Patents by Inventor Lawrence C. GRUMER

Lawrence C. GRUMER 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).

  • Patent number: 9303628
    Abstract: The present disclosure provides for improved systems, apparatus and methods whereby electrical energy may be generated by the action of the user of the apparatus while, for example, walking, running or other activity that places the user's weight alternately on each heel and/or toe in sequence.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: April 5, 2016
    Inventor: Lawrence C. Grumer
  • Publication number: 20150076832
    Abstract: The present disclosure provides for improved systems, apparatus and methods whereby electrical energy may be generated by the action of the user of the apparatus while, for example, walking, running or other activity that places the user's weight alternately on each heel and/or toe in sequence.
    Type: Application
    Filed: November 7, 2014
    Publication date: March 19, 2015
    Applicant: ENERGY HARVESTERS LLC
    Inventors: John D. Fortier, Lawrence C. Grumer
  • Publication number: 20130033042
    Abstract: The present disclosure provides for improved systems, apparatus and methods whereby electrical energy may be generated by the action of the user of the apparatus while, for example, walking, running or other activity that places the user's weight alternately on each heel and/or toe in sequence.
    Type: Application
    Filed: August 3, 2012
    Publication date: February 7, 2013
    Applicant: ENERGY HARVESTERS LLC
    Inventors: John Douglas FORTIER, Lawrence C. GRUMER