| MXR-2000 FLOWMETER (K923781) | Porter Instrument Co., Inc. | 1993-06-10 |
| OHMEDA - LOW FLOW FLOWMETER (K910316) | Ohmeda Medical | 1991-04-12 |
| FR6000 FLOWMETER (K884973) | Key Instruments | 1989-01-17 |
| SERIES D FLOWMETER (K872718) | Puritan Bennett Corp. | 1987-08-05 |
| CLASSIC (TM) 200 OXYGEN FLOWMETER (K871452) | The Timeter Group | 1987-06-22 |
| AIRCO 2000 SERIES FLOWMETERS (K862797) | Airco, Inc. | 1986-08-08 |
| SELECT FLOWMETER (K854067) | Precision Medical, Inc. | 1985-10-29 |
| OXYGEN DELIVERY MEASURING DEVICE (K851288) | Bar-Dix, Inc. | 1985-09-03 |
| PRESSURE RELIEF ADAPTOR (K850559) | Precision Medical, Inc. | 1985-04-25 |
| FLOWMETER, BACKPRESSURE COMPENSATED, THORPE TUBE (K850560) | Precision Medical, Inc. | 1985-04-17 |
| RECON-2 FLOW CONTROLLER (K834260) | Precision Metering, Inc. | 1984-01-10 |
| PRESET FLOWMETER (K812419) | Timeter Instrument Corp. | 1981-09-21 |
| TIMETER-PRODUCED PURITAN BENNETT AIR ADP (K812183) | Timeter Instrument Corp. | 1981-08-18 |
| RECON 1 (K812128) | Precision Metering, Inc. | 1981-08-18 |
| RESPIRATORY THERAPY FLOWMETER (K802659) | Design & Manufacturing Consultants | 1980-11-12 |
| MO8 OXYGEN FLOWMETER (K802311) | Timeter Instrument Corp. | 1980-10-23 |
| M015 OXYGEN & MA15 AIR (K791900) | Timeter Instrument Corp. | 1979-10-11 |
| MODEL 54 FLOWMETER BACK-PRESSURE TUBE (K791648) | Harris Calorific | 1979-09-17 |
| FLOWMETER, BACK PRESSURE COMPENSATED, (K791220) | Timeter Instrument Corp. | 1979-08-03 |
| FLOW LIMITER (K791017) | Timeter Instrument Corp. | 1979-07-03 |
| LINDE OXYGEN THERAPY FLOWMETERS, L33-L34 (K791069) | Union Carbide Corp. | 1979-06-27 |
| FLOMETER (K781541) | Chemetron Medical Products, Inc. | 1978-09-26 |
| FLOWMETER, OXYGEN (K760314) | Harris-Lake, Inc. | 1976-08-04 |
| FLOWMETER, P.C., REDESIGNED VERSION (K760102) | Ohio Medical Products | 1976-07-16 |