Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12303636 | System for gravity inclusion of powder into a medical delivery flow stream | John W. Shanahan, Michael R. Spearman, Craig J. Cuta, Keith A. Roberts | 2025-05-20 |
| 11963896 | Tool for placement of degradeable ostial stent | Michael J. Spearman, Peter J. Catalano, Brian M. Spearman, Keith A. Roberts, John W. Shanahan | 2024-04-23 |
| 11752020 | Tool for placement of degradable ostial stent | Michael J. Spearman, Peter J. Catalano, Brian M. Spearman, Keith A. Roberts, John W. Shanahan | 2023-09-12 |
| 10744310 | Hemostatic agent and method | Keith A. Roberts, Majid Zia, Michael R. Spearman | 2020-08-18 |
| 10709585 | Degradeable nasal ostial stent | Michael R. Spearman, John W. Shanahan, Keith A. Roberts, Peter J. Catalano | 2020-07-14 |
| 10265201 | Degradeable ostial stent | Michael R. Spearman, John W. Shanahan, Keith A. Roberts, Peter J. Catalano | 2019-04-23 |
| 9649482 | Hemostatic agent and method | Keith A. Roberts, Majid Zia, Michael R. Spearman | 2017-05-16 |
| 8945040 | Medical gas humidification system | Michael R. Spearman, Douglas E. Ott, Majid Zia | 2015-02-03 |
| 8920715 | Sterilant composition and system | Keith A. Roberts, Carl Hahn, Gabriel P. Kern, Ryan Hoitink, Robert O. Crowder | 2014-12-30 |
| 8623215 | Membrane module for fluid filtration | Philip M. Rolchigo, John W. Shanahan, Robert O. Crowder | 2014-01-07 |
| 8623842 | Hemostatic agent and method | Keith A. Roberts, Majid Zia, Michael R. Spearman | 2014-01-07 |
| 8608715 | System and method to vent gas from a body cavity | Keith A. Roberts, Duane Lloyd | 2013-12-17 |
| 8540808 | Venting and filtration systems with gas permeable membrane | Robert O. Crowder, Steven T. Jersey, Kevin Carlson, Michael Savellev | 2013-09-24 |
| 8540807 | Venting and filtration systems with gas permeable membrane | Robert O. Crowder, Steven T. Jersey, Kevin Carlson, Michael Saveliev | 2013-09-24 |
| 8414550 | System and method to vent gas from a body cavity | Keith A. Roberts, Duane Lloyd | 2013-04-09 |
| 8292840 | Medical gas humidification system | Michael R. Spearman, Douglas E. Ott, Majid Zia | 2012-10-23 |
| 7998254 | Membrane module | Jeffrey William Berg, Brent Joseph Steffensmeier, Joseph Charles Tuma, Carl M. Geisz, Craig J. Cuta | 2011-08-16 |
| 7938884 | Integral sweep controller for gas membrane separation device | Darrin Barnette, Timothy Fox, Mark F. Honath, Craig J. Cuta, Carl M. Geisz | 2011-05-10 |
| 7875176 | Membrane module for fluid filtration | Philip M. Rolchigo, John W. Shanahan, Robert O. Crowder | 2011-01-25 |
| 7476212 | Medical gas humidification system | Michael R. Spearman, Douglas E. Ott, Majid Zia | 2009-01-13 |
| 7396383 | Membrane-based reservoir dryer | Michael R. Spearman, David Kolstad, Craig J. Cuta | 2008-07-08 |
| 7331342 | Oxygen humidifier | Michael R. Spearman, Robert O. Crowder, Carl M. Geisz | 2008-02-19 |
| 6616735 | Compressed gas systems utilizing a variable pressure membrane air drier, and method of operation thereof | Robert O. Crowder | 2003-09-09 |
| 6585808 | Membrane air dryer with integral diffuser and method of manufacture thereof | Robert O. Crowder, Michael R. Spearman, Keith A. Roberts | 2003-07-01 |
| 6517725 | Oil dehydrator | Michael R. Spearman, Mathews Thundyil, Majid Zia | 2003-02-11 |