Patents by Inventor Robert von Rummelhoff

Robert von Rummelhoff 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).

  • TELESCOPIC CANNING SLEEVE FOR FORMING VOIDS IN CONCRETE SLABS
    Publication number: 20130020460
    Abstract: A two-piece cylindrical telescopic canning sleeve comprising an inner lower member and an upper outer member. The outer member is provided with at least one set of a plurality of engagement devices. The inner lower member is provided with at least one set of a plurality of engagement devices complimentary to the engagement devices provided with the outer member. The telescopic canning sleeve is assembled for use by aligning the engagement devices of the outer member with the engagement devices of the lower member, then sliding the outer member over the inner member until the desired functional height of the canning sleeve is reached after which, the outer member is frictionally engaged with the inner member by twisting the outer sleeve member to the inner member so that the complimentary engagement devices frictionally communicate.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 24, 2013
    Applicant: KANEX PATENTS LTD.
    Inventor: Robert VON RUMMELHOFF
  • TELESCOPIC CANNING SLEEVE FOR FORMING VOIDS IN CONCRETE SLABS
    Publication number: 20110036038
    Abstract: A two-piece cylindrical telescopic canning sleeve comprising an inner lower member and an upper outer member. The outer member is provided with at least one set of a plurality of engagement devices. The inner lower member is provided with at least one set of a plurality of engagement devices complimentary to the engagement devices provided with the outer member. The telescopic canning sleeve is assembled for use by aligning the engagement devices of the outer member with the engagement devices of the lower member, then sliding the outer member over the inner member until the desired functional height of the canning sleeve is reached after which, the outer member is frictionally engaged with the inner member by twisting the outer sleeve member to the inner member so that the complimentary engagement devices frictionally communicate.
    Type: Application
    Filed: January 4, 2007
    Publication date: February 17, 2011
    Inventor: Robert von Rummelhoff