https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=85515&pn=198,943 Improvements in or relating to wrench attachments for hammers or other tools Patentee: Ernest Edward Cullen - New Baltimore MI U.S.A. Granted:1923-06-14

British patent corresponding to Canadian patent CA-231,926 and U.S. 1,501,586 for a "triple jaw" pipe wrench attachment for claw hammer. The "claw" portion of the hammer slips through a loop to hold the jaws on the end of the hammer. It was noted in contemporary U.S. trade journals.
This is one of 84,807 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85497&pn=686,776 Wrench Patentee: Thomas E. Smythe - Galion OH Granted:1901-11-19
Manufactured by Monarch Wrench Co. - St. Louis MO

"Slidable jaw wrench" with adjusting nut on a shaft extending from the movable jaw. The nut engages a rack on the shank, and can be lifted free for quick adjustment. A coil spring in the movable jaw provides pressure to keep the nut and rack engaged. Used by the Monarch Wrench Co. (St. Louis) for wrenches advertised to railroads in 1906.
This is one of 84,807 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85514&pn=199,045 Improvements in wrenches Patentee: William Gordon - Union NJ U.S.A. Granted:1924-09-11
Manufactured by Automatic Wrench Corp. of America - Union NJ U.S.A.

Combination quick & screw adjust open end wrench corresponding to U.S. patent 1,501,903. This entry based in part in provisional publication in 1923 ABRIDGMENTS OF SPECIFICATIONS. Produced as the GORDON AUTOMATIC by the Automatic Wrench Corp. of America (West New York, NJ).
This is one of 84,807 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85513&pn=231,927 Spud Wrench Patentee: Charles G. Tengdin - Kankakee IL U.S.A. Granted:1923-06-12
Assigned to Oscar E. Tengdin Jr. - Kankakee IL U.S.A.

Canadian patent corresponding to U.S. patent 1,369,143, for an expanding wrench to grip the interior surfaces of cylindrical "spuds, thimbles, etc."
This is one of 84,807 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=31900&pn=1,236,138 Hand Tool Patentee: William Alexander Bernard - New Haven CT Granted:1917-08-07
Assigned to William Schollhorn Co. - New Haven CT

The main focus of the patent is the pivot pin for a slip-joint pliers. The head is recessed in a slot and the other end is riveted in a countersink with fluted sides. The patent was used by Schollhorn and successor companies for smooth-sided slip-joint pliers. For example, a 1930 hardware catalog shows it on different UTICA pliers.
This is one of 84,807 patents currently in the database at datamp.org

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