A61M 2230/437
The anaesthetic agent concentration
Official title: the anaesthetic agent concentration
A61M2230/437 (The anaesthetic agent concentration) appears on 114 US grants and 198 published applications in this corpus.
Search patents in A61M- Granted patents
- 114
- Published applications
- 198
- Assignees
- 101
- Inventors
- 376
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 4 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 5 |
| 2006 | 2 | 3 |
| 2007 | 3 | 6 |
| 2008 | 1 | 17 |
| 2009 | 2 | 11 |
| 2010 | 4 | 11 |
| 2011 | 6 | 9 |
| 2012 | 11 | 7 |
| 2013 | 4 | 7 |
| 2014 | 5 | 3 |
| 2015 | 8 | 12 |
| 2016 | 7 | 11 |
| 2017 | 2 | 11 |
| 2018 | 1 | 8 |
| 2019 | 8 | 4 |
| 2020 | 7 | 13 |
| 2021 | 6 | 5 |
| 2022 | 9 | 12 |
| 2023 | 5 | 12 |
| 2024 | 6 | 11 |
| 2025 | 4 | 6 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and device for detection of a leak in a ventilation circuit5 May 2026US 12,616,808 B2Drägerwerk AG & Co. KGaA
- Systems and methods for determining a length and/or a diameter of a conduit10 Feb 2026US 12,546,590 B2ResMed Sensor Technologies Limited
- Compensating for disruptions in breathing gas flow measurement25 Nov 2025US 12,478,757 B2Mallinckrodt Pharmaceuticals Ireland Limited
- Wearable device14 Oct 2025US 12,440,158 B2Kt&G Corporation
- Aerosol-generating system comprising a health monitoring device30 Sep 2025US 12,426,641 B2Philip Morris Products S. A.
- Systems and methods for identifying breathing comfort6 Aug 2026US 2026/0224834 A1ResMed Digital Health Inc.
- Devices, systems, and methods for detection of medical device23 Jul 2026US 2026/0207872 A1ResMed Pty Ltd
- Devices, systems, and methods for detection of medical device16 Jul 2026US 2026/0199627 A1ResMed Pty Ltd
- Anesthesia control system, anesthesia system and non-transitory computer readable medium4 Jun 2026US 2026/0151584 A1GE Precision Healthcare LLC
- Anaesthetic gas capture device28 May 2026US 2026/0144946 A1
Most cited
By later US patents
- Method and apparatus for the generation of nitric oxide499US 5,827,420 AWorld Precision Instruments, Inc. · 1998
- Apparatus and method for mask free delivery of an inspired gas mixture and gas sampling175US 7,152,604 B2Scott Laboratories, Inc. · 2006
- Mask free delivery of oxygen and ventilatory monitoring158US 6,938,619 B1Scott Laboratories, Inc. · 2005
- Method and apparatus for monitoring respiratory gases during anesthesia85US 6,981,947 B2University of Florida Research Foundation, Inc. · 2006
- Gas mixture and device for delivering the gas mixture to the lungs of a respiratory subject78US 5,615,669 ASiemens Elema AB · 1997