JH

John E. Hofmann

CT Clean Diesel Technologies: 4 patents #8 of 28Top 30%
FT Fuel Tech: 4 patents #16 of 60Top 30%
NT Nalco Fuel Tech: 4 patents #5 of 27Top 20%
Overall (All Time): #427,542 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6361754 Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction Jeremy D. Peter-Hoblyn, Eric N. Balles 2002-03-26
6203770 Urea pyrolysis chamber and process for reducing lean-burn engine NOx emissions by selective catalytic reduction Jeremy D. Peter-Hoblyn, Eric N. Balles, Theodore J. Tarabulski, James M. Valentine 2001-03-20
5976475 Reducing NO.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction Jeremy D. Peter-Hoblyn, Eric N. Balles, Theodore J. Tarabulski 1999-11-02
5968464 Urea pyrolysis chamber and process for reducing lean-burn engine NO.sub.x emissions by selective catalytic reduction Jeremy D. Peter-Hoblyn, Eric N. Balles, Theodore J. Tarabulski, James M. Valentine 1999-10-19
5658547 Simplified efficient process for reducing NO.sub.x, SO.sub.x, and particulates Stanislaw Michalak, Joseph R. Comparato 1997-08-19
5543123 Low pressure formation of a urea hydrolysate for nitrogen oxides reduction Thure von Harpe, Daniel V. Diep, M. Linda Lin 1996-08-06
5286467 Highly efficient hybrid process for nitrogen oxides reduction William H. Sun, M. Linda Lin 1994-02-15
5229090 Process for nitrogen oxides reduction to lowest achievable level William H. Sun 1993-07-20
5139754 Catalytic/non-catalytic combination process for nitrogen oxides reduction Bryan K. Luftglass, William H. Sun 1992-08-18
5048432 Process and apparatus for the thermal decomposition of nitrous oxide William H. Sun 1991-09-17
4997631 Process for reducing nitrogen oxides without generating nitrous oxide Barry N. Sprague, William H. Sun 1991-03-05
4978514 Combined catalytic/non-catalytic process for nitrogen oxides reduction William H. Sun, Bryan K. Luftglass 1990-12-18