A01K 67/33
Earthworms
Official title: Earthworms (genetically modified worms A01K67/63)
A01K67/33 (Earthworms) appears on 51 US grants and 54 published applications in this corpus.
Search patents in A01K- Granted patents
- 51
- Published applications
- 54
- Assignees
- 32
- Inventors
- 115
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 3 |
| 2004 | 4 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 5 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 3 |
| 2012 | 2 | 3 |
| 2013 | 0 | 3 |
| 2014 | 5 | 2 |
| 2015 | 3 | 5 |
| 2016 | 1 | 2 |
| 2017 | 0 | 2 |
| 2018 | 0 | 4 |
| 2019 | 3 | 2 |
| 2020 | 3 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 4 |
| 2025 | 0 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Circular moving layout structure and method for stacked biological culture trays on ground, and pasture plant22 Sep 2026US 12,740,515 B2Qingdao Renjinli Innovation Technology Center (Sole Proprietorship)
- Method for building farmland ecosystem with multiple mutual-benefit species in multiple habitats5 Dec 2023US 11,832,567 B2Agricultural Environmental Resources Research Institute, Yunnan Academy of Agricultural Sciences
- Live bait container assemblies12 Jul 2022US 11,382,321 B1
- Chamber for growing invertebrates5 Apr 2022US 11,291,193 B2
- Internet of things (IoT) biotower (BloTower#) system and process for recycling food wastes into nutrients for growing organic plants15 Dec 2020US 10,865,155 B2Ton Duc Thang University
- Worm bed system and apparatus5 Mar 2026US 2026/0060223 A1Annelida Soil Solutions Ltd.
- Controlled environment agriculture system and method19 Feb 2026US 2026/0047535 A1Leftfield Urban Limited
- System and Method for Vermiculture Filtration11 Dec 2025US 2025/0376395 A1
- Circular moving layout structure and method for stacked biological culture trays on ground, and pasture plant18 Sep 2025US 2025/0287881 A1Qingdao Renjinli Innovation Technology Center (Sole Proprietorship)
- Insect larva transport container and bioreactor for treating organic waste3 Oct 2024US 2024/0327310 A1Bybug SpA
Most cited
By later US patents
- Habitat for earthworm cultivation28US 3,961,603 A1976
- Means and methods of reclaiming and processing biodegradable waste into poultry products and humus-like substances21US 4,262,633 A1981
- Extractor and separator apparatus18US 6,019,227 A2000
- High efficiency vermiculture process and apparatus16US 6,223,687 B12001
- Method and apparatus for removing earthworms from soil using electric pulses14US 4,817,331 A1989