A01K 63/047
Liquid pumps for aquaria
Official title: {Liquid pumps for aquaria (air pumps for aquaria A01K63/042)}
A01K63/047 (Liquid pumps for aquaria) appears on 262 US grants and 267 published applications in this corpus.
Search patents in A01K- Granted patents
- 262
- Published applications
- 267
- Assignees
- 126
- Inventors
- 443
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 1 |
| 2003 | 6 | 2 |
| 2004 | 3 | 3 |
| 2005 | 3 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 7 |
| 2008 | 4 | 5 |
| 2009 | 3 | 3 |
| 2010 | 4 | 5 |
| 2011 | 2 | 3 |
| 2012 | 2 | 3 |
| 2013 | 2 | 4 |
| 2014 | 4 | 8 |
| 2015 | 3 | 10 |
| 2016 | 6 | 16 |
| 2017 | 11 | 18 |
| 2018 | 13 | 18 |
| 2019 | 17 | 32 |
| 2020 | 11 | 26 |
| 2021 | 15 | 29 |
| 2022 | 23 | 8 |
| 2023 | 17 | 23 |
| 2024 | 16 | 13 |
| 2025 | 9 | 17 |
| 2026 | 17 | 9 |
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
- 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
- Peristaltic metering pump and methods of operation1 Sep 2026US 12,721,325 B2EcoTech, LLC
- Fish guide device for pump and axial flow pump/tubular flow pump station21 Jul 2026US 12,687,173 B2Jiangsu 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.
- Systems and methods for a multi-use pumped storage hydropower system23 Jul 2026US 2026/0210325 A1River Connectivity Solutions, LLC
- Fish guide device for pump and axial flow pump/tubular flow pump station18 Jun 2026US 2026/0168508 A1Jiangsu University
- Circulating aquarium heater having spiral alloy heating tube and water guiding and pumping structure21 May 2026US 2026/0137066 A1Shenzhen Mago Trading Co., Ltd
Most cited
By later US patents
- Dissolved oxygen control system for aquaculture249US 10,219,491 B2Pentair Water Pool and Spa, Inc. · 2019
- Bracketless magnetic pump62US 7,393,188 B2EcoTech, LLC · 2008
- Centrifugal pump especially for aquariums60US 4,985,181 ANewa S.R.L. · 1991
- Agitators for wave-making or mixing as for tanks, and pumps and filters59US 6,488,401 B12002
- Freestanding aquarium filter54US 4,601,821 AAquaria, Inc. · 1986