Patents by Inventor Ron Crabtree

Ron Crabtree 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).

  • Integrated environmental control system and humidification system
    Patent number: 6375849
    Abstract: In an aircraft, tap water is filtered, vaporized and injected into a trim line of an environmental control system. Filtering is performed by a reverse osmosis filter. Hot, humidified air leaving the trim line is supplied to a cabin of the aircraft.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: April 23, 2002
    Assignee: AlliedSignal Inc.
    Inventors: Ron Crabtree, Jim Beals, Gary Kumagai, Robert Tom, Stan Pollitt