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10 Matching Results
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Lawn Mower
Patent for a lawn mower in which the means for adjusting the intermediate blade has been created so that a groove for a predetermined depth can be cut, and easy removal of the blade when it is desired to sharpen the same. Additionally, a ground-engaging roller is included to keep the machine at the same level so that the knife will cut into the ground at an even depth.
Date:
December 5, 1919
Creator:
Coniglio Carmelo
System:
The Portal to Texas History
Lubricating Appara
Patent for a lubricating apparatus used for internal combustion engines, whereby the lubricant or oil is forced, as by a pump, to a distributing tank containing oil under predetermined pressure, and from said tank permitted to drop by gravity or flow under pressure, as desired, to the elements of the engine to be lubricated.
Date:
December 12, 1916
Creator:
Shaw, Robert J.
System:
The Portal to Texas History
Improving Oils.
Patent for a method of improving the quality of more volatile petroleum oils, such as gasoline and burning oils.
Date:
December 23, 1919
Creator:
McAfee, Almer M.
System:
The Portal to Texas History
Hydraulic Swivel
Patent for the hydraulic swivel. This is an improvement to the hydraulic swivel that already exists. It involves "the rotary well-drilling machines, to permit the flow of water to the point of the drill." (Black)
Date:
December 1, 1914
Creator:
Black, Lee J.
System:
The Portal to Texas History
Smoke-Separator.
Patent for "a new and improved smoke separator designed for use in connection with smelter furnaces and other apparatus, and arranged to effectively prevent poisonous or obnoxious gases from passing into the atmosphere, at the same time retaining and saving valuable matter contained in the smoke" (lines 9-16); including instructions and illustrations.
Date:
December 9, 1913
Creator:
Holmes, Clayton Floyd
System:
The Portal to Texas History
Expanding Device For Can Bumping Presses
Patent for expanding device for can bumping presses including the illustrations.
Date:
December 14, 1915
Creator:
Drake, Rollin L.
System:
The Portal to Texas History
Ice-Making Apparatus
Patent for an ice-making apparatus that both cools the brine and makes the ice.
Date:
December 31, 1912
Creator:
Bell, Samuel Robert
System:
The Portal to Texas History
Refrigerating Machine.
Patent for a refrigerating machine that works with a double jacketed brine cylinder with a self-contained expansion tank for the coolant. It is meant to provide cooling with small displacement of the cylinder, but with great circulation of the brine.
Date:
December 31, 1918
Creator:
Bell, Samuel R.
System:
The Portal to Texas History
Fastening and Releasing Device for Logging-Car Chains.
Patent for a fastening and releasing device for logging car chains that is strong and easy to use.
Date:
December 27, 1910
Creator:
Proctor, Joseph W.
System:
The Portal to Texas History
Heel-Sweep.
Patent for a "heel sweep for a plow. The invention aims to provide a sweep which will possess great strength..."
Date:
December 16, 1919
Creator:
Kelly, George Dudley
System:
The Portal to Texas History