A61M 16/201
Controlled valves
Official title: {Controlled valves}
A61M16/201 (Controlled valves) appears on 1,846 US grants and 2,518 published applications in this corpus.
Search patents in A61M- Granted patents
- 1,846
- Published applications
- 2,518
- Assignees
- 872
- Inventors
- 3,702
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 16 | 0 |
| 1996 | 20 | 0 |
| 1997 | 27 | 0 |
| 1998 | 27 | 0 |
| 1999 | 23 | 0 |
| 2000 | 34 | 0 |
| 2001 | 20 | 3 |
| 2002 | 14 | 20 |
| 2003 | 33 | 35 |
| 2004 | 17 | 35 |
| 2005 | 17 | 47 |
| 2006 | 29 | 30 |
| 2007 | 18 | 54 |
| 2008 | 17 | 56 |
| 2009 | 16 | 70 |
| 2010 | 17 | 52 |
| 2011 | 35 | 82 |
| 2012 | 41 | 53 |
| 2013 | 78 | 102 |
| 2014 | 68 | 114 |
| 2015 | 53 | 139 |
| 2016 | 60 | 116 |
| 2017 | 69 | 116 |
| 2018 | 88 | 106 |
| 2019 | 107 | 122 |
| 2020 | 117 | 163 |
| 2021 | 122 | 208 |
| 2022 | 133 | 211 |
| 2023 | 112 | 191 |
| 2024 | 124 | 167 |
| 2025 | 120 | 141 |
| 2026 | 64 | 85 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for controlling valve6 Oct 2026US 12,752,072 B2Koninklijke Philips N. V.
- Apparatus and method for improved assisted ventilation22 Sep 2026US 12,741,110 B2CoLabs Medical, Inc.
- Automatic medicine replacement and atomization device22 Sep 2026US 12,741,115 B2Medcaptain Medical Technology Co., Ltd.
- Gas-driven, pressure-regulated ventilator22 Sep 2026US 12,741,116 B2Oregon Health & Science University
- Systems and methods of aerosol delivery with airflow regulation15 Sep 2026US 12,734,317 B2Altria Client Services LLC
- Device for supplying breating gas8 Oct 2026US 2026/0306770 A1Loewenstein Medical Technology S.A.
- NO delivery apparatus incorporating flexible conduit purge means8 Oct 2026US 2026/0306773 A1Inosystems
- Assisted breathing apparatus and method17 Sep 2026US 2026/0273211 A1Aria Metasystems S.A.P.I. De C.V.
- Apparatuses, systems, and methods for generating nitric oxide17 Sep 2026US 2026/0275557 A1Nanjing Novlead Biotechnology Co., Ltd.
- Noise reduction box and ventilation therapy apparatus10 Sep 2026US 2026/0263713 A1Bmc (Dongguan) Medical Co., Ltd.
Most cited
By later US patents
- Delivery of aerosol medications for inspiration598US 5,404,871 AAradigm Corporation · 1995
- Method and apparatus for maintaining airway patency to treat sleep apnea and other disorders565US 5,148,802 ARespironics, Inc. · 1992
- Facial masks for assisted respiration or CPAP557US 5,560,354 AResCare Limited · 1996
- Control for CPAP apparatus499US 5,551,419 ADeVilbiss Health Care, Inc. · 1996
- Inspiratory airway pressure system using constant pressure and measuring flow signals to determine airway patency380US 5,549,106 APuritan-Bennett Corporation · 1996