Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D532163 | Side portion of a welding helmet | Peter Lee, Daniel J. Martin | 2006-11-14 |
| D529606 | Air duct | Paul Hind, Peter Lee | 2006-10-03 |
| 7077128 | Eye-wear articles for use with respiratory masks | Audra A. Wilson, Christopher P. Henderson, Brian Cormack | 2006-07-18 |
| 7069930 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, John W. Bryant, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2006-07-04 |
| 7069931 | Method of making a filtering face mask that has an exhalation valve attached thereto | Elfed I. Williams | 2006-07-04 |
| D523728 | Hinge for a welding helmet window | Peter Lee, Daniel J. Martin | 2006-06-27 |
| D522350 | Powered air-purifying respirator attachment clip | David S. Taylor | 2006-06-06 |
| D521855 | Powered air-purifying respirator attachment clip | David S. Taylor | 2006-05-30 |
| D518923 | Top portion of a welding helmet | Peter Lee, Daniel J. Martin | 2006-04-11 |
| D517744 | Side portion of a welding helmet | Peter Lee, Daniel J. Martin | 2006-03-21 |
| D517745 | Chin portion of welding helmet visor | Peter Lee, Daniel J. Martin | 2006-03-21 |
| 7007695 | Manner of attaching component elements to filtration material such as may be utilized in respiratory masks | Elfed I. Williams | 2006-03-07 |
| 6959709 | Manner of attaching component elements to filtration material such as may be utilized in respiratory masks | Elfed I. Williams | 2005-11-01 |
| 6886563 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, John W. Bryant, Christopher P. Henderson, 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, Christopher P. Henderson +1 more | 2005-04-05 |
| 6823867 | Pouch for the blower unit of a powered air purifying respirator | Martin John Avery, Raymond Odell, Jason A. Graves, Nicholas J. Gloag, Simon A. Mortimer +1 more | 2004-11-30 |
| D497667 | Pouch | Raymond Odell, Martin John Avery, Jason A. Graves, Nicholas J. Gloag, Simon A. Mortimer +1 more | 2004-10-26 |
| 6722366 | Method of making a flat-folded personal respiratory protection device | Graham J. Bostock, John W. Bryant, Christopher P. Henderson, 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, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2004-04-06 |
| 6604524 | Manner of attaching component elements to filtration material such as may be utilized in respiratory masks | Elfed I. Williams | 2003-08-12 |
| 6568392 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, John W. Bryant, Christopher P. Henderson, 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, Christopher P. Henderson, 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, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2002-11-26 |
| D459471 | Personal respiratory protection device that has a three panelled look | John W. Bryant, Christopher P. Henderson | 2002-06-25 |
| D458364 | Personal respiratory protection device that has left and right tabs | John W. Bryant, Christopher P. Henderson | 2002-06-04 |