Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11975282 | Filter for purifying an air stream | Michael J. Knapke, Mark Noltimier | 2024-05-07 |
| 11794140 | Auxiliary filter for enhanced chemical protection | Gregory W. Peterson, Ryan Ballantyne, Michael Boruch, William Clark, Bruce Corso +13 more | 2023-10-24 |
| 10934177 | Process for purification of contaminated water | Henry C. Berns, David L. Church, Michael J. Knapke, Daniel Keith Moeller | 2021-03-02 |
| 10828873 | Textile composite having sorptive and reactive properties against toxic agents | Erin K. Anderson, Rachel L Rossin, Michael J. Knapke, Natalie Pomerantz | 2020-11-10 |
| 10625239 | Porous mixed metal oxy-hydroxides and method of preparation | Gregory W. Peterson, William Buechter | 2020-04-21 |
| 10472259 | Process for purification of contaminated water | Henry C. Berns, David L. Church, Michael J. Knapke, Daniel Keith Moeller | 2019-11-12 |
| 10261022 | Self-indicating zirconium hydroxide and other porous metal hydroxides incorporating additional metals, metal oxides, and/or metal salts for toxic chemical removal and sensing | Gregory W. Peterson, Jennifer R Soliz, Kathryn L. Killops | 2019-04-16 |
| 10245456 | Process for decontamination and detoxification with zirconium hydroxide-based slurry | Gregory W. Peterson, Joseph P. Myers, George W. Wagner, Matthew Shue, John P. Davies | 2019-04-02 |
| 10130834 | Zirconium hydroxide-based slurry for decontamination and detoxification | Gregory W. Peterson, Joseph P. Myers, George W. Wagner, Matthew Shue, John P. Davies | 2018-11-20 |
| 9999853 | Processes for filtering chemicals from air streams | Michael J. Knapke | 2018-06-19 |
| 9958397 | Self-indicating porous metal hydroxides incorporating metal reactants for toxic chemical removal and sensing | Gregory W. Peterson, Jennifer R Soliz, Kathryn L. Killops | 2018-05-01 |
| 9931592 | Layered or mixed sorbent bed protective filtration device | Britton G. Billingsley, Larry A. Brey, William Buechter, Pierre Legare, Derek M. Maanum +1 more | 2018-04-03 |
| 9907988 | Porous metal hydroxides for decontaminating toxic agents | Gregory W. Peterson | 2018-03-06 |
| 9908076 | Layered or mixed sorbent bed protective filtration device | Britton G. Billingsley, Larry A. Brey, William Buechter, Pierre Legare, Derek M. Maanum +1 more | 2018-03-06 |
| 9895674 | Multi-functional media for the removal of basic and acidic gases and other toxic vapors | Gregory W. Peterson | 2018-02-20 |
| 9757678 | Layered or mixed sorbent bed protective filtration device | Britton G. Billingsley, Larry A. Brey, William Buechter, Pierre Legare, Derek M. Maanum +1 more | 2017-09-12 |
| 9352175 | Method and apparatus for prolonging the service life of a collective protection filter using a supplemental bed | Gregory W. Peterson, Michael A. Pompeii, Michael J. Knapke | 2016-05-31 |
| 9308517 | Composite filtration media for removing broad spectrum toxic chemicals | Gregory W. Peterson | 2016-04-12 |
| 9039807 | Regenerative adsorption process for removal of silicon-containing contaminants from process gas using a neutral adsorbent media | Michael J. Mitariten, Roy Brown, Wayne Ballantyne, Michael J. Knapke | 2015-05-26 |
| 9034289 | Method and apparatus for prolonging the service life of a collective protection filter using a guard bed | Gregory W. Peterson, Michael A. Pompeii | 2015-05-19 |
| 8877677 | Filtration media and process for the removal of hazardous materials from air streams | Gregory W. Peterson | 2014-11-04 |
| 8691170 | System and method for selective catalytic reduction of nitrogen oxides in combustion exhaust gases | Anatoly Sobolevskiy | 2014-04-08 |
| 8530719 | Zirconium hydroxide for decontaminating toxic agents | Gregory W. Peterson, George W. Wagner | 2013-09-10 |
| 8071062 | High temperature catalytic process to reduce emissions of carbon monoxide | Anatoly Sobolevskiy, Michael J. Knapke | 2011-12-06 |
| 7988940 | Selective catalytic reduction system and process for treating NOx emissions using a zinc or titanium promoted palladium-zirconium catalyst | Anatoly Sobolevskiy, Michael J. Knapke | 2011-08-02 |