Resource Type
Counties
5 Matching Results
Results open in a new window/tab.
Results:
1 - 5 of
5
Coaling Device.
Patent for coal colliers that breaks the coal into small pieces and lifts the coal to pour the coal into the ship's bunkers.
Date:
June 22, 1920
Creator:
Buchanan, Stewart Harold
System:
The Portal to Texas History
Burner.
Patent for improvements in burners to allow them to use liquid fuel such as oil.
Date:
June 1, 1920
Creator:
Placette, Joeseph G.
System:
The Portal to Texas History
Float-Controlled Liquid-Gaging and Cut-Off Means.
Patent for an automatic cut off device for oil tanks that indicates the amount of water in an oil tank and will automatically close the discharge opening when all the water has been discarded from the tank.
Date:
June 29, 1920
Creator:
Waldrep, Granville J.
System:
The Portal to Texas History
Shocker.
Patent for improving automatic grain shockers and cappers by adding adapted frames, with illustrations.
Date:
June 15, 1920
Creator:
Groves, Charles H.
System:
The Portal to Texas History
Rotary Drilling-Machine.
Patent for well drilling rigs also known as rotaries that provides a new way for controlling the slips that eliminates all danger of injury to workers.
Date:
June 1, 1920
Creator:
Black, Lee J.
System:
The Portal to Texas History