Patents by Inventor Christopher John Herman

Christopher John Herman 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).

  • Quick disconnect for wetted parts in a paint spray gun
    Patent number: 7891588
    Abstract: Apparatus and method for quickly disconnecting a wetted parts subassembly from a paint spray gun wherein the wetted parts subassembly includes a spray tip, pump cylinder and piston and paint cup components including a pump housing cylinder support carrying the pump cylinder and having a pair of protrusions formed on a pump housing cylinder support, a frame having a pair of slots aligned to receive the protrusions when the pump housing cylinder support is received in the frame, a locking lever pivotably attached to the frame adjacent at least one of the slots and movable between a latched position wherein the pump housing cylinder support is retained to the frame, and an unlatched position wherein the pump housing cylinder support is removable from the frame. A passive retention feature frictionally engages the wetted parts subassembly with the frame when the wetted parts subassembly is received in the frame.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: February 22, 2011
    Assignee: Wagner Spray Tech Corporation
    Inventors: Michael B. Jones, Richard Paul Anderson, Allen Arden Caldwell, Brian David Denker, Charles Thomas Graves, Christopher John Herman, Robert Ernest Miller, Lance Talbot Molby
  • QUICK DISCONNECT FOR WETTED PARTS IN A PAINT SPRAY GUN
    Publication number: 20070278787
    Abstract: Apparatus and method for quickly disconnecting a wetted parts subassembly from a paint spray gun wherein the wetted parts subassembly includes a spray tip, pump cylinder and piston and paint cup components including a pump housing cylinder support carrying the pump cylinder and having a pair of protrusions formed on a pump housing cylinder support, a frame having a pair of slots aligned to receive the protrusions when the pump housing cylinder support is received in the frame, a locking lever pivotably attached to the frame adjacent at least one of the slots and movable between a latched position wherein the pump housing cylinder support is retained to the frame, and an unlatched position wherein the pump housing cylinder support is removable from the frame.
    Type: Application
    Filed: May 31, 2006
    Publication date: December 6, 2007
    Applicant: WAGNER SPRAY TECH CORPORATION
    Inventors: Michael B. Jones, Richard Paul Anderson, Allen Arden Caldwell, Brian David Denker, Charles Thomas Graves, Christopher John Herman, Robert Ernest Miller, Lance Talbot Molby
  • Medical device delivery handle
    Patent number: D387863
    Type: Grant
    Filed: July 22, 1996
    Date of Patent: December 16, 1997
    Assignee: Microvena Corporation
    Inventors: Christopher John Herman, Francis Clair Peterson, Thomas Gerald Skulley