A01K 63/045
Filters for aquaria
Official title: {Filters for aquaria}
A01K63/045 (Filters for aquaria) appears on 650 US grants and 553 published applications in this corpus.
Search patents in A01K- Granted patents
- 650
- Published applications
- 553
- Assignees
- 248
- Inventors
- 953
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 11 | 0 |
| 1991 | 14 | 0 |
| 1992 | 23 | 0 |
| 1993 | 19 | 0 |
| 1994 | 14 | 0 |
| 1995 | 13 | 0 |
| 1996 | 14 | 0 |
| 1997 | 13 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 0 |
| 2002 | 5 | 4 |
| 2003 | 10 | 14 |
| 2004 | 17 | 23 |
| 2005 | 9 | 16 |
| 2006 | 17 | 27 |
| 2007 | 21 | 26 |
| 2008 | 14 | 19 |
| 2009 | 19 | 32 |
| 2010 | 15 | 11 |
| 2011 | 10 | 14 |
| 2012 | 9 | 16 |
| 2013 | 10 | 19 |
| 2014 | 15 | 15 |
| 2015 | 14 | 32 |
| 2016 | 14 | 21 |
| 2017 | 22 | 23 |
| 2018 | 25 | 27 |
| 2019 | 21 | 46 |
| 2020 | 26 | 33 |
| 2021 | 14 | 28 |
| 2022 | 26 | 22 |
| 2023 | 22 | 25 |
| 2024 | 18 | 26 |
| 2025 | 17 | 21 |
| 2026 | 17 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotating filter assembly and method of use in aquaculture29 Sep 2026US 12,745,760 B1
- Plant for aquaculture and outlet for aquaculture tanks and other uses thereof22 Sep 2026US 12,740,549 B2Bue Salmon AS
- Feed formulation for aquaculture systems1 Sep 2026US 12,721,365 B1Aqua Management Technologies
- Aquarium skimmer devices, systems, and methods4 Aug 2026US 12,696,882 B2
- Vacuum air lift systems including a fluidic oscillator28 Jul 2026US 12,692,177 B2Searen, LLC
- Mushroom and plant cultivation system with spore-filtered gas exchange24 Sep 2026US 2026/0283088 A1
- Chaetomorpha reactor, waterfall algae scrubber, and bubble upflow algae scrubber methods and devices - hybrid chaeto reactor algal turf scrubber20 Aug 2026US 2026/0240097 A1
- Device for transport and treatment of liquid20 Aug 2026US 2026/0241347 A1Searas AS
- Mobile fishing assembly13 Aug 2026US 2026/0231911 A1
- Systems and methods for a multi-use pumped storage hydropower system23 Jul 2026US 2026/0210325 A1River Connectivity Solutions, LLC
Most cited
By later US patents
- Hang on tank canister filter118US 5,401,401 AAquaria, Inc. · 1995
- Automated closed recirculating aquaculture filtration system and method83US 5,961,831 ABoard of Regents, The University of Texas System · 1999
- Automated closed recirculating aquaculture filtration system83US 6,171,480 B2Board of Regents, The University of Texas System · 2001
- System for biological purification of water containing organic materials and derivative products58US 4,995,980 A1991
- External filter assembly for aquariums55US 5,728,293 AAquarium Systems, Inc. · 1998