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1,571 Matching Results
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1,571
Demountable-Rim-Fasting Means.
Patent for Improvement to Demoutable-Rim-Fastening Means. This device will hold the rim in place.
Date:
July 20, 1920
Creator:
Spero, David Lawrence
System:
The Portal to Texas History
Device for Making Vessels Invisible.
Patent for improvements in "air and water craft" (line 13) invisible including illustrations. These improvements include invisibility through "plurality of plates or sections" (lines 18-19) and diffuse light, disguising the vessels.
Date:
July 15, 1919
Creator:
Chaddick, Mark
System:
The Portal to Texas History
Elbow-Joint for Artificial Arms
Patent for an elbow joint for artificial arms that can be manipulated by the wearer into any desired position.
Date:
July 23, 1918
Creator:
Corley, Quentin D.
System:
The Portal to Texas History
Detachable Fastener for Cylindrical Screens.
Patent for a more efficient and effective seeding device that can disconnect, reconnect, and fasten the ends of a strip of material to form a cylinder.
Date:
July 20, 1920
Creator:
Leach, William Logan
System:
The Portal to Texas History
Device for Unscrewing and Withdrawing Pipe.
Patent for a device for unscrewing and withdrawing pipe from wells, mines, or other similar uses. This tool is attached at the end of a drill stem and threaded in the ordinary right hand direction to unscrew and withdraw.
Date:
July 29, 1919
Creator:
Fletcher, Harold W.
System:
The Portal to Texas History
Device for Controlling the Flow of Fluid from Wells
Patent for device controlling fluid flow from wells which allows for drawing off oil where oil and water are both present in a reservoir.
Date:
July 30, 1918
Creator:
Summerrow, Edward D.
System:
The Portal to Texas History
Calendar
Patent for a calendar that has the ability to preserve pages of interest for future reference.
Date:
July 13, 1920
Creator:
Pennington, Emory G.
System:
The Portal to Texas History
Fuel-Supply Apparatus.
Patent for an improved fuel supply apparatus for liquid fuel.
Date:
July 5, 1919
Creator:
Guthrie, William S.
System:
The Portal to Texas History
Cotton-Harvester.
Patent for a cotton harvesting machine used for gathering the cotton from the plant, stripping the bolls or pods, and cleaning the cotton in one continuous operation during the traction of the harvester over a cotton field. This cotton harvester has a rotary picking member disposed forwardly and grabbing arms disposed rearwardly of the rotary picking arms. These rotary picking members are used for receiving the cotton gathered by the said picking arms and depositing it between two vertically operable crushers for crushing the bolls or pods preparatory to their passage into the ginning apparatus.
Date:
July 30, 1918
Creator:
Berry, Louis J.
System:
The Portal to Texas History
Cotton-Seed Linter
Patent for a new Cotton-Seed Linter (relates to a new and useful form of cotton seed linter) which operates efficiently in and about oil mills or other places where cotton seed is reduced to commercial products.
Date:
July 8, 1919
Creator:
Voorhies, Felix E.
System:
The Portal to Texas History
Cotton-Chopper Attachment for Cultivators.
Patent for improvements in cotton chopping attachments for cultivators that is relatively inexpensive that is highly useful in chopping and plowing cotton plan.
Date:
July 27, 1920
Creator:
Martin, William A. & Roebuck, Mathew P.
System:
The Portal to Texas History