John G Nunan
Inventor
Stats
- 17 US patents issued
- 24 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 17 US Patents Issued
- 24 US Applications Filed
- 589 Total Citation Count
- Dec 8, 2021 Most Recent Filing
- Aug 31, 1990 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| ASEC MANUFACTURING GENERAL PARTNERSHIP | 1
2 | 1990
1998 |
| UMICORE AG & CO. KG | 1
1 4 3 3 3 6 4 2 | 1997
1998 2003 2004 2006 2009 2010 2011 2012 |
| ALLIED-SIGNAL INC. | 1
| 1990
|
Inventor Addresses
| Address | Duration |
|---|---|
| Palatine, IL | Nov 12, 91 - Nov 12, 91 |
| Tulsa, OK | Nov 02, 99 - Feb 14, 08 |
| Tulsa, OK, US | Sep 25, 03 - May 19, 22 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| A62D: | CHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS | 1 |
| B01D: | SEPARATION | 13 |
| B01J: | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS | 21 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 2022/0152,591 | 2022 | LAYERED TWC | 0 |
| 11331651 | 2022 | Three-way catalyst | 1 |
| 11224861 | 2022 | Layered TWC | 1 |
| 2021/0379,567 | 2021 | LAYERED TWC | 0 |
| 2021/0213,425 | 2021 | THREE-WAY-CATALYST | 3 |
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