Patents by Inventor Henrik Ahrenfeldt

Henrik Ahrenfeldt 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: 6990787
    Abstract: Methods are known for conveying bags in the form of a continuous web such that they open at a suitable place during continuous conveyance and during maintenance of the open condition so they can be filled and sealed after closing. Prior art methods utilize complicated methods for retention. According to the invention, the bag web is suspended on horizontal studs mounted on carrier chains running in such a way that the bags open and a surrounding groove around the studs along the chains prevents the bags from falling off during passage of filling stations etc.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: January 31, 2006
    Assignee: Schur Packaging Systems A/S
    Inventors: Johannes Rasmussen, Henrik Ahrenfeldt
  • Publication number: 20040261372
    Abstract: Methods are known for conveying bags in the form of a continuous web such that they open at a suitable place during continuous conveyance and during maintenance of the open condition so they can be filled and sealed after closing. Prior art methods utilize complicated methods for retention. According to the invention, the bag web is suspended on horizontal studs mounted on carrier chains running in such a way that the bags open and a surrounding groove around the studs along the chains prevents the bags from falling off during passage of filling stations etc.
    Type: Application
    Filed: June 9, 2004
    Publication date: December 30, 2004
    Inventors: Johannes Rasmussen, Henrik Ahrenfeldt