A61J 1/2082
For gas filtration
Official title: {for gas filtration}
A61J1/2082 (For gas filtration) appears on 297 US grants and 329 published applications in this corpus.
Search patents in A61J- Granted patents
- 297
- Published applications
- 329
- Assignees
- 123
- Inventors
- 431
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 8 |
| 2003 | 6 | 6 |
| 2004 | 5 | 10 |
| 2005 | 2 | 6 |
| 2006 | 3 | 4 |
| 2007 | 3 | 21 |
| 2008 | 3 | 8 |
| 2009 | 9 | 4 |
| 2010 | 6 | 15 |
| 2011 | 5 | 10 |
| 2012 | 8 | 15 |
| 2013 | 14 | 11 |
| 2014 | 9 | 14 |
| 2015 | 14 | 16 |
| 2016 | 16 | 10 |
| 2017 | 15 | 22 |
| 2018 | 16 | 16 |
| 2019 | 13 | 31 |
| 2020 | 10 | 24 |
| 2021 | 17 | 15 |
| 2022 | 14 | 14 |
| 2023 | 13 | 9 |
| 2024 | 9 | 17 |
| 2025 | 22 | 18 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressure-regulating vial adaptors29 Sep 2026US 12,746,184 B2ICU Medical, Inc.
- Medicinal fluid delivery device28 Jul 2026US 12,691,037 B2Takeda Pharmaceutical Company Limited
- Pressurized gas powered liquid transfer device and system17 Feb 2026US 12,551,405 B2Enable Injections, Inc.
- Pressure-regulating vial adaptors10 Feb 2026US 12,544,309 B2ICU Medical, Inc.
- Infusion cartridge and infusion pump27 Jan 2026US 12,533,294 B2Terumo Kabushiki Kaisha
- Direct-From-Vial Medication Transfer Device17 Sep 2026US 2026/0272782 A1
- Programmable Device for Precise Medication Delivery17 Sep 2026US 2026/0273182 A1
- Direct-From-Vial Medication Infusion System17 Sep 2026US 2026/0273183 A1
- System and Method for Aseptically Transferring Fluid25 Jun 2026US 2026/0174632 A1Applied Cells Inc.
- Pressure-regulating vial adaptors6 Nov 2025US 2025/0339342 A1ICU Medical, Inc.
Most cited
By later US patents
- Drug delivery systems and methods719US 6,645,181 B1Elan Pharma International Limited · 2003
- Fluid transfer system580US 4,564,054 A1986
- Safety device for connection of a syringe with the mouth or opening of a bottle containing a drug or a small tube for drug delivery from the syringe421US 4,576,211 AFarmitalia Carlo Erba S.p.A. · 1986
- Syringe device for mixing two compounds383US 5,827,262 ADebiotech S.A. · 1998
- Vial access adapter337US 6,139,534 ABracco Diagnostics Inc. · 2000