A61M 2202/0266
Nitrogen
Official title: Nitrogen (N)
A61M2202/0266 (Nitrogen) appears on 758 US grants and 1,182 published applications in this corpus.
Search patents in A61M- Granted patents
- 758
- Published applications
- 1,182
- Assignees
- 358
- Inventors
- 1,470
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 15 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 6 | 5 |
| 2002 | 7 | 10 |
| 2003 | 8 | 16 |
| 2004 | 6 | 13 |
| 2005 | 5 | 14 |
| 2006 | 6 | 12 |
| 2007 | 5 | 16 |
| 2008 | 4 | 32 |
| 2009 | 11 | 25 |
| 2010 | 8 | 25 |
| 2011 | 21 | 30 |
| 2012 | 22 | 44 |
| 2013 | 29 | 45 |
| 2014 | 37 | 58 |
| 2015 | 20 | 87 |
| 2016 | 34 | 49 |
| 2017 | 32 | 62 |
| 2018 | 38 | 46 |
| 2019 | 45 | 50 |
| 2020 | 57 | 89 |
| 2021 | 45 | 91 |
| 2022 | 60 | 70 |
| 2023 | 59 | 105 |
| 2024 | 51 | 79 |
| 2025 | 49 | 66 |
| 2026 | 34 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for delivery of psychedelic medications by inhalation and systems for performing the methods6 Oct 2026US 12,751,940 B2Cybin IRL Limited
- Catheters and systems for direct injection of gas-enriched liquid into a patient6 Oct 2026US 12,752,078 B2Zoll Circulation, Inc.
- Thermally controlled face engaging device25 Aug 2026US 12,714,596 B2EMBR Labs IP LLC
- Apparatus, methods, and systems for providing pharmaceutical compositions in the form of droplets for aerosol administration and inhalation delivery25 Aug 2026US 12,714,705 B2
- Working fluid treatment device for mass transfer between a working fluid and two fluid exchange media11 Aug 2026US 12,702,744 B2Maquet Cardiopulmonary GmbH
- NO delivery apparatus incorporating flexible conduit purge means8 Oct 2026US 2026/0306773 A1Inosystems
- System and method for delivery of gas to a tissue1 Oct 2026US 2026/0295229 A1Beyond Air, Inc.
- Methods employing gaseous nitric oxide for inhibiting tumor growth24 Sep 2026US 2026/0284331 A1Beyond Air, Inc.
- Apparatuses, systems, and methods for generating nitric oxide17 Sep 2026US 2026/0275557 A1Nanjing Novlead Biotechnology Co., Ltd.
- Infusing dissolved oxygen into i.v. fluids to provide short term emergency oxygenation of venous blood for compromised or trauma patients10 Sep 2026US 2026/0263673 A1GIS Ventures Inc.
Most cited
By later US patents
- Method and apparatus for the generation of nitric oxide499US 5,827,420 AWorld Precision Instruments, Inc. · 1998
- Apparatus for the monitored metering of no into patients' respiratory air487US 5,531,218 AMesser Griesheim GmbH · 1996
- Indirect calorimeter for medical applications391US 6,629,934 B2Healthetech, Inc. · 2003
- Nitric oxide delivery system280US 5,558,083 AOhmeda Inc. · 1996
- Microprocessor-controlled ventilator system and methods273US 5,692,497 AChildren's Medical Center Corporation · 1997