B29C 66/4326
For making hollow articles or hollow-preforms
Official title: {for making hollow articles or hollow-preforms, e.g. half-shells}
B29C66/4326 (For making hollow articles or hollow-preforms) appears on 178 US grants and 175 published applications in this corpus.
Search patents in B29C- Granted patents
- 178
- Published applications
- 175
- Assignees
- 126
- Inventors
- 346
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 6 |
| 2003 | 6 | 6 |
| 2004 | 1 | 3 |
| 2005 | 1 | 5 |
| 2006 | 2 | 2 |
| 2007 | 1 | 5 |
| 2008 | 2 | 4 |
| 2009 | 3 | 3 |
| 2010 | 1 | 4 |
| 2011 | 1 | 6 |
| 2012 | 6 | 11 |
| 2013 | 4 | 10 |
| 2014 | 7 | 7 |
| 2015 | 6 | 10 |
| 2016 | 7 | 9 |
| 2017 | 10 | 10 |
| 2018 | 4 | 12 |
| 2019 | 13 | 14 |
| 2020 | 10 | 11 |
| 2021 | 9 | 8 |
| 2022 | 12 | 10 |
| 2023 | 11 | 6 |
| 2024 | 4 | 2 |
| 2025 | 3 | 9 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacturing of polyethylene thin films for high-altitude balloons23 Dec 2025US 12,502,843 B2Aerostar International, LLC
- Airbag cushion14 Oct 2025US 12,441,269 B2Toray Industries, Inc.
- Insulating device24 Jun 2025US 12,338,056 B2YETI Coolers, LLC
- Process for forming a container24 Dec 2024US 12,172,404 B2Kool Global Solutions Pty Ltd
- Insulating container22 Oct 2024US 12,122,586 B2YETI Coolers, LLC
- Manufacturing of polyethylene thin films for high-altitude balloons12 Mar 2026US 2026/0070287 A1Aerostar International, LLC
- Laser-welded article and method therefor25 Dec 2025US 2025/0387978 A1Lear Corporation
- Connecting member and method for manufacturing connecting member4 Dec 2025US 2025/0367886 A1Resonac Corporation
- Dual edge binder machine and operating method16 Oct 2025US 2025/0319670 A1PacMar Technologies LLC
- Sealing apparatus and method4 Sep 2025US 2025/0276496 A1Sewtec Automation Limited
Most cited
By later US patents
- Insulating container342US 9,139,352 B2YETI Coolers, LLC · 2015
- Insulating container127US 9,796,517 B2YETI Coolers, LLC · 2017
- Method for fastening aircraft frame elements to sandwich skin panels covering same using woven fiber connectors120US 4,671,470 ABeech Aircraft Corporation · 1987
- Insulating device and method for forming insulating device116US 10,384,855 B2YETI Coolers, LLC · 2019
- Modular structure for building panels and methods of making and using same108US 7,127,865 B22006