Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11535537 | Process for removal of selenium from water by dithionite ions | Tarun Kumar Bera, Vaideeswaran Sivaswamy | 2022-12-27 |
| 10822442 | Rheology-modifying agents for slurries | J. Matthew Chudomel, Yogesh Bhole | 2020-11-03 |
| 10358363 | Fluorescent polymers for water treatment | Tarun Kumar Bera, Deepak Jadhav, Kiran Phatangare, Trishul Artham, Wesley L. Whipple +3 more | 2019-07-23 |
| 9920929 | Method for reducing slag in biomass combustion | Robert Dorner, Nandakumar Srinivasan, Hung-Ting Chen | 2018-03-20 |
| 9328003 | Method of heavy metal removal from water streams | Deepak A. Musale, Daniel E. Schwarz, Paul J. Zinn, Bruce A. Keiser | 2016-05-03 |
| 8753599 | Corrosion control in and selenium removal from flue gas wet scrubber systems | Bruce A. Keiser, John V. Meier, Paul J. Zinn, Jianwei Yuan, Raul Espinosa +3 more | 2014-06-17 |
| 8747789 | Metal scavenging polymers | Paul J. Zinn, William J. Andrews | 2014-06-10 |
| 8632742 | Methods of controlling mercury emission | Bruce A. Keiser, John V. Meier, Robert Dorner, Jianwei Yuan, Rebecca L. Stiles +2 more | 2014-01-21 |
| 8617493 | Corrosion control in and selenium removal from flue gas wet scrubber systems | Bruce A. Keiser, John V. Meier, Paul J. Zinn, Jianwei Yuan, Raul Espinosa +3 more | 2013-12-31 |
| 8609050 | Corrosion control in and selenium removal from flue gas wet scrubber systems | Bruce A. Keiser, John V. Meier, Paul J. Zinn, Jianwei Yuan, Raul Espinosa +3 more | 2013-12-17 |
| 8585994 | Corrosion control in and selenium removal from flue gas wet scrubber systems | Bruce A. Keiser, John V. Meier, Paul J. Zinn, Jianwei Yuan, Raul Espinosa +3 more | 2013-11-19 |
| 8282835 | Removal of selenium from refinery wastewater | Daniel E. Schwarz | 2012-10-09 |
| 8211389 | Metal scavenging polymers and uses thereof | Paul J. Zinn, William J. Andrews | 2012-07-03 |
| 8110163 | Complexation and removal of heavy metals from flue gas desulfurization systems | Bruce A. Keiser, Anthony G. Sommese, Lars E. Capener, Peter TenEyck, Ralf Wysk | 2012-02-07 |
| 6872312 | Method of using high molecular weight water soluble polymers in membrane bioreactor systems | Kristine S. Salmen, John H. Collins | 2005-03-29 |
| 6733674 | Method of dewatering sludge using enzymes | Jawed M. Sarkar, Manian Ramesh | 2004-05-11 |
| 6733673 | Method of dewatering sludge using enzymes | Jawed M. Sarkar, Manian Ramesh | 2004-05-11 |
| 6662636 | Method of reducing fouling in filters for industrial water system analytical devices | Brian Scott Johnson | 2003-12-16 |
| 6627719 | Cationic latex terpolymers for sludge dewatering | Wesley L. Whipple, Ananthasubramanian Sivakumar | 2003-09-30 |
| 6258279 | Hydrophilic cationic dispersion polymer for paper mill color removal | Richard E. Metzgar | 2001-07-10 |
| 6083404 | Method of dewatering difficult sludges | Anthony G. Sommese | 2000-07-04 |
| 5961838 | Amphoteric polymer/polyamine combinations for color removal and clarification of paper mill waste water | Michael L. Braden, Richard E. Metzgar | 1999-10-05 |
| 5705394 | Tagged epichlorohydrin-dimethylamine copolymers for use in wastewater treatment | Sivakumar ANANTHASUBRAMANIAN, Jeffrey R. Cramm | 1998-01-06 |
| 5645799 | Apparatus for a continuous polymer dosage optimization and waste water analysis system | Ananthasubramanian Sivakumar, David W. Scheimann | 1997-07-08 |
| 5413719 | Fluorescent tracer in a water treatment process | Ananthasubra Sivakumar, Narasimha M. Rao, Scott S. Budd | 1995-05-09 |