A61M 2206/16
Rotating swirling helical flow
Official title: Rotating swirling helical flow, e.g. by tangential inflows
A61M2206/16 (Rotating swirling helical flow) appears on 623 US grants and 758 published applications in this corpus.
Search patents in A61M- Granted patents
- 623
- Published applications
- 758
- Assignees
- 350
- Inventors
- 1,293
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 2 |
| 2002 | 17 | 15 |
| 2003 | 9 | 14 |
| 2004 | 10 | 10 |
| 2005 | 6 | 29 |
| 2006 | 5 | 13 |
| 2007 | 8 | 15 |
| 2008 | 7 | 15 |
| 2009 | 10 | 23 |
| 2010 | 12 | 28 |
| 2011 | 12 | 27 |
| 2012 | 15 | 26 |
| 2013 | 26 | 25 |
| 2014 | 19 | 31 |
| 2015 | 26 | 32 |
| 2016 | 18 | 35 |
| 2017 | 25 | 40 |
| 2018 | 17 | 29 |
| 2019 | 42 | 32 |
| 2020 | 30 | 53 |
| 2021 | 35 | 64 |
| 2022 | 31 | 53 |
| 2023 | 34 | 38 |
| 2024 | 42 | 33 |
| 2025 | 37 | 51 |
| 2026 | 27 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Inhaler27 Aug 2026US 2026/0249026 A1Kt&G Corporation
- High Pressure Inhalation Device20 Aug 2026US 2026/0241116 A1Invox Belgium NV
- Inhalation device6 Aug 2026US 2026/0224828 A1Merxin Limited
- Inhaler30 Jul 2026US 2026/0215519 A1Kt&G Corporation
- Device for inhaling powder-type substances, substance container for a device of this type and method for filling a device of this type16 Jul 2026US 2026/0199614 A1
Most cited
By later US patents
- Method and device for delivering aerosolized medicaments387US 5,458,135 AInhale Therapeutic Systems · 1995
- Device in powder inhalators216US 4,907,583 AAktiebolaget Draco · 1990
- Method and device for delivering aerosolized medicaments216US 5,775,320 AInhale Therapeutic Systems · 1998
- Powder inhaler202US 5,301,666 AAsta Medica Aktiengesellschaft · 1994
- Methods and apparatus for delivering aerosolized medication175US 5,954,047 ASystemic Pulmonary Development, Ltd. · 1999