A61M 21/00
Devices for delivering substances into the body: other devices or methods to
Official title: Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
A61M21/00 (Devices for delivering substances into the body: other devices or methods to) appears on 2,703 US grants and 4,588 published applications in this corpus.
Search patents in A61M- Granted patents
- 2,703
- Published applications
- 4,588
- Assignees
- 1,678
- Inventors
- 7,031
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 11 | 0 |
| 1992 | 20 | 0 |
| 1993 | 12 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 12 | 0 |
| 2000 | 21 | 0 |
| 2001 | 17 | 8 |
| 2002 | 18 | 17 |
| 2003 | 24 | 36 |
| 2004 | 13 | 44 |
| 2005 | 17 | 48 |
| 2006 | 20 | 69 |
| 2007 | 18 | 42 |
| 2008 | 20 | 51 |
| 2009 | 20 | 69 |
| 2010 | 31 | 110 |
| 2011 | 24 | 89 |
| 2012 | 29 | 66 |
| 2013 | 60 | 115 |
| 2014 | 56 | 191 |
| 2015 | 69 | 178 |
| 2016 | 80 | 182 |
| 2017 | 111 | 246 |
| 2018 | 141 | 260 |
| 2019 | 215 | 336 |
| 2020 | 239 | 387 |
| 2021 | 235 | 370 |
| 2022 | 227 | 345 |
| 2023 | 235 | 386 |
| 2024 | 218 | 369 |
| 2025 | 220 | 310 |
| 2026 | 145 | 264 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 2021/0005Devices for delivering substances into the body: other devices or methods toIndexing code2,537
- A61M 21/02Devices for delivering substances into the body: other devices or methods to1,585
- A61M 21/0094Isolation chambers used therewith, i.e. for isolating individuals from external stimuli96
Recent patents
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- Recommendation methods, systems and devices6 Oct 2026US 12,755,828 B1The Joan and Irwin Jacobs Technion-Cornell Institute
- Lighting system for circadian control and enhanced performance29 Sep 2026US 12,746,363 B2Brown University
- Methods and systems for sleep management22 Sep 2026US 12,741,117 B2ResMed Sensor Technologies Limited
- Aerosol delivery device, an article for use therewith, and a method of identifying an article8 Oct 2026US 2026/0305711 A1Nicoventures Trading Limited
- Wearable device and system for alleviating fatigue8 Oct 2026US 2026/0306784 A1
- Ai-powered neuroplasticity via wearable and embedded brain interfaces8 Oct 2026US 2026/0306785 A1Neurobolt.ai
- Systems and methods for visual cortex targeting and treatment8 Oct 2026US 2026/0306786 A1Sana Health, Inc.
- Persistent emotional core module for multi-housing interactive companions8 Oct 2026US 2026/0306956 A1AIfection LLC
Most cited
By later US patents
- Pneumonia screener367US 11,185,262 B2Masimo Corporation · 2021
- Vigilance monitoring system322US 6,575,902 B1Compumedics Limited · 2003
- Stress reduction system and method303US 5,304,112 A1994
- System and method for monitoring eye movement284US 6,542,081 B22003
- Method and device for producing a desired brain state264US 6,488,617 B1Universal Hedonics · 2002