Patents by Inventor Ron Chappell

Ron Chappell 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).

  • Backdraft damper having damper blades with opposed movement linkage
    Patent number: 11466892
    Abstract: A backdraft damper for permitting a flow of air in an outflow direction and preventing the flow of air in a backdraft direction, including a frame having a transverse opening allowing the passage of air through the frame; a plurality of blades, each blade extending across the frame and mounted to the frame about a central portion by pivot members, for rotation between an open position in which the blade allows air to flow through the frame and a closed position in which the blade blocks air from flowing through the frame, the plurality of blades including one or more first blades arranged to rotate in a first direction from the closed position to the open position; one or more second blades arranged to rotate in a second direction opposite to the first direction from the closed position to the open position; the backdraft damper further including a linkage between the one or more first blades and the one or more second blades to cause the first and second blades to together rotate between the closed and open
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: October 11, 2022
    Assignee: T. A. Morrison & Co Inc.
    Inventors: Stephen Dane Carey, Ron Chappell
  • BACKDRAFT DAMPER HAVING DAMPER BLADES WITH OPPOSED MOVEMENT LINKAGE
    Publication number: 20210018217
    Abstract: A backdraft damper for permitting a flow of air in an outflow direction and preventing the flow of air in a backdraft direction, including a frame having a transverse opening allowing the passage of air through the frame; a plurality of blades, each blade extending across the frame and mounted to the frame about a central portion by pivot members, for rotation between an open position in which the blade allows air to flow through the frame and a closed position in which the blade blocks air from flowing through the frame, the plurality of blades including one or more first blades arranged to rotate in a first direction from the closed position to the open position; one or more second blades arranged to rotate in a second direction opposite to the first direction from the closed position to the open position; the backdraft damper further including a linkage between the one or more first blades and the one or more second blades to cause the first and second blades to together rotate between the closed and open
    Type: Application
    Filed: September 24, 2020
    Publication date: January 21, 2021
    Inventors: Stephen Dane Carey, Ron Chappell
  • Backdraft damper having damper blades with opposed movement linkage
    Patent number: 10816237
    Abstract: A backdraft damper for permitting a flow of air in an outflow direction and preventing the flow of air in a backdraft direction, including a frame having a transverse opening allowing the passage of air through the frame; a plurality of blades, each blade extending across the frame and mounted to the frame about a central portion by pivot members, for rotation between an open position in which the blade allows air to flow through the frame and a closed position in which the blade blocks air from flowing through the frame, the plurality of blades including one or more first blades arranged to rotate in a first direction from the closed position to the open position; one or more second blades arranged to rotate in a second direction opposite to the first direction from the closed position to the open position; the backdraft damper further including a linkage between the one or more first blades and the one or more second blades to cause the first and second blades to together rotate between the closed and open
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: October 27, 2020
    Assignee: T.A. Morrison & Co. Inc.
    Inventors: Stephen Dane Carey, Ron Chappell
  • BACKDRAFT DAMPER HAVING DAMPER BLADES WITH OPPOSED MOVEMENT LINKAGE
    Publication number: 20190056141
    Abstract: A backdraft damper for permitting a flow of air in an outflow direction and preventing the flow of air in a backdraft direction, including a frame having a transverse opening allowing the passage of air through the frame; a plurality of blades, each blade extending across the frame and mounted to the frame about a central portion by pivot members, for rotation between an open position in which the blade allows air to flow through the frame and a closed position in which the blade blocks air from flowing through the frame, the plurality of blades including one or more first blades arranged to rotate in a first direction from the closed position to the open position; one or more second blades arranged to rotate in a second direction opposite to the first direction from the closed position to the open position; the backdraft damper further including a linkage between the one or more first blades and the one or more second blades to cause the first and second blades to together rotate between the closed and open
    Type: Application
    Filed: August 17, 2018
    Publication date: February 21, 2019
    Inventors: Stephen Dane Carey, Ron Chappell