John E. Hofmann — 12 Patents at Clean Diesel Technologies

John E. Hofmann has been granted 12 US patents while listed as an inventor at Clean Diesel Technologies. The first was granted in 1990 and the most recent in March 2002. John E. Hofmann ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list John E. Hofmann in Stamford, CT, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
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	$1,952,000
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

John E. Hofmann — 12 Patents

Issued Patents All Time

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