https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=59214&pn=388,007 Clamp Screw Patentee: Pardon A. Whitney - Southington CT Granted:1888-08-14
Manufactured by Peck, Stow & Wilcox Co. - Southington CT

Malleable "wing nut" type head pinned to a steel screw; this makes a more durable screw for "C" or bar clamps. This improvement was incorporated into clamps produced by Peck, Stow & Wilcox, including "C" clamps with bodies corresponding to design patent D18,376 and patent 385,983. -- See DATAMP entry for D18,376 for photos, 1890 product description, etc. The patent date appears in some adjusting screws corresponding to this patent.
This is one of 84,955 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=72459&pn=217,097 Improvements in or relating to adjustable spanners Patentee: Alfred Harry Faram - London England Granted:1924-06-12
Manufactured by Hughes-Johnson Stampings, Ltd. - Langley Green, Worcestershire England

The patent claims the design of the movable jaw. Ron Geesin's THE ADJUSTABLE SPANNER identifies several manufacturers that produced self-adjusting wrenches based on this patent. The product was called UNIVERSAL by some of those manufacturers. An AMERICAN MACHINIST item on AMBROSE SHARDLOW notes three sizes ca. 1925-1926.
This is one of 84,955 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85664&pn=346,603 Screw Driver Patentees: William F. Patterson - Boston MA , Henry B. Stillman - New York NY Granted:1886-08-03


This is one of 84,955 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85663&pn=406,605 Carpenters Plane Patentee: Reinhard T. Torkelson - Worchester MA Granted:1899-07-09
Assigned to Iver Johnson - Worchester MA

Torkelson states in the patent, "My said invention relates to improvements upon the carpenters plane patented by O. R. Chaplin in the United States under date of May 7, 1872, 126519, and it consists of improvements in the construction of the cutter and cap, as hereinafter set forth."
This is one of 84,955 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85660&pn=39 Water Filter Patentee: Moody Park - Madison, Jefferson County IN Granted:1836-10-04

Abstract: method of generating steam, the lime, earthy substances, &c., contained in the water, are deposited, and adhere around the inner surface of the boiler, thus not only requiring it to be frequently emptied, and cleaned but the accumulation of the lime, earth, or sediment within the boiler prevents the water from doing its office of protecting it by conveying of the heat into the water, but by this accumulation of sediment the boiler is rendered liable to be burnt out in a short time. Claim: The method of purifying water before it enters the boiler, by means of the before described apparatus.
This is one of 84,955 patents currently in the database at datamp.org

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