Patents by Inventor Steven R. Salmons

Steven R. Salmons 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).

  • Air flow control apparatus
    Patent number: 8267666
    Abstract: An apparatus includes a valve housing having an inlet port, a first chamber with a first outlet port, and a second chamber with a second outlet port. A first valve opens between the inlet port and the first chamber under a first level of pneumatic pressure at the inlet port. A second valve opens between the first chamber and the second chamber under a second, greater level of pneumatic pressure in the first chamber. A third valve opens between the second chamber and the first chamber under a third level of pneumatic pressure in the second chamber, with the third level being less than the first level.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: September 18, 2012
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: Christopher Gruber, David O. Shumate, James W. Happe, Jr., Steven R. Salmons, Jeffrey P. VanHorn
  • Air Flow Control Apparatus
    Publication number: 20110033313
    Abstract: An apparatus includes a valve housing having an inlet port, a first chamber with a first outlet port, and a second chamber with a second outlet port. A first valve opens between the inlet port and the first chamber under a first level of pneumatic pressure at the inlet port. A second valve opens between the first chamber and the second chamber under a second, greater level of pneumatic pressure in the first chamber. A third valve opens between the second chamber and the first chamber under a third level of pneumatic pressure in the second chamber, with the third level being less than the first level.
    Type: Application
    Filed: March 9, 2010
    Publication date: February 10, 2011
    Inventors: Christopher Gruber, David O. Shumate, James W. Happe, JR., Steven R. Salmons, Jeffrey P. VanHorn