https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=85777&pn=2,646,711 Ratchet Wrench Patentee: Sylvan Yavner - Norfolk VA Granted:1953-07-28
Manufactured by Yavner Mfg. Co. - Norfolk VA

Ratchet action jaw component encompassed in an adjustable jaw open end wrench. Presented as an improvement to Yavner's prior patent 2,592,781. Corresponding Canadian patent CA-501,224 was published April 6, 1954. All three patent numbers appear on a known example of a ratchet action open end YAVNER Wrench. A social media post about the wrench noted Yavner (1914-2010) created a company to produce and market the wrench at Norfolk, VA. The specifications refer to 1,512,180; 2,565,154; 2,574,834 and 2,600,693 as relevant prior art.
This is one of 85,067 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85776&pn=501,224 Ratchet Wrench Patentee: Sylvan Ravner - Norfolk VA U.S.A. Granted:1954-04-06
Manufactured by Yavner Mfg. Co. - Norfolk VA U.S.A.

Canadian patent for an adjustable jaw ratcheting open end wrench corresponding to U.S. patent 2,646,711. Features of the patent appear in a known example of the YAVNER wrench.
This is one of 85,067 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85775&pn=2,592,781 Ratchet Wrench Patentee: Sylvan Yavner - Norfolk VA Granted:1952-04-15

"This invention relates to new and useful improvements in ratchet wrenches, and more particularly pertains to a ratchet wrench of the type having a fixed jaw and a retractible jaw that is spring-pressed into operative position, and it is the primary object of this invention to provide a ratchet wrench of this character in which the parts may be manufactured and assembled at an extremely low cost." The ratcheting component in this design is held in by side plates. The patent number together with 2,646,711 and CA-501,224 appears on a known example of the YAVNER Wrench.
This is one of 85,067 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=55051&pn=189,213,059 Wrenches Patentees: William Parker Fox - Sheffield England , Thomas Fox - Sheffield England Granted:1892-07-16
Manufactured by Fox Bros. - Sheffield England

Design with adjusting nut in the movable jaw working on a threaded shaft parallel to the main shank; the specifications include description of how the parts are assembled. Ron Geesin's "The Adjustable Spanner" shows two sizes of Fox Bros. DELPHI matching this design. An 1893 ad for Wm. MARPLES "ECLIPSE" lists seven sizes (6" through 18").
This is one of 85,067 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85769&pn=1,006,808 Liberating Cut-Off-Valve Gear Patentee: Nelson W. Twiss - New Haven, New Haven County CT Granted:1911-10-24
Manufactured by Nelson W. Twiss - New Haven, New Haven County CT


This is one of 85,067 patents currently in the database at datamp.org

]]>