A47G 21/061
Oyster knives with openers
Official title: {Oyster knives with openers; Shellfish openers (processing bivalves, e.g. oysters, A22C29/04)}
A47G21/061 (Oyster knives with openers) appears on 67 US grants and 31 published applications in this corpus.
Search patents in A47G- Granted patents
- 67
- Published applications
- 31
- Assignees
- 15
- Inventors
- 94
- Latest grant
- 9 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 2 |
| 2006 | 3 | 2 |
| 2007 | 1 | 1 |
| 2008 | 3 | 3 |
| 2009 | 1 | 0 |
| 2010 | 2 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 3 |
| 2023 | 4 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chesapeake opener9 Apr 2024US 11,950,717 B1
- Oyster shucking apparatus5 Dec 2023US 11,832,626 B2EAST HAMPTON SHUCKER COMPANY, Inc.
- Seafood sheller1 Aug 2023US 11,712,041 B2CrabKey Inc.
- Oyster shucking clamp apparatus and method13 Jun 2023US 11,672,256 B2EAST HAMPTON SHUCKER COMPANY, Inc.
- Oyster opener, multi-functional oyster opener, oyster processing system, and/or portable oyster processing device10 Jan 2023US 11,547,228 B2
- Oyster shucking apparatus12 Mar 2026US 2026/0068897 A1EAST HAMPTON SHUCKER COMPANY, Inc.
- Shellfish shucking knife23 Oct 2025US 2025/0325126 A1Coastal Creative LLC
- Spring-Loaded Oyster Shucker13 Feb 2025US 2025/0049239 A1
- Oyster shucking apparatus8 Feb 2024US 2024/0041059 A1EAST HAMPTON SHUCKER COMPANY, Inc.
- Oyster shucking apparatus15 Jun 2023US 2023/0180773 A1EAST HAMPTON SHUCKER COMPANY, Inc.
Most cited
By later US patents
- Dual purpose spoon and oyster knife30US 3,991,466 AThe Raymond Lee Organization, Inc. · 1976
- Separating meat from shell28US 4,200,961 A1980
- Oyster breaker operated by electric motor having bearing seal device22US 3,934,311 A1976
- Combination utensil19US 7,024,777 B12006
- Shellfish-opening tool17US 6,817,937 B12004