A61M 16/0009
With sub-atmospheric pressure
Official title: {with sub-atmospheric pressure, e.g. during expiration}
A61M16/0009 (With sub-atmospheric pressure) appears on 382 US grants and 454 published applications in this corpus.
Search patents in A61M- Granted patents
- 382
- Published applications
- 454
- Assignees
- 221
- Inventors
- 808
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 4 |
| 2003 | 7 | 9 |
| 2004 | 4 | 7 |
| 2005 | 4 | 12 |
| 2006 | 4 | 9 |
| 2007 | 7 | 14 |
| 2008 | 6 | 11 |
| 2009 | 8 | 14 |
| 2010 | 5 | 14 |
| 2011 | 5 | 9 |
| 2012 | 8 | 15 |
| 2013 | 15 | 17 |
| 2014 | 10 | 25 |
| 2015 | 11 | 25 |
| 2016 | 13 | 22 |
| 2017 | 8 | 22 |
| 2018 | 23 | 17 |
| 2019 | 27 | 21 |
| 2020 | 21 | 15 |
| 2021 | 21 | 39 |
| 2022 | 23 | 35 |
| 2023 | 18 | 33 |
| 2024 | 21 | 24 |
| 2025 | 23 | 20 |
| 2026 | 12 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Intelligent exhaled sputum-suction and inhaled oxygen-supply device29 Sep 2026US 12,746,355 B2Metabrain Technology Pte. Ltd.
- Suction device for sucking obstruction in respiratory tract and use method therefor25 Aug 2026US 12,714,774 B2Dcstar Inc
- Method and apparatus for providing percussive ventilation therapy to a patient airway18 Aug 2026US 12,708,732 B2CircuitLife, LLC
- Suction device for sucking obstruction in respiratory tract and use method therefor7 Jul 2026US 12,673,149 B2Dcstar Inc
- Apparatus for plasma sterilization of medical devices12 May 2026US 12,622,988 B2Loewenstein Medical Technology S.A.
- System and method for airway muscle activation using air pressure routines8 Oct 2026US 2026/0306768 A1NovaResp Technologies Inc.
- Respiratory therapy apparatus having graphical user interface for therapy and nebulizer control13 Aug 2026US 2026/0232935 A1Hill-Rom Services Pte. Ltd.
- Portable medical ventilator system using portable oxygen concentrators13 Aug 2026US 2026/0232936 A1Ventec Life Systems, Inc.
- Respiratory therapy apparatus having filter housing with supplemental oxygen port6 Aug 2026US 2026/0224829 A1Hill-Rom Services Pte. Ltd.
- Respiratory therapy apparatus having display for therapy and pulse oximetry data6 Aug 2026US 2026/0224830 A1Hill-Rom Services Pte. Ltd.
Most cited
By later US patents
- Ventilator control system and method321US 5,931,160 ACardiopulmonary Corporation · 1999
- Methods and apparatus for closed-circuit ventilation therapy316US 6,041,777 AAlliance Pharmaceutical Corp. · 2000
- Ventilation apparatus and anesthesia delivery system310US 6,131,571 AUniversity of Florida · 2000
- Ventilator control system and method255US 6,158,432 ACardiopulmonary Corporation · 2000
- Ventilator having an oscillatory inspiratory phase and method234US 5,862,802 A1999