the invention objects.
Date:
May 18, 1920
Creator:
Wendelken, Charles
Object Type:
Patent
System:
The Portal to Texas History
Churn.
Patent for a churning receptacle for improvement in ease of operation, efficiency, and sanitation.
Date:
May 18, 1920
Creator:
Thompson, Robert A. & Morris, Lute P.
Object Type:
Patent
System:
The Portal to Texas History
Cold Process of Repairing Radiators of Internal-Combustion Engines.
Patent for repairing breaks in radiator pipes caused by freezing, by which can be repaired quickly and efficiently at a low cost.
Date:
May 18, 1920
Creator:
Henderson, Thomas E.
Object Type:
Patent
System:
The Portal to Texas History
Device for Extracting Automobiles from Mud, Sand, or Ditches
Patent for a retractable device to lift and advance a vehicle over obstructions. The device can be operated from the drivers seat and can mover the vehicle forward or backward (p. 1, line 19-21).
Date:
May 18, 1920
Creator:
Nash, William A.
Object Type:
Patent
System:
The Portal to Texas History
Discharge Device for Cotton-Seed Unloaders.
Patent for a discharge device in which cotton seed can be unloaded to an elevator, conveyer, or elsewhere. The invention also has the ability to clean and cool the cotton seed while being unloaded, also making it dry which makes it in better condition for storing.
Date:
May 18, 1920
Creator:
Golloher, Charles H.
Object Type:
Patent
System:
The Portal to Texas History
Emblem Structure.
Patent for an improvement in emblem structures by mounting the parts of an emblem on a rigid mounting plate.
Date:
May 18, 1920
Creator:
Seastrunk, Thomas P.
Object Type:
Patent
System:
The Portal to Texas History
Fly-Killing Device.
Patent for an improved fly swatter specifically for killing flies in harder to reach places, such as a wall or ceiling, and is "simple and inexpensive in construction" (lines 12-13).
Date:
May 18, 1920
Creator:
Hannon, George M.
Object Type:
Patent
System:
The Portal to Texas History
Machine for Picking Cotton.
Patent for an improved machine for picking cotton that is designed for the purpose of picking cotton fiber from the plants of the row. The machine is adapted to pass along over the row to extract the fiber from the bolls of the plants. The machine's provision allows for discharging the hairy tuft of the cotton seeds into elevating chutes so that the cotton seed can be discharged into a suitable receptacle mounted upon the framework of the machine.
Date:
May 18, 1920
Creator:
Threadgill, Wilmer
Object Type:
Patent
System:
The Portal to Texas History
Pipe-Puller.
Patent for a device that is specially designed for pulling or lifting a drill stem that is "stuck" in a bore well.
Date:
May 18, 1920
Creator:
Simmons, John T.
Object Type:
Patent
System:
The Portal to Texas History