DATAMP

Tool related patents are entered at datamp.org (Directory of American Tool and Machinery Patents) by a handful of volunteers. Below are the five most recently added patents. There is information about joining in on the fun at the bottom of http://www.datamp.org/ This page is automatically refreshed every six hours. As mentioned on the Patent Searching page, one of easiest ways to find a tool patent is to look for it in datamp. With any luck someone will have already found the patent you are looking for and entered it at datamp.org.

 

 

 
Datamp.org Patents
Recently added patents
  • GB Patent: 182,900,001
    Improved sawing apparatus Patentee: Mr. M'Duff - London England Granted:1829-01-01

    This patent's exact number, month and day are placeholders; all we know for sure is the patent year, title, and inventor's surname. We also have an illustration and description of the invention due to an 1830 article on the awarding of the "Dr. Fellowes' Annual Prize". This patent is the earliest known scrollsaw for doing fine work. It won the Dr. Fellowes' Annual Prize on 1829-12-02 for "the best machine invented by a Working Member of the London Mechanics' Institution". The machine is a lathe attachment for performing "Boulle work".
    This is one of 55,986 patents currently in the database at datamp.org

  • NF Patent: 23
    Diving-bell Patentee: Benjamin Maillefert - Astoria NY Granted:1860-08-28

    See US patent 19,785.
    This is one of 55,986 patents currently in the database at datamp.org

  • US Patent: 1,678,129
    Tap changer Patentee: George H. Tuttle - Warren OH Granted:1928-07-24
    Manufactured by Packard Electric Co. - Warren OH
    Assigned to Packard Electric Co. - Warren OH


    This is one of 55,986 patents currently in the database at datamp.org

  • US Patent: 1,573,904
    Switch-actuating mechanism Patentee: Christian N. Bergmann - Pittsburgh PA Granted:1926-02-23
    Manufactured by Packard Electric Co. - Warren OH
    Assigned to Packard Electric Co. - Warren OH


    This is one of 55,986 patents currently in the database at datamp.org

  • US Patent: 1,534,282
    Electric motor Patentee: Granville F. Packard - Wilkinsburg PA Granted:1925-04-21


    This is one of 55,986 patents currently in the database at datamp.org



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