# Essex Cryogenics of Missouri, Inc.

- Location (FDA's records): St. Louis, MO
- FDA decisions: 5 (1988–2014): 5 510(k) clearances
- Product codes: BYJ (3), CAW (2)
- Predicates its devices cite: 5 (3 its own); citations of its devices by later devices: 6 (3 its own)
- Recalls linked to its devices: 0 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Firms whose devices it cites most
- Litton Systems, Inc.: 1 (https://510kreport.com/company/litton-systems)
- Invacare Corp.: 1 (https://510kreport.com/company/invacare)

## Firms that cite its devices most
- Essex Industries, Inc.: 2 (https://510kreport.com/company/essex-industries)
- Essex Industries, Inc. D/B/A Essex Cryogenics of M: 1 (https://510kreport.com/company/essex-industries-d-b-a-essex-cryogenics-of-m)

## Its most-cited devices
- K033000: Next Generation Portable Therapeutic Liquid Oxygen System (2004), cited by 3
- K880183: Portable Therapeutic Liquid Oxygen Unit (1988), cited by 1
- K022684: Portable Therapeutic Oxygen Concentration System (Ptocs) (2002), cited by 1
- K071581: Backpack Medical Oxygen System (2007), cited by 1

## Recent decisions
- K131990: Oxygen Generator Liquefier - (Ogl) (Feb 21, 2014)
- K071581: Backpack Medical Oxygen System (Jul 11, 2007)
- K033000: Next Generation Portable Therapeutic Liquid Oxygen System (Mar 22, 2004)
- K022684: Portable Therapeutic Oxygen Concentration System (Ptocs) (Sep 11, 2002)
- K880183: Portable Therapeutic Liquid Oxygen Unit (Apr 14, 1988)

Source page: https://510kreport.com/company/essex-cryogenics-of-missouri