Inventor
HARTLEY JOHN P
US4 patents
Patents
4 patentsUS7765981B2Aug 3, 2010
Apparatus and method for pressure relief in an exhaust brake
JENARA ENTPR LTD13 citations79
US6880572B2Apr 19, 2005
Exhaust gas control valve, apparatus and method of controlling exhaust gas flow
JENARA ENTPR LTD10 citations68
US8011347B2Sep 6, 2011
Apparatus and method for pressure relief in an exhaust brake
JENARA ENTPR LTD4 citations57
US7063099B2Jun 20, 2006
Exhaust gas control valve, apparatus and method of controlling exhaust gas flow
JENARA ENTPR LTD3 citations57