A61M 16/0072
Tidal volume piston pumps
Official title: {Tidal volume piston pumps}
A61M16/0072 (Tidal volume piston pumps) appears on 147 US grants and 155 published applications in this corpus.
Search patents in A61M- Granted patents
- 147
- Published applications
- 155
- Assignees
- 87
- Inventors
- 318
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 3 |
| 2003 | 3 | 3 |
| 2004 | 3 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 5 |
| 2008 | 1 | 3 |
| 2009 | 1 | 4 |
| 2010 | 3 | 5 |
| 2011 | 0 | 7 |
| 2012 | 1 | 3 |
| 2013 | 4 | 6 |
| 2014 | 3 | 6 |
| 2015 | 1 | 4 |
| 2016 | 4 | 9 |
| 2017 | 3 | 7 |
| 2018 | 3 | 10 |
| 2019 | 11 | 4 |
| 2020 | 8 | 10 |
| 2021 | 6 | 15 |
| 2022 | 13 | 22 |
| 2023 | 8 | 11 |
| 2024 | 10 | 5 |
| 2025 | 6 | 7 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump device, respiratory device and method for providing a respiratory gas24 Mar 2026US 12,582,793 B2Weinmann Emergency Medical Technology GmbH + Co. KG
- Methods and apparatus for controlling respiratory therapy17 Mar 2026US 12,576,225 B2ResMed Pty Ltd
- Edge handling methods for associated depth sensing camera devices, systems, and methods3 Feb 2026US 12,541,867 B2Covidien LP
- Architectures for production of nitric oxide13 Jan 2026US 12,522,501 B2Third Pole, Inc.
- Simulated respiratory tract17 Jun 2025US 12,331,732 B2Philip Morris Products S. A.
- Anesthesia system and process for controlling gas quantities in an anesthesia system14 May 2026US 2026/0131092 A1Drägerwerk AG & Co. KGaA
- Emergency ventilating and monitoring system and methods5 Jun 2025US 2025/0177674 A1
- Selective attachment device with multiple fluid sources for maintaining positive fluid pressure29 May 2025US 2025/0170360 A1Legacy Innovation Inc.
- Systems and methods for mitigating noise and vibration in a portable oxygen concentrator22 May 2025US 2025/0161622 A1Inogen, Inc.
- Emergency-Use Respiratory Device10 Apr 2025US 2025/0114549 A1Baylor University
Most cited
By later US patents
- Lung ventilator device354US 5,107,830 AUniversity of Manitoba · 1992
- Oxygen enriched reciprocating piston respirator245US 4,587,967 ALifecare Services, Inc. · 1986
- Peep control in a piston ventilator244US 5,918,597 ANellcor Puritan Bennett LLC · 1999
- Pump for a portable ventilator226US 4,493,614 ALifecare Services, Inc. · 1985
- Oxygen blending in a piston ventilator210US 6,412,483 B1Nellcor Puritan Bennett LLC · 2002