A61J 1/1456
Using liquid filters
Official title: {using liquid filters}
A61J1/1456 (Using liquid filters) appears on 80 US grants and 67 published applications in this corpus.
Search patents in A61J- Granted patents
- 80
- Published applications
- 67
- Assignees
- 62
- Inventors
- 205
- Latest grant
- 10 Feb 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 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 4 |
| 2005 | 0 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 5 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 3 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 3 | 0 |
| 2017 | 2 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 6 |
| 2020 | 2 | 10 |
| 2021 | 8 | 6 |
| 2022 | 4 | 5 |
| 2023 | 3 | 3 |
| 2024 | 4 | 2 |
| 2025 | 5 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressure-regulating vial adaptors10 Feb 2026US 12,544,309 B2ICU Medical, Inc.
- Collection bottle with integrated cap, handle, and shield features25 Nov 2025US 12,478,551 B2Terumo BCT, Inc.
- Pressure-regulating vial adaptors5 Aug 2025US 12,377,022 B2ICU Medical, Inc.
- Sterile preparation, subpackage and output system for serum and method therefor24 Jun 2025US 12,336,962 B2Henan Fangzhou Medical Instrument Co., Ltd.
- Preservative removal from eye drops27 May 2025US 12,310,885 B2University of Florida Research Foundation, Inc.
- Systems, Methods, and Apparatuses for Producing and Packaging Medical Fluids7 May 2026US 2026/0124112 A1DEKA Products Limited Partnership
- Systems, Methods, and Apparatuses for Producing and Packaging Medical Fluids5 Feb 2026US 2026/0034026 A1
- Systems, Methods, and Apparatuses for Producing and Packaging Medical Fluids5 Feb 2026US 2026/0038679 A1
- Pressure-regulating vial adaptors6 Nov 2025US 2025/0339342 A1ICU Medical, Inc.
- Fluid reservoirs and associated devices and methods31 Jul 2025US 2025/0242106 A1Medtronic MiniMed, Inc.
Most cited
By later US patents
- Portable liquid purifying device having activated carbon filter and micro-porous membrane filter98US 5,681,463 ATomey Technology Corporation · 1997
- Contact-killing non-leaching antimicrobial materials71US 5,849,311 ABioPolymerix, Inc. · 1998
- Device for storing a liquid medicinal substance and for administering eye drops64US 5,499,751 A1996
- Opthalmic fluid dispensing method60US 5,013,459 ADow Corning Corporation · 1991
- Filter bottle58US 4,938,389 AEye Research Institute of Retina Foundation · 1990