| K130068 | DISMOUNTED MEDICAL & SUPPLEMENTAL OXYGEN SYSTEM (DMOS) | Essex Industries, Inc. D/B/A Essex Cryogenics of M | 2013-07-19 |
| K113767 | MOUNTED MEDICAL OXYGEN SYSTEM | Essex Industries, Inc. | 2012-06-29 |
| K103324 | PRECISION LIQUID OXYGEN SYSTEM | Precision Medical, Inc. | 2011-04-21 |
| K101272 | MASS OXYGEN DISTRIBUTION SYSTEM (MODS) MODEL 10C-0061-3 | Essex Industries, Inc. | 2010-08-20 |
| K081779 | GOLOX-93 | Respironics, Inc. | 2008-09-19 |
| K080023 | MODIFICATION TO: SPIRIT | Caire, Inc. | 2008-06-16 |
| K072723 | RESPIRONICS GOLOX | Respironics, Inc. | 2008-03-20 |
| K072011 | COPD LIQUID OXYGEN PORTABLE, MODEL 300P | Copd Partners, Inc. | 2007-10-18 |
| K071581 | BACKPACK MEDICAL OXYGEN SYSTEM | Essex Cryogenics of Missouri, Inc. | 2007-07-11 |
| K050414 | PLIX | Respironics, Inc. | 2005-04-11 |
| K041122 | PRECISION LIQUID OXYGEN SYSTEM | Precision Medical, Inc. | 2004-10-04 |
| K032143 | LIQUID OXYGEN SYSTEM | Micro Technology Services, Inc. | 2004-03-30 |
| K033000 | NEXT GENERATION PORTABLE THERAPEUTIC LIQUID OXYGEN SYSTEM | Essex Cryogenics of Missouri, Inc. | 2004-03-22 |
| K013251 | SPIRIT 300 | Caire, Inc. | 2001-12-18 |
| K993220 | PURITAN-BENNETT HELIOS PORTABLE LIQUID OXYGEN SYSTEM | Puritan Bennett Corp. | 1999-10-22 |