Patents by Inventor Jean P. Pellissier

Jean P. Pellissier 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: 5189855
    Abstract: The invention provides a foundation raft for supporting a structure such as a low rise building on soil which is prone to heaving or settling. The raft has a pair of foundation slabs, of set cementitious material which are spaced apart by a plurality of upwardly extending webs. The webs are fast with the slabs. Each slab has a thickness A of 50-200 mm; the slabs are spaced apart by a spacing B of 100-1500 mm; and each web has a thickness C of 0.2-400 mm.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: March 2, 1993
    Assignee: CSIR
    Inventors: Antony A. B. Williams, Jean P. Pellissier, Brian G. Lunt