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Hydraulic Swivel

Description: 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.
Item Type: Refine your search to only Patent

Mud-Guard

Description: Patent for a mud guard for two-wheeled vehicles such as bicycles and motorcycles. The purpose is to prevent mud or dirt from spattering on the rider.
Date: August 5, 1913
Creator: Humble, George L.
Item Type: Refine your search to only Patent

Oil-Tank.

Description: Patent for an oil tank with an improved design for extinguishing fires inside the tanks and a means for allowing the escape of exploded gases upon accidental ignition.
Date: February 9, 1915
Creator: Wasson, Edgar Allen & Cooley, Francis Marion
Item Type: Refine your search to only Patent

Tire.

Description: Patent for a cushioned tire which may be attached without special tools to an automobile wheel when the regular is flat or damaged. It can fold up for easy storage, and then attach to the wheel rim using hinges, rods, and sockets.
Date: November 7, 1911
Creator: Price, James Bain
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Pump

Description: Patent for pump that has "a valve chest which is formed of a single casting removably mounted on the pump cylinder, and carrying all the valves of the pump."
Date: October 24, 1916
Creator: Black, Lee J.
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Trace-Fastener

Description: Patent for a trace fastener for whippletrees. This is a device that "provide[s] a simple, efficient, reliable fastener which will when in use, at all times and under all circumstances, hold the trace in connection with the end of the whiffletree [sic] and which will prevent undue wear on the cockeye or hole in the end of the trace." (Lines 9-16)
Date: April 2, 1901
Creator: Nichols, Charlie M. & Burnett, Charles M.
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Mill-Carriage-Wheel Guard.

Description: Patent for a new mill-carriage-wheel guard "to prevent obstruction falling on the wheels or on the [railroad] track, this guard also carries scrapers in front and in rear and on each side of the wheel, whereby the obstructions are scraped off the track." (Lines 23-28) This guard can be used with a wood-working machine carriages and/or rail.” Illustration is included.
Date: April 28, 1891
Creator: Zimmerman, Joseph W.
Item Type: Refine your search to only Patent

Mining Sulfur.

Description: Patent for extracting sulfur that is being mined from the stratum that has the minerals. A fluid medium, such as air or a heated liquid, is forced into the stratum which assists with the elevation of the liquid mineral. As the minerals come up the heated tubes, the liquefied minerals are sent into vats.
Date: September 8, 1903
Creator: Higgins, Pattillo
Item Type: Refine your search to only Patent
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