Inventor · disambiguated record
John P. Hartley
Also filed as: HARTLEY JOHN P
4 granted patents·2 pending applications·30 citations·filing 2001–2010
75Inventor score
Files withJENARA ENTPR LTD5
Top patents by PatentIndex Score
6 records- 0175US8011347B2Apparatus and method for pressure relief in an exhaust brakeJENARA ENTPR LTD·Filed 2010·Granted Sep 6, 2011·4 cites·17 claims
- 0264US7765981B2Apparatus and method for pressure relief in an exhaust brakeJENARA ENTPR LTD·Filed 2004·Granted Aug 3, 2010·13 cites·67 claims
- 0361US7063099B2Exhaust gas control valve, apparatus and method of controlling exhaust gas flowJENARA ENTPR LTD·Filed 2005·Granted Jun 20, 2006·3 cites·4 claims
- 0458US6880572B2Exhaust gas control valve, apparatus and method of controlling exhaust gas flowJENARA ENTPR LTD·Filed 2003·Granted Apr 19, 2005·10 cites·26 claims
- 0532US2005224046A1Apparatus and method for retarding an engine with an exhaust brake and a compression release brakeJENARA ENTPR LTD·Filed 2003·Application pending·0 cites
- 0628US2003178002A1Apparatus and method to operate an engine exhaust brake together with an exhaust gas recirculation systemFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →