A01K 63/04
Arrangements for treating water specially adapted to receptacles for live fish
A01K63/04 (Arrangements for treating water specially adapted to receptacles for live fish) appears on 1,485 US grants and 1,267 published applications in this corpus.
Search patents in A01K- Granted patents
- 1,485
- Published applications
- 1,267
- Assignees
- 666
- Inventors
- 2,451
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 23 | 0 |
| 1978 | 15 | 0 |
| 1979 | 14 | 0 |
| 1980 | 23 | 0 |
| 1981 | 18 | 0 |
| 1982 | 8 | 0 |
| 1983 | 13 | 0 |
| 1984 | 11 | 0 |
| 1985 | 16 | 0 |
| 1986 | 16 | 0 |
| 1987 | 22 | 0 |
| 1988 | 19 | 0 |
| 1989 | 22 | 0 |
| 1990 | 21 | 0 |
| 1991 | 30 | 0 |
| 1992 | 43 | 0 |
| 1993 | 39 | 0 |
| 1994 | 30 | 0 |
| 1995 | 23 | 0 |
| 1996 | 28 | 0 |
| 1997 | 31 | 0 |
| 1998 | 28 | 0 |
| 1999 | 28 | 0 |
| 2000 | 28 | 0 |
| 2001 | 35 | 3 |
| 2002 | 26 | 17 |
| 2003 | 25 | 27 |
| 2004 | 32 | 47 |
| 2005 | 26 | 41 |
| 2006 | 35 | 47 |
| 2007 | 33 | 58 |
| 2008 | 28 | 46 |
| 2009 | 35 | 56 |
| 2010 | 33 | 38 |
| 2011 | 20 | 45 |
| 2012 | 31 | 35 |
| 2013 | 25 | 42 |
| 2014 | 37 | 46 |
| 2015 | 29 | 69 |
| 2016 | 34 | 46 |
| 2017 | 39 | 57 |
| 2018 | 35 | 57 |
| 2019 | 38 | 84 |
| 2020 | 56 | 74 |
| 2021 | 46 | 74 |
| 2022 | 53 | 48 |
| 2023 | 45 | 72 |
| 2024 | 47 | 59 |
| 2025 | 38 | 52 |
| 2026 | 40 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotating filter assembly and method of use in aquaculture29 Sep 2026US 12,745,760 B1
- Modular systems and methods for propagating plants in hydroponic and aquaponic environments22 Sep 2026US 12,740,519 B2
- Plant for aquaculture and outlet for aquaculture tanks and other uses thereof22 Sep 2026US 12,740,549 B2Bue Salmon AS
- Efficient nitrogen and phosphorus removal process system for mariculture tail water treatment15 Sep 2026US 12,735,339 B2Tianjin Research Institute for Water Transport Engineering, M.O.T.
- Early warning method, apparatus, and system for nitrogen concentration in industrialized aquaponic circulating water8 Sep 2026US 12,731,435 B2China Agricultural University
- Mushroom and plant cultivation system with spore-filtered gas exchange24 Sep 2026US 2026/0283088 A1
- Aquaculture net cleaner head controller10 Sep 2026US 2026/0262613 A1Lindgren-Pitman, Inc.
- Chaetomorpha reactor, waterfall algae scrubber, and bubble upflow algae scrubber methods and devices - hybrid chaeto reactor algal turf scrubber20 Aug 2026US 2026/0240097 A1
- Environmental treatment distribution systems and methods20 Aug 2026US 2026/0240126 A1Lillianah Technologies Inc.
- Device for transport and treatment of liquid20 Aug 2026US 2026/0241347 A1Searas AS
Most cited
By later US patents
- Dissolved oxygen control system for aquaculture249US 10,219,491 B2Pentair Water Pool and Spa, Inc. · 2019
- Hydroculture crop production system125US 5,121,708 A1992
- Diffuser/emulsifier124US 6,386,751 B1Diffusion Dynamics, Inc. · 2002
- Hang on tank canister filter118US 5,401,401 AAquaria, Inc. · 1995
- Buoyant contact surfaces in waste treatment pond109US 4,169,050 ASolar Aquasystems, Inc. · 1979