7 Matching Results
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Bracket.
Patent for an improvement on agricultural brackets that allow for easier and more secure connection and support to a variety of agricultural implements.
Date:
June 8, 1920
Creator:
Wright, Joseph Hansel
System:
The Portal to Texas History
Ignition Device.
Patent for improvements in Ignition Devices. This device will assist in locating trouble when a multi-cylinder gasoline engine is not firing regularly and one cylinder is "missing".
Date:
June 8, 1920
Creator:
Wood, Robert N.
System:
The Portal to Texas History
Liquid-Fuel Burner.
Patent for improvements in liquid fuel burner that generates gas from liquids that requires no labor or supervision.
Date:
June 8, 1920
Creator:
Bittner, Emil R.
System:
The Portal to Texas History
Lock-Washer.
Patent for "an improved lock washer especially adapted for locking nuts" (lines 10-11) that was designed to "be interposed between the nut and a member to be clamped by the nut" (lines 14-16).
Date:
June 8, 1920
Creator:
Medbery, Clinton A.
System:
The Portal to Texas History
Plow.
Patent for improvements in plows that will break and bed the soil at a single operation while it was customary for a plow to have to go over the soil at least twice in order to break the soil. This invention is also meant to conserve time and labor and cultivate the soil more thoroughly.
Date:
June 8, 1920
Creator:
Wendtland, William Sr.
System:
The Portal to Texas History
Sample-Taking Device.
Patent for improvements in Sample-Taking Devices, specially for drilling oil wells with the purpose of taking samples, which can be easily removed from the well without with-drawing the bit or drill stem.
Date:
June 8, 1920
Creator:
Huston, Sidney H.
System:
The Portal to Texas History
Screening Device for Oil-Wells.
Patent for improvements in a screening device for oil wells that is specially made for wells constructed in places of strong gas pressure.
Date:
June 8, 1920
Creator:
Houston, Sidney H.
System:
The Portal to Texas History