# J. H. Emerson Co.

- Location (FDA's records): Cambridge, MA
- FDA decisions: 25 (1981–2000): 25 510(k) clearances
- Product codes: BYT (3), NHJ (2), IQA (2), CBK (2), GCX (2), KQT (1), IKZ (1), GBS (1), FMT (1), LGM (1), KDQ (1), BTL (1)
- Predicates its devices cite: 0 (0 its own); citations of its devices by later devices: 8 (0 its own)
- Recalls linked to its devices: 0 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Firms that cite its devices most
- Dima Italia Srl: 3 (https://510kreport.com/company/dima-italia)
- Respironics, Inc.: 2 (https://510kreport.com/company/respironics)
- Seoil Pacific Corp.: 1 (https://510kreport.com/company/seoil-pacific)
- Puritan Bennett Corp.: 1 (https://510kreport.com/company/puritan-bennett)
- Lung Assist, Inc.: 1 (https://510kreport.com/company/lung-assist)

## Its most-cited devices
- K002598: Emerson Cough Assist Model CA-3000 W/Automatic Timing and Model CM-3000 W/Manual Timing (2000), cited by 7
- K864394: Emerson 3MV Volume Ventilator (1986), cited by 1

## Recent decisions
- K002598: Emerson Cough Assist Model CA-3000 W/Automatic Timing and Model CM-3000 W/Manual Timing (Nov 22, 2000)
- K920910: Oxygen Powered Resuscitator for CPR (Jan 12, 1993)
- K924174: Emerson in-Exsufflator, Models 2-CM & 2-CA (Nov 17, 1992)
- K902764: Emerson 33-an Negative Pressure Respirator Alarm (Nov 19, 1990)
- K896721: Model 7-at Treatment Chamber (Jan 22, 1990)
- K881808: Emerson Chest Respirator, Model 33-Cre (Aug 4, 1988)
- K873489: Emerson Dispos Thoracic Drainage Set - 551-8000 (Dec 29, 1987)
- K872937: 97-TD Emerson Timer/Dimmer Control (Sep 24, 1987)

Source page: https://510kreport.com/company/j-h-emerson
