https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=85390&pn=190,518,911 Improvements in Pipe-wrenches Patentee: Granted:1906-06-14

British patent corresponding to U.S. 868,127, for improvements to the IRLAND pipe wrench. Richards styles himself "Manufacturer" in the application. The U.S. patent was assigned to the IRLAND PIPE WRENCH Co. (incorporated in Maine, with offices in Boston).
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]]> https://www.datamp.org/patents/displayPatent.php?id=44821&pn=928,167 Wrench Patentee: George C. Winslow - Kalamazoo MI Granted:1909-07-13
Manufactured by George C. Winslow - Kalamazoo MI

Screw adjust pipe wrench with alternate jaw forms; the resilient jaw coating form is non-marring for smooth and bright finish pipe. Ken Cope's "American Wrench Makers 1830-1930" notes a 1909 article about the wrench in AMERICAN MACHINIST. A known example is marked WINSLOW KALAMAZOO WRENCH 14 / PAT SEPT. 10, 1907 - APR. 21, 1908. The 1907 date refers to Winslow's patent no. 865,553; the 1908 date to 885,120.
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]]> https://www.datamp.org/patents/displayPatent.php?id=85389&pn=885,120 PIPE-WRENCH Patentee: George C. Winslow - Kalamazoo MI Granted:1908-04-21

Quick adjust; the 2nd of 3 patents related to a screw-adjusting pipe wrench marked "WINSLOW'S KALAMAZOO WRENCH 14 / PAT SEPT. 10, 1907 - APR. 21, 1908 " - the others being 865,553 and 928,167.
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]]> https://www.datamp.org/patents/displayPatent.php?id=85386&pn=190,605,774 Improved Construction of Wrench or Spanner. Patentee: Charles Alfred Hunton - London GB Granted:1906-07-05

"The improved construction of wrench or spanner consisting of two shanks carrying the jaws, one havinga mortice and the other a tenon throughout the whole or a portion of their length, so that they can be dovetailed together, a long slot in one shank and a short slot in the other shank, a screw rod inserted in the hole of one shank, a nut encircling such screw rod and situate in the slots of each shank, which nut when operated, moves the shanks lengthwise with each other, substantially as set forth." Corresponding U.S. patent 838,414 was granted Dec. 11, 1906. Ron Geesin's entry for Hunton in THE ADJUSTABLE SPANNER shows an example, cites a catalog listing, and notes his later products.
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]]> https://www.datamp.org/patents/displayPatent.php?id=84944&pn=125,534 Verfahren Und Einrichtung Zur Erzeugung Von Nach Zyklischen Kurven Gewölbten Flächen an Werkstücken Patentee: none listed - Munich, Munich District Bavaria, Germany Granted:1928-04-16
Assigned to Friedrich Deckel Praezisions Mechanik und Maschinenbau - Munich, Munich District Bavaria, Germany


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