A01K 61/20
Culture of aquatic animals: of zooplankton
Official title: of zooplankton, e.g. water fleas or Rotatoria
A01K61/20 (Culture of aquatic animals: of zooplankton) appears on 41 US grants and 54 published applications in this corpus.
Search patents in A01K- Granted patents
- 41
- Published applications
- 54
- Assignees
- 25
- Inventors
- 115
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 0 | 5 |
| 2004 | 2 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 4 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 3 |
| 2014 | 4 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 1 | 5 |
| 2021 | 2 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 4 |
| 2024 | 1 | 6 |
| 2025 | 2 | 2 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for rearing Artemias, feed for Artemia, Artemia and Artemia population11 Aug 2026US 12,702,120 B2Nissui Corporation
- Micro-polluted water body treatment method based on aquatic forest system construction5 May 2026US 12,617,703 B2Shanghai Aquatic Technology Co., Ltd.
- Environmental treatment distribution systems and methods14 Apr 2026US 12,599,116 B2Lillianah Technologies Inc.
- Feed production device, feed production method, and feed device31 Mar 2026US 12,588,692 B2Quabit Inc.
- Living marine resource production method and living marine resource production device9 Sep 2025US 12,408,635 B2Yokogawa Electric Corporation
- Environmental treatment distribution systems and methods20 Aug 2026US 2026/0240126 A1Lillianah Technologies Inc.
- Floating power generation unit18 Dec 2025US 2025/0382035 A1
- Squidgly6 Mar 2025US 2025/0072403 A1
- Responsive dispersion from compartment in aqueous solution7 Nov 2024US 2024/0365758 A1
- Feed production device, feed production method, and feed device31 Oct 2024US 2024/0358044 A1Quabit Inc.
Most cited
By later US patents
- Method and apparatus for growing seafood in commercially significant quantities on land105US 4,137,868 A1979
- Flowing bed method and apparatus for culturing aquatic organisms26US 4,368,691 AThe Regents of the University of California · 1983
- Method of increasing seafood production in the barren ocean with a fertilizer comprising chelated iron25US 6,408,792 B12002
- Aquaculture25US 6,827,036 B22004
- Cultivation of dha-rich prey organisms for aquatic species23US 6,789,502 B22004