B21D 51/22
Pots
Official title: pots, e.g. for cooking
B21D51/22 (Pots) appears on 41 US grants and 39 published applications in this corpus.
Search patents in B21D- Granted patents
- 41
- Published applications
- 39
- Assignees
- 35
- Inventors
- 80
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 4 |
| 2016 | 3 | 3 |
| 2017 | 2 | 7 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 3 | 1 |
| 2021 | 2 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 4 |
| 2025 | 3 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nonstick pan and manufacturing method thereof23 Dec 2025US 12,502,024 B2Sichuan Jiuchuang Technology Co., Ltd.
- Induction heatable coated metal cooking surface22 Jul 2025US 12,364,360 B2Seb S. A.
- Physical non-stick pan with convex-concave structure, and manufacturing method thereof20 May 2025US 12,303,057 B2Zhejiang Bahe Kitchenware Co., Ltd.
- Deep fat fryer frypot11 Jun 2024US 12,004,690 B2The Frymaster Corporation
- Article with reinforced nonstick food preparation surface13 Feb 2024US 11,896,155 B2Meyer Intellectual Properties Limited
- Method for manufacturing non-stick pan liner20 Aug 2026US 2026/0241438 A1Joyoung Company Limited
- Coating-free non-stick pans and preparation methods thereof28 May 2026US 2026/0144402 A1Zhejiang Jiukang Electric Appliances Co., Ltd.
- Nonstick pan and manufacturing method thereof5 Jun 2025US 2025/0176755 A1Sichuan Jiuchuang Technology Co., Ltd.
- Article with reinforced nonstick food preparation surface7 Nov 2024US 2024/0366024 A1Meyer Intellectual Properties Limited
- Physical non-stick pan with convex-concave structure, and manufacturing method thereof12 Sep 2024US 2024/0298835 A1Zhejiang Bahe Kitchenware Co., Ltd.
Most cited
By later US patents
- Baking pan and method of forming same49US 4,195,747 AAmerican Home Products Corporation · 1980
- Cooking vessel having multiple bottom structure and method for production thereof18US 5,564,590 A1996
- Automatic machine for finishing cookware body blanks15US 4,416,133 AE. A. Doyle Manufacturing Corporation · 1983
- Method and apparatus for manufacture of a vessel7US 4,320,644 A1982
- Cookware bottom wall structure7US 4,552,284 AKidde Consumer Durables Corp. · 1985