Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12159177 | Optical articles and systems interacting with the same | Michael A. McCoy, Anne C. Gold, Silvia Geciova-Borovova Guttmann, Glenn E. Casner, Timothy J. Gardner +11 more | 2024-12-03 |
| 12150901 | Darkening filter comprising a non-uniform pattern of switchable shutters | Claire R. Donoghue, Kristina M. Magnusson | 2024-11-26 |
| 11413190 | Protective headgear comprising a curved switchable shutter and comprising multiple antireflective layers | Kristina M. Magnusson, Kenneth Jarefors | 2022-08-16 |
| 11373076 | Optical articles and systems interacting with the same | Michael A. McCoy, Anne C. Gold, Silvia Geciova-Borovova Guttmann, Glenn E. Casner, Timothy J. Gardner +11 more | 2022-06-28 |
| 11260251 | Respirator device with light exposure detection | Steven T. Awiszus, Kiran S. Kanukurthy, Eric C. Lobner, Robert J. Quintero, Micayla A. Johnson +1 more | 2022-03-01 |
| 11160687 | Vision-protective headgear with automatic darkening filter comprising an array of switchable shutters | Kenneth Jarefors, Kristina M. Magnusson | 2021-11-02 |
| 11129748 | Curved eye protection shield for welding protection | Kristina M. Magnusson, Kenneth Jarefors, Laurent Froissard | 2021-09-28 |
| 10948745 | Vision-protecting filter lens having organic polymer multilayer and neutral-density optical filter | Michael E. Hallock, Joy L. Manske | 2021-03-16 |
| 10849790 | Welding shield with exposure detection for proactive welding hazard avoidance | Steven T. Awiszus, Kiran S. Kanukurthy, Eric C. Lobner, Robert J. Quintero, Micayla A. Johnson +1 more | 2020-12-01 |
| 10758420 | Protective headgear comprising a curved switchable shutter and comprising multiple antireflective layers | Kristina M. Magnusson, Kenneth Jarefors | 2020-09-01 |
| 10114242 | Curved automatic-darkening filter | Kristina M. Magnusson, Kenneth Jarefors, Larissa Zuravskaja, Joy L. Manske | 2018-10-30 |
| 9931592 | Layered or mixed sorbent bed protective filtration device | Larry A. Brey, William Buechter, Pierre Legare, Derek M. Maanum, Gregory W. Peterson +1 more | 2018-04-03 |
| 9908076 | Layered or mixed sorbent bed protective filtration device | Larry A. Brey, William Buechter, Pierre Legare, Derek M. Maanum, Gregory W. Peterson +1 more | 2018-03-06 |
| 9757678 | Layered or mixed sorbent bed protective filtration device | Larry A. Brey, William Buechter, Pierre Legare, Derek M. Maanum, Gregory W. Peterson +1 more | 2017-09-12 |
| 9744328 | Air filtration device having tuned air distribution system | David M. Blomberg, Joy L. Manske | 2017-08-29 |
| 9744329 | Air filtration device having subsections lacking fluid communication | David M. Blomberg, Joy L. Manske | 2017-08-29 |
| 9259676 | Refillable filter system | David M. Castiglione, Gary E. Dwyer, Pierre Legare | 2016-02-16 |
| 8984753 | Method of making filter cartridge having roll-based housing sidewall | Pierre Legare | 2015-03-24 |
| 8899227 | Air filtration device having subsections lacking fluid communication | David M. Blomberg, Joy L. Manske | 2014-12-02 |
| 8887719 | Air filtration device having tuned air distribution system | David M. Blomberg, Joy L. Manske | 2014-11-18 |
| 8617295 | Active-particulate air filter having monolith primary filter and polishing filter | Larry A. Brey | 2013-12-31 |
| 8535406 | Filter element utilizing shaped particle-containing nonwoven web | Marvin E. Jones | 2013-09-17 |
| 8460423 | Filter cartridge having central plenum and housing sidewall | Pierre Legare | 2013-06-11 |
| 6361850 | Retroreflective article having a colored layer containing a dye covalently bonded to a polymer | Robert J. Fleming | 2002-03-26 |
| 6355302 | Continuous process for making high performance retroreflective fabric | John L. Vandenberg, Joey L. Reule, Frederick J. Fox | 2002-03-12 |