Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252404 | Nutrient recovery from hydrothermal liquefaction biochar | Peter Lammers, Kodanda Phani Raj Dandamudi, Mark Seger | 2025-03-18 |
| 11840667 | Depolymerization of recovered plastic materials | Yixin Liu, Kapil Chandra Akula, Kodanda Phani Raj Dandamudi | 2023-12-12 |
| 9914787 | Elastomeric, hydrogen-resistant biopolymer and its use in oil and gas and hydrogen gas piping and transportation | Geoffrey Smith, David C. Johnson, Nagamany Nirmalakhandan | 2018-03-13 |
| 9528656 | Elastomeric, hydrogen-resistant biopolymer and its use in oil and gas refining, and in the storage and transport of hydrogen gas | Geoffrey Smith, David C. Johnson, Nagamany Nirmalakhandan | 2016-12-27 |
| 9328310 | Subcritical water extraction of lipids from wet algal biomass | Harvind K. Reddy, Tanner Schaub, Francisco Omar Holguin | 2016-05-03 |
| 8858657 | Direct conversion of algal biomass to biofuel | Prafulla D. Patil, Veera Gnaneswar Gude | 2014-10-14 |
| 8343749 | Method and apparatus for membrane-based, two-stage gas production from solid biomaterials | Nagamany Nirmalakhandan, Geoffrey Smith | 2013-01-01 |
| 8093041 | Method and apparatus for membrane-based, two-stage gas production from solid biomaterials | Nagamany Nirmalakhandan, Geoffrey Smith | 2012-01-10 |
| 6511640 | Purification of gases | Ravi Kumar | 2003-01-28 |
| 6491740 | Metallo-organic polymers for gas separation and purification | Qing Min Wang, Dongmin Shen, Martin Bulow, Miu Ling Lau, Frank R. Fitch | 2002-12-10 |
| 6460352 | Atmosphere control for perishable produce | Norberto Lemcoff, Michael E. Garrett, Michael John Heywood, Ralph John Whiteman | 2002-10-08 |
| 6358302 | Purification of gases using multi-composite adsorbent | Ravi Kumar, Rudolph J. Wolf, Mark J. Andrecovich | 2002-03-19 |
| 6238460 | Air purification process | Ravi Kumar, Martin Bulow, Frank R. Fitch, Adeola Florence Ojo, Craig S. Gittleman | 2001-05-29 |
| 5980611 | Air purification process | Ravi Kumar, Martin Bulow, Frank R. Fitch, Adeola Florence Ojo, Craig S. Gittleman | 1999-11-09 |
| 5931022 | Air purification process with thermal regeneration | Ravi Kumar, Ravi Jain | 1999-08-03 |