Patents by Inventor Neil Douglas Cottingham

Neil Douglas Cottingham 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: 6401802
    Abstract: A heat-recovery unit includes an outer housing and a heat-recovery cell with two separate air passages therethrough opening on faces of the cell. The upstream face of each passage is adjacent and inclined at 90° to the downstream face of the other passage. A turret on the housing at each inlet and outlet is rotatable about its axis and has an angled coupling rotatable on the turret about an axis at right-angles to the axis of the turret. The inlet, upstream turrets each contain a filter and the outlet, downstream turrets each contain a centrifugal fan.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: June 11, 2002
    Assignee: Smiths Group PLC
    Inventor: Neil Douglas Cottingham
  • Publication number: 20010025700
    Abstract: A heat-recovery unit includes an outer housing and a heat-recovery cell with two separate air passages therethrough opening on faces of the cell. The upstream face of each passage is adjacent and inclined at 90 ° to the downstream face of the other passage. A turret on the housing at each inlet and outlet is rotatable about its axis and has an angled coupling rotatable on the turret about an axis at right-angles to the axis of the turret. The inlet, upstream turrets each contain a filter and the outlet, downstream turrets each contain a centrifugal fan.
    Type: Application
    Filed: March 16, 2001
    Publication date: October 4, 2001
    Applicant: Smiths Group PLC
    Inventor: Neil Douglas Cottingham