B29C 66/12421
Teardrop-like, waterdrop-like or mushroom-like interlocking undercuts
Official title: {Teardrop-like, waterdrop-like or mushroom-like interlocking undercuts}
B29C66/12421 (Teardrop-like, waterdrop-like or mushroom-like interlocking undercuts) appears on 47 US grants and 37 published applications in this corpus.
Search patents in B29C- Granted patents
- 47
- Published applications
- 37
- Assignees
- 46
- Inventors
- 127
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 2 | 3 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 4 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 4 |
| 2019 | 3 | 2 |
| 2020 | 3 | 2 |
| 2021 | 3 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of fixing housing27 Jan 2026US 12,533,854 B2Mitsubishi Electric Corporation
- Connection device25 Jul 2023US 11,708,846 B2
- Washable, waterproof, sealable and reusable soft gusseted volumized storage bags23 May 2023US 11,654,648 B2Rezip Co.
- Frame assembly for surface mount technology stencil28 Jun 2022US 11,375,621 B2Blue Ring Stencils, LLC
- Washable, waterproof, sealable and reusable storage bags7 Jun 2022US 11,351,749 B2BlueAvocado, Co.
- Method of fixing housing22 Jun 2023US 2023/0191716 A1Mitsubishi Electric Corporation
- Washable, waterproof, sealable and reusable soft gusseted volumized storage bags10 Feb 2022US 2022/0040951 A1BlueAvocado, Co.
- Frame assembly for surface mount technology stencil6 May 2021US 2021/0136924 A1Blue Ring Stencils, LLC
- Washable, waterproof, sealable and reusable storage bags7 Jan 2021US 2021/0001585 A1BlueAvocado, Co.
- Connection Device31 Dec 2020US 2020/0408234 A1
Most cited
By later US patents
- Covering panel92US 8,544,232 B2Parcolys N.V. · 2013
- Secondary containment system and method82US 5,022,685 A1991
- Tongue and groove snap-fit pipe coupling70US 5,007,666 AC & L Development Inc. · 1991
- Omni-directional fastener60US 4,046,408 A1977
- Method of making dual reuseable pouches59US 5,096,516 AZip-Pak Incorporated · 1992