Narayanan; Sekharipuram R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Narayanan; Sekharipuram R..The latest application filed is for "direct methanol fuel cell operable with neat methanol".
Company Profile
0.32.30
- Narayanan; Sekharipuram R. - Arcadia CA
- Narayanan; Sekharipuram R. - Altadena CA
- Narayanan; Sekharipuram R. - Altadens CA
- Narayanan; Sekharipuram R. - St. Altadena CA
Patent Activity
| Patent | Date |
|---|---|
| Direct Methanol Fuel Cell Operable With Neat Methanol App 20140255807 - Narayanan; Sekharipuram R. ; et al. | 2014-09-11 |
| IR-doped ruthenium oxide catalyst for oxygen evolution Grant 8,183,174 - Valdez , et al. May 22, 2 | 2012-05-22 |
| Ir-doped Ruthenium Oxide Catalyst For Oxygen Evolution App 20100089745 - Valdez; Thomas I. ; et al. | 2010-04-15 |
| Low Pt content direct methanol fuel cell anode catalyst: nanophase PtRuNiZr Grant 7,695,849 - Narayanan , et al. April 13, 2 | 2010-04-13 |
| Low Pt content direct methanol fuel cell anode catalyst: nanophase PtRuNiZr App 20100035123 - Narayanan; Sekharipuram R. ; et al. | 2010-02-11 |
| Monopolar fuel cell stack coupled together without use of top or bottom cover plates or tie rods Grant 7,585,577 - Narayanan , et al. September 8, 2 | 2009-09-08 |
| Direct methanol fuel cell operable with neat methanol App 20090214905 - Narayanan; Sekharipuram R. ; et al. | 2009-08-27 |
| Solid Acid Electrolytes For Electrochemical Devices App 20090075149 - Haile; Sossina M. ; et al. | 2009-03-19 |
| Direct methanol feed fuel cell and system Grant 7,488,548 - Surampudi , et al. February 10, 2 | 2009-02-10 |
| Direct methanol feed fuel cell and system Grant 7,470,478 - Surampudi , et al. December 30, 2 | 2008-12-30 |
| Organic fuel cell methods and apparatus Grant 7,445,859 - Vamos , et al. November 4, 2 | 2008-11-04 |
| Direct methanol feed fuel cell and system Grant 7,425,384 - Surampudi , et al. September 16, 2 | 2008-09-16 |
| Catalyst materials for fuel cells Grant 7,416,809 - Narayanan , et al. August 26, 2 | 2008-08-26 |
| Solid acid electrolytes for electrochemical devices Grant 7,416,803 - Haile , et al. August 26, 2 | 2008-08-26 |
| Water free proton conducting membranes based on poly-4-vinylpyridinebisulfate for fuel cells Grant 7,282,291 - Narayanan , et al. October 16, 2 | 2007-10-16 |
| Proton conducting membrane using a solid acid App 20070009778 - Chisholm; Calum ; et al. | 2007-01-11 |
| Membrane electrode assembly for a fuel cell Grant 7,147,958 - Prakash , et al. December 12, 2 | 2006-12-12 |
| Proton conducting membrane using a solid acid Grant 7,125,621 - Haile , et al. October 24, 2 | 2006-10-24 |
| Proton conducting membranes for high temperature fuel cells with solid state "water free" membranes Grant 7,108,934 - Narayanan , et al. September 19, 2 | 2006-09-19 |
| Organic fuel cell methods and apparatus App 20060204810 - Surampudi; Subbarao ; et al. | 2006-09-14 |
| Hydrogen generation by electrolysis of aqueous organic solutions Grant 7,056,428 - Narayanan , et al. June 6, 2 | 2006-06-06 |
| Direct methanol feed fuel cell and system App 20060105210 - Surampudi; Subbarao ; et al. | 2006-05-18 |
| Direct methanol feed fuel cell and system App 20060046133 - Surampudi; Subbarao ; et al. | 2006-03-02 |
| Composite polymer electrolytes based on organosilica hybrid proton conductors for fuel cells App 20050221142 - Narayanan, Sekharipuram R. ; et al. | 2005-10-06 |
| Perfluoroalkanesulfonic acids and perfluoroalkanesulfonimides as electrode additives for fuel cells App 20050214629 - Narayanan, Sekharipuram R. ; et al. | 2005-09-29 |
| Direct methanol feed fuel cell and system App 20050042487 - Surampudi, Subbarao ; et al. | 2005-02-24 |
| Direct methanol feed fuel cell and system App 20050003254 - Surampudi, Subbarao ; et al. | 2005-01-06 |
| Water free proton conducting membranes based on poly-4-vinylpyridinebisulf- ate for fuel cells App 20040234834 - Narayanan, Sekharipuram R. ; et al. | 2004-11-25 |
| Organic fuel cell methods and apparatus Grant 6,821,659 - Surampudi , et al. November 23, 2 | 2004-11-23 |
| Anode structure for direct methanol fuel cell App 20040229108 - Valdez, Thomas I. ; et al. | 2004-11-18 |
| Organic fuel cell methods and apparatus App 20040224214 - Vamos, Eugene ; et al. | 2004-11-11 |
| Cathode structure for direct methanol fuel cell App 20040166397 - Valdez, Thomas I. ; et al. | 2004-08-26 |
| Electrode and interconnect for miniature fuel cells using direct methanol feed Grant 6,756,145 - Narayanan , et al. June 29, 2 | 2004-06-29 |
| Organic fuel cell methods and apparatus Grant 6,740,434 - Surampudi , et al. May 25, 2 | 2004-05-25 |
| Direct methanol feed fuel cell and system Grant 6,703,150 - Surampudi , et al. March 9, 2 | 2004-03-09 |
| Reduced size fuel cell for portable applications Grant 6,680,139 - Narayanan , et al. January 20, 2 | 2004-01-20 |
| Methanol monopolar, miniature fuel cell and method of fabricating a stack of the same App 20040001992 - Narayanan, Sekharipuram R. ; et al. | 2004-01-01 |
| Hydrogen generation by electrolysis of aqueous organic solutions App 20030226763 - Narayanan, Sekharipuram R. ; et al. | 2003-12-11 |
| Membrane electrode assembly for a fuel cell App 20030207167 - Prakash, Surya ; et al. | 2003-11-06 |
| Proton conducting membranes for high temperature fuel cells developed with sold state "water free" proton conducting membranes App 20030148162 - Narayanan, Sekharipuram R. ; et al. | 2003-08-07 |
| Solid acid electrolytes for electrochemical devices App 20030104258 - Haile, Sossina M. ; et al. | 2003-06-05 |
| Hydrogen generation by electrolysis of aqueous organic solutions Grant 6,533,919 - Narayanan , et al. March 18, 2 | 2003-03-18 |
| Proton conducting membrane using a solid acid App 20030008190 - Chisholm, Calum ; et al. | 2003-01-09 |
| Polymer electrolyte membranes for use in fuel cells Grant 6,444,343 - Prakash , et al. September 3, 2 | 2002-09-03 |
| Aerosol feed direct methanol fuel cell Grant 6,440,594 - Kindler , et al. August 27, 2 | 2002-08-27 |
| Hydrogen generation by electrolysis of aqueous organic solutions Grant 6,432,284 - Narayanan , et al. August 13, 2 | 2002-08-13 |
| Electrode and interconnect for miniature fuel cells using direct methanol feed App 20020102449 - Narayanan, Sekharipuram R. ; et al. | 2002-08-01 |
| Direct methanol feed fuel cell and system Grant 6,420,059 - Surampudi , et al. July 16, 2 | 2002-07-16 |
| Catalyst materials for fuel cells App 20020058178 - Narayanan, Sekharipuram R. ; et al. | 2002-05-16 |
| Organic fuel cell methods and apparatus App 20020015868 - Surampudi, Subbarao ; et al. | 2002-02-07 |
| Organic fuel cell methods and apparatus App 20020015872 - Surampudi, Subbarao ; et al. | 2002-02-07 |
| Direct deposit of catalyst on the membrane of direct feed fuel cells App 20010052389 - Chun, William ; et al. | 2001-12-20 |
| Reduced size fuel cell for portable applications App 20010051293 - Narayanan, Sekharipuram R. ; et al. | 2001-12-13 |
| Direct methanol feed fuel cell and system App 20010050230 - Surampudi, Subbaroa ; et al. | 2001-12-13 |
| Hydrogen generation by electrolysis of aqueous organic solutions Grant 6,299,744 - Narayanan , et al. October 9, 2 | 2001-10-09 |
| Direct methanol feed fuel cell and system Grant 6,265,093 - Surampudi , et al. July 24, 2 | 2001-07-24 |
| Direct methanol feed fuel cell and system Grant 6,254,748 - Surampudi , et al. July 3, 2 | 2001-07-03 |
| Organic fuel cell methods and apparatus Grant 6,248,460 - Surampudi , et al. June 19, 2 | 2001-06-19 |
| Direct methanol feed fuel cell and system Grant 6,146,781 - Surampudi , et al. November 14, 2 | 2000-11-14 |
| Polymer material for electrolytic membranes in fuel cells Grant 5,795,496 - Yen , et al. August 18, 1 | 1998-08-18 |
| Direct methanol feed fuel cell and system Grant 5,773,162 - Surampudi , et al. June 30, 1 | 1998-06-30 |
| Aqueous liquid feed organic fuel cell using solid polymer electrolyte membrane Grant 5,599,638 - Surampudi , et al. February 4, 1 | 1997-02-04 |
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