Datamp.org Patents http://www.datamp.org/ Recently added patents en-us US Patent: 856,498 http://www.datamp.org/patents/displayPatent.php?id=52784&pn=856,498 Wrench Patentee: George H. Tatge - Randolph NE Granted:1907-06-11
Manufactured by Lightning Cylinder Wrench Co. - Lincoln NE

Offset socket wrench for threshing machine cylinder teeth. The socket is driven by a gear train; the construction accepts interchangeable sockets. Advertised in the fall of 1906 as the Tatge Lightning Cylinder Wrench; in March 1907 they were advertising 5,334 wrenches sold.
This is one of 52,373 patents currently in the database at datamp.org

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US Patent: D35,721 http://www.datamp.org/patents/displayPatent.php?id=22439&pn=D35,721 Threshing Machine Cylinder Tool Patentee: John Pankratz - Kansas City MO Granted:1902-02-11

The design incorporates a ratchet socket wrench head with a double offset handle. The end of the handle has slots typically designated as cylinder tooth straighteners. The specifications are written in terms of design rather than function. A 1906 THRESHERMEN'S REVIEW ad from the Kemper-Paxton Mercantile Co. of Kansas City shows the wrench selling for $3.50.
This is one of 52,373 patents currently in the database at datamp.org

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CA Patent: 368,653 http://www.datamp.org/patents/displayPatent.php?id=52742&pn=368,653 Bearing Patentee: Uncas A. Whitaker - Canton OH Granted:1937-09-14
Manufactured by Hoover Co., Ltd. - Hamilton ON Canada
Assigned to Hoover Co., Ltd. - Hamilton ON Canada


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US Patent: 1,358,809 http://www.datamp.org/patents/displayPatent.php?id=52760&pn=1,358,809 Dynamo-electric machine Patentee: Charles E. Wilson - Wilkinsburg PA Granted:1920-11-16
Manufactured by Westinghouse Electric & Manufacturing Co. - East Pittsburgh PA
Assigned to Westinghouse Electric & Manufacturing Co. - East Pittsburgh PA


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US Patent: 1,190,054 http://www.datamp.org/patents/displayPatent.php?id=42914&pn=1,190,054 Induction-motor Patentee: John B. Wiard - Lynn MA Granted:1916-07-04
Manufactured by General Electric Co. - Schenectady NY
Assigned to General Electric Co. - Schenectady NY

This patent date has been seen on a GE induction motor also carrying the patent date for 1,043,887.
This is one of 52,373 patents currently in the database at datamp.org

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