Patents by Inventor Dean Laurent Leonard

Dean Laurent Leonard 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: 6984256
    Abstract: An operational state of a system for filtering imaging by-products from an airflow is monitored by comparing a measurement of the flow rate of the airflow to a threshold. Additionally, an operational state of a filtration element is monitored by accumulating a count indicative of the remaining capacity of the filtration element in a memory device coupled to the filtration element.
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: January 10, 2006
    Assignee: Creo Inc.
    Inventors: Anton W. Lamprecht, Dean Laurent Leonard, William John Dall, David Bruce Burgess, Alexander Kheifets
  • Publication number: 20040055464
    Abstract: An operational state of a system for filtering imaging by-products from an airflow is monitored by comparing a measurement of the flow rate of the airflow to a threshold. Additionally, an operational state of a filtration element is monitored by accumulating a count indicative of the remaining capacity of the filtration element in a memory device coupled to the filtration element.
    Type: Application
    Filed: June 30, 2003
    Publication date: March 25, 2004
    Applicant: Creo Inc.
    Inventors: Anton W. Lamprecht, Dean Laurent Leonard, William John Dall, David Bruce Burgess, Alexander Kheifets