Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8342180 | Filtering face-piece respirator that has expandable mask body | Philip G. Martin, Yonas Gebrewold, Daniel J. Stepan, Audra A. Wilson, Thomas G. Skulley +4 more | 2013-01-01 |
| 8146594 | Flat-folded personal respiratory protection devices | Graham J. Bostock, John W. Bryant, Desmond T. Curran, Dennis L. Krueger, James F. Dyrud | 2012-04-03 |
| D657050 | Respiratory mask | John M. Facer, Audra A. Wilson | 2012-04-03 |
| 8104472 | Non-elastomeric respirator mask that has deformable cheek portions | Audra A. Wilson | 2012-01-31 |
| D637711 | Bond pattern on a filtering face-piece respirator | John M. Facer, Audra A. Wilson | 2011-05-10 |
| D620104 | Personal respiratory protection device | Desmond T. Curran, John W. Bryant | 2010-07-20 |
| 7497217 | Method of making a filter cartridge using a thermoforming step | Andrew S. Viner, Audra A. Conlan, Brian Cormack, Malcolm R. Watson, Desmond T. Curran +1 more | 2009-03-03 |
| 7454800 | Anatomically fitted respiratory component belt | David S. Taylor, Peter Lee | 2008-11-25 |
| 7104264 | Rigid air ducting for respirator hoods and helmets | Peter Lee | 2006-09-12 |
| 7077128 | Eye-wear articles for use with respiratory masks | Audra A. Wilson, Desmond T. Curran, Brian Cormack | 2006-07-18 |
| 7069930 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, John W. Bryant, Desmond T. Curran, Dennis L. Krueger, James F. Dyrud | 2006-07-04 |
| 6886563 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, John W. Bryant, Desmond T. Curran, Dennis L. Krueger, James F. Dyrud | 2005-05-03 |
| 6874499 | Filter element that has a thermo-formed housing around filter material | Andrew S. Viner, Audra A. Conlan, Brian Cormack, Malcolm R. Watson, Desmond T. Curran +1 more | 2005-04-05 |
| 6805124 | Face mask that has a filtered exhalation valve | Daniel A. Japuntich, Nicole V. McCullough, Jane K. Peterson, Nicholas R. Baumann, John W. Bryant +1 more | 2004-10-19 |
| 6722366 | Method of making a flat-folded personal respiratory protection device | Graham J. Bostock, John W. Bryant, Desmond T. Curran, Dennis L. Krueger, James F. Dyrud | 2004-04-20 |
| 6715489 | Processes for preparing flat-folded personal respiratory protection devices | Graham J. Bostock, John W. Bryant, Desmond T. Curran, Dennis L. Krueger, James F. Dyrud | 2004-04-06 |
| 6584976 | Face mask that has a filtered exhalation valve | Daniel A. Japuntich, Nicole V. McCullough, Jane K. Peterson, Nicholas R. Baumann, John W. Bryant +1 more | 2003-07-01 |
| 6568392 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, John W. Bryant, Desmond T. Curran, Dennis L. Krueger, James F. Dyrud | 2003-05-27 |
| 6536434 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, John W. Bryant, Desmond T. Curran, Dennis L. Krueger, James F. Dyrud | 2003-03-25 |
| 6484722 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, John W. Bryant, Desmond T. Curran, Dennis L. Krueger, James F. Dyrud | 2002-11-26 |
| D459471 | Personal respiratory protection device that has a three panelled look | Desmond T. Curran, John W. Bryant | 2002-06-25 |
| D458364 | Personal respiratory protection device that has left and right tabs | Desmond T. Curran, John W. Bryant | 2002-06-04 |
| D449377 | Tabs on a personal respiratory protection device | Desmond T. Curran, John W. Bryant, Nicholas J. Gloag | 2001-10-16 |
| 6286144 | Protective garments incorporating bands of welded or adhesively-bonded elastomeric material | James Fewtrell, Elfed I. Williams, Nicholas J. Gloag | 2001-09-11 |
| 6148817 | Multi-part headband and respirator mask assembly and process for making same | John W. Bryant, Desmond T. Curran, James F. Dyrud, Harold J. Seppala, Elfed I. Williams | 2000-11-21 |