John E Hofmann
Inventor
Stats
- 12 US patents issued
- 13 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 12 US Patents Issued
- 13 US Applications Filed
- 504 Total Citation Count
- Jun 17, 2005 Most Recent Filing
- Sep 12, 1989 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| FOSTER WHEELER ENERGIA OY | 1
| 1990
|
| FUEL TECH, INC. | 1
2 1 | 1989
1990 1992 |
| Nalco Fuel Tech | 1
1 1 | 1991
1994 1995 |
| NALCO FUEL TECH, A DE GENERAL PARTNERSHIP | 1
| 1990
|
| TABULA (ASSIGNMENT FOR THE BENEFIT OF CREDITORS), LLC | 1
| 1997
|
| CLEAN DIESEL TECJHNOLOGIES, INC. | 1
| 1997
|
| CLEAN DIESEL TECHNOLOGIES, INC. | 3
1 1 | 1997
1999 2005 |
Inventor Addresses
| Address | Duration |
|---|---|
| Naperville, IL | Sep 17, 91 - Mar 26, 02 |
| Stamford, CT | Dec 18, 90 - Mar 05, 91 |
| Watchung, NJ, US | Jan 01, 09 - Jan 01, 09 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B01D: | SEPARATION | 4 |
| B01J: | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS | 5 |
| C01B: | NON-METALLIC ELEMENTS; COMPOUNDS THEREOF | 9 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 2009/0004,083 | 2009 | NOx control for IC engines | 23 |
| 6361754 | 2002 | Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction | 73 |
| 6203770 | 2001 | Urea pyrolysis chamber and process for reducing lean-burn engine NOx emissions by selective catalytic reduction | 72 |
| 5976475 | 1999 | Reducing NO.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction | 119 |
| 5968464 | 1999 | Urea pyrolysis chamber and process for reducing lean-burn engine NO.sub.x emissions by selective catalytic reduction | 71 |
We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level.
>
Upgrade to our Level for up to -1 portfolios!.