Patents by Inventor Michel M. Herman

Michel M. Herman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Device for removing and/or re-installing manhole lids on an apparatus under pressure
    Patent number: 4313709
    Abstract: An integral and rapid device in which means are arranged for permitting both to support a stud tightening machine and the lids and to accurately position the tightening machine relative to each manhole and the studs. This device is particularly useful for removing and re-installing manhole lids in a nuclear apparatus.
    Type: Grant
    Filed: March 23, 1979
    Date of Patent: February 2, 1982
    Inventor: Michel M. Herman