| 9993668 | Face mask assembly | Jun 10, 15 | Jun 12, 18 | Louis M. Gerson Co. Inc. |
| RE46888 | Integrated belt and plenum powered air purifying respirator | May 09, 15 | Jun 12, 18 | Avon Protection Systems Inc. |
| 9987457 | Exhalation valve assembly with integral flow sensor | Nov 06, 15 | Jun 05, 18 | Covidien LP |
| 9970595 | Breathing apparatus filling station and filling station recharging device | Jun 21, 12 | May 15, 18 | Dräger Safety AG & Co. KGaA |
| 9968809 | Portable air purifier | Jun 19, 13 | May 15, 18 | REKRIX CO., LTD. |
| 9950199 | Respirator mask | Jan 26, 15 | Apr 24, 18 | Moldex-Metric Inc. |
| 9950197 | Blower filter device | Apr 17, 14 | Apr 24, 18 | Dräger Safety AG & Co. KGaA |
| 9949873 | Heat retention mask and method of using the same | Jul 10, 13 | Apr 24, 18 | 12TH MAN TECHNOLOGIES, INC. |
| 9950198 | Multi-mission rebreather cooling system | Sep 26, 14 | Apr 24, 18 | O2 DIVE TECHNOLOGIES, INC. |
| 9931592 | Layered or mixed sorbent bed protective filtration device | Aug 19, 14 | Apr 03, 18 | The United States of America as reresented by the Secretary of the Army |
| 9908076 | Layered or mixed sorbent bed protective filtration device | Aug 19, 14 | Mar 06, 18 | The United States of America as represented by the Secretary of the Army, THE UNITED STATES OF AMERICA, |
| 9901128 | Antimicrobial apparel and fabric and coverings | Dec 23, 10 | Feb 27, 18 | Liberman Distributing and Manufacturing Co. d/b/a Lidco Products ("Lidco") |
| 9894893 | Breath-powered vapor distribution device | Apr 25, 16 | Feb 20, 18 | WYNDSCENT, LLC |
| 9833643 | Apparatus for providing controlled flow of inhalation-air | Mar 20, 15 | Dec 05, 17 | Not available |
| 9833645 | Personal air filter | May 24, 13 | Dec 05, 17 | Not available |
| 9827723 | Full face mask for a PAPR | Jun 14, 11 | Nov 28, 17 | FACECOVER SWEDEN AB |
| 9814913 | Respirator with floating elastomeric sleeve | Nov 15, 13 | Nov 14, 17 | 3M INNOVATIVE PROPERTIES COMPANY |
| 9782555 | Exhalation scavenging therapy mask | Mar 07, 14 | Oct 10, 17 | TELEFLEX MEDICAL INCORPORATED |
| 9750960 | Respiratory mask and filter cartridge therefor | Jul 01, 14 | Sep 05, 17 | JSP LIMITED |
| 9744328 | Air filtration device having tuned air distribution system | Nov 03, 14 | Aug 29, 17 | 3M INNOVATIVE PROPERTIES COMPANY |