B29C 51/34
For undercut articles
Official title: for undercut articles
B29C51/34 (For undercut articles) appears on 109 US grants and 84 published applications in this corpus.
Search patents in B29C- Granted patents
- 109
- Published applications
- 84
- Assignees
- 84
- Inventors
- 238
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 5 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 5 |
| 2006 | 3 | 4 |
| 2007 | 3 | 4 |
| 2008 | 0 | 4 |
| 2009 | 3 | 4 |
| 2010 | 5 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 4 |
| 2014 | 1 | 3 |
| 2015 | 3 | 5 |
| 2016 | 0 | 5 |
| 2017 | 2 | 1 |
| 2018 | 5 | 6 |
| 2019 | 1 | 2 |
| 2020 | 4 | 5 |
| 2021 | 4 | 6 |
| 2022 | 3 | 2 |
| 2023 | 3 | 3 |
| 2024 | 2 | 3 |
| 2025 | 5 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mold with weakened region10 Feb 2026US 12,544,195 B2Align Technology, Inc.
- Mold with receiving element and separable features19 Aug 2025US 12,390,960 B2Align Technology, Inc.
- Container forming apparatus, container forming method, container, and instant food packaging method using container18 Mar 2025US 12,251,869 B2Cj Cheiljedang Corporation
- Generating a virtual 3D model of a mold18 Feb 2025US 12,226,284 B2Align Technology, Inc.
- Vacuum forming process21 Jan 2025US 12,202,189 B2Acell Industries Limited
- Method and apparatus for the production of plastic containers23 Jul 2026US 2026/0208427 A1Sacmi Imola S.C.
- Mold including sections joined by a weakened region18 Jun 2026US 2026/0165822 A1Align Technology, Inc.
- Manufacturing a shell using a mold18 Dec 2025US 2025/0381711 A1Align Technology, Inc.
- Mold with weakened region22 May 2025US 2025/0161006 A1Align Technology, Inc.
- Molding tool for producing molded parts and method for producing molded parts using a molding tool26 Sep 2024US 2024/0316855 A1KIEFEL GmbH
Most cited
By later US patents
- Mold with weakened areas70US 9,943,386 B2Align Technology, Inc. · 2018
- Helmet, helmet liner and method for manufacturing the same69US 7,676,854 B2Crescendo AS · 2010
- Tamper-evident, differential pressure-thermoformed lidded plastic container65US 4,836,407 ACPC-Rexcel, Inc. · 1989
- Mold with separable features63US 9,943,991 B2Align Technology, Inc. · 2018
- Retractable mold protrusion assembly52US 5,198,244 AAmerican Sheet Extrusion Corporation · 1993