B63C 11/2209
First-stage regulators
Official title: {First-stage regulators (B63C11/2245 takes precedence)}
B63C11/2209 (First-stage regulators) appears on 80 US grants and 63 published applications in this corpus.
Search patents in B63C- Granted patents
- 80
- Published applications
- 63
- Assignees
- 33
- Inventors
- 93
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 2 |
| 2004 | 2 | 6 |
| 2005 | 1 | 0 |
| 2006 | 2 | 4 |
| 2007 | 2 | 1 |
| 2008 | 3 | 7 |
| 2009 | 1 | 0 |
| 2010 | 2 | 1 |
| 2011 | 3 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 4 |
| 2018 | 1 | 4 |
| 2019 | 2 | 3 |
| 2020 | 2 | 1 |
| 2021 | 0 | 6 |
| 2022 | 2 | 2 |
| 2023 | 5 | 4 |
| 2024 | 1 | 1 |
| 2025 | 1 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressure reduction device, process and computer program for manufacturing a pressure reduction device23 Jun 2026US 12,662,222 B2Dräger Safety AG & Co. KGaA
- Head-mounted device and imaging projection module therefor28 Apr 2026US 12,612,140 B2Eopi Co., Ltd
- First stage pressure regulator with threshold actuation24 Jun 2025US 12,337,942 B2
- Breathing apparatus for scuba diving with semi-closed circuit gas recycling28 May 2024US 11,993,353 B2La Spirotechnique Industrielle et Commerciale
- Integrated manifold system28 Nov 2023US 11,826,590 B2Special Projects Operations, Inc.
- Integrated manifold system5 Mar 2026US 2026/0061228 A1
- Valve Adapter for Breathing Apparatus22 Jan 2026US 2026/0021330 A1Dräger Safety AG & Co. KGaA
- System for inhalation-based underwater alerts26 Jun 2025US 2025/0206422 A1
- First Stage Pressure Reducer22 May 2025US 2025/0162697 A1
- Head-mounted device and imaging projection module therefor1 May 2025US 2025/0138319 A1Eopi Co., Ltd
Most cited
By later US patents
- Scuba regulator46US 4,226,257 ASherwood-Selpac Corporation · 1980
- Underwater diving system41US 4,062,356 AU.S. Divers Co., Inc. · 1977
- Pilot regulator36US 4,219,017 A1980
- Regulator with improved high pressure seat due to a plastic-covered valve body34US 5,413,096 AU. S. Divers Co. · 1995
- Fluid flow control valve34US 7,185,674 B22007