Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145020 | Hydrogen utilization and carbon recovery | Mukund Karanjikar | 2018-12-04 |
| 9819036 | Method of plasma-catalyzed, thermally-integrated reforming | Joseph J. Hartvigsen, Piotr Czernichowski, Michele Hollist, Michael Boettcher | 2017-11-14 |
| 9666871 | Sulfur tolerant anode for solid oxide fuel cell | Joseph J. Hartvigsen | 2017-05-30 |
| 8826834 | Apparatus and method of electric arc incineration | Joseph J. Hartvigsen, Michele Hollist, Piotr Czernichowski | 2014-09-09 |
| 8728180 | Plasma-catalyzed, thermally-integrated reformer for fuel cell systems | Joseph J. Hartvigsen, Piotr Czernichowski, Michele Hollist, Michael Boettcher | 2014-05-20 |
| 8618436 | Apparatus and method of oxidation utilizing a gliding electric arc | Joseph J. Hartvigsen, Michele Hollist, Piotr Czernichowski | 2013-12-31 |
| 8153855 | Blasting system and blasting method | Kiyoshi Asahina, Masato Katayama, Ryusuke Kitamura, Joseph J. Hartvigsen | 2012-04-10 |
| 7976686 | Efficient reversible electrodes for solid oxide electrolyzer cells | Joseph J. Hartvigsen | 2011-07-12 |
| 7258820 | Ceramic mixed protonic/electronic conducting membranes for hydrogen separation | Balakrishnan Nair, Troy Small | 2007-08-21 |
| 6368739 | Joined solid oxide fuel cell stacks and method for fabricating same | Lyman Joseph Frost, Joseph J. Hartvigsen, Mark Timper, Dennis Øland Larsen | 2002-04-09 |
| 6265095 | Interconnect for solid oxide fuel cells | Joseph J. Hartvigsen, Ashok C. Khandkar | 2001-07-24 |
| 6224993 | Electrolyte for solid oxide fuel cells | Joseph J. Hartvigsen, Robert Phillip Merrill, Ashok C. Khandkar | 2001-05-01 |
| 6183897 | Via filled interconnect for solid oxide fuel cells | Joseph J. Hartvigsen, Ashok C. Khandkar | 2001-02-06 |
| 6099985 | SOFC anode for enhanced performance stability and method for manufacturing same | Ashok C. Khandkar | 2000-08-08 |
| 5958304 | Doped lanthanum chromite material for bipolar interconnects for solid oxide fuel cells | Ashok C. Khandkar, Christopher E. Milliken, Joseph J. Hartvigsen | 1999-09-28 |
| 5856035 | Electrical connector apparatus for planar solid oxide fuel cell stacks | Ashok C. Khandkar | 1999-01-05 |
| 5763114 | Integrated reformer/CPN SOFC stack module design | Ashok C. Khandkar | 1998-06-09 |
| 5712055 | Multi-stage fuel cell arrangement | Ashok C. Khandkar | 1998-01-27 |
| 5612149 | Fuel cell column heat exchanger mated module | Joseph J. Hartvigsen, Ashok C. Khandkar | 1997-03-18 |
| 5480738 | Fuel cell module | Ashok C. Khandkar, Joseph J. Hartvigsen | 1996-01-02 |
| 5376472 | Semi-internally manifolded interconnect | Joseph J. Hartvigsen, Ashok C. Khandkar, David W. Prouse | 1994-12-27 |
| 5298341 | Multiple stack ion conducting devices | Ashok C. Khandkar, Joseph J. Hartvigsen | 1994-03-29 |
| 5269902 | Ion-conducting module having axially-arranged solid state electrolyte elements | Ashok C. Khandkar | 1993-12-14 |