B29C 51/04
Combined thermoforming and prestretching
Official title: Combined thermoforming and prestretching, e.g. biaxial stretching
B29C51/04 (Combined thermoforming and prestretching) appears on 381 US grants and 265 published applications in this corpus.
Search patents in B29C- Granted patents
- 381
- Published applications
- 265
- Assignees
- 232
- Inventors
- 666
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 10 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 31 | 0 |
| 1998 | 30 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 13 | 6 |
| 2002 | 10 | 8 |
| 2003 | 8 | 15 |
| 2004 | 10 | 13 |
| 2005 | 1 | 13 |
| 2006 | 3 | 12 |
| 2007 | 3 | 11 |
| 2008 | 4 | 16 |
| 2009 | 7 | 14 |
| 2010 | 14 | 10 |
| 2011 | 5 | 4 |
| 2012 | 4 | 8 |
| 2013 | 8 | 10 |
| 2014 | 5 | 14 |
| 2015 | 8 | 12 |
| 2016 | 6 | 8 |
| 2017 | 6 | 9 |
| 2018 | 9 | 15 |
| 2019 | 10 | 12 |
| 2020 | 6 | 8 |
| 2021 | 9 | 8 |
| 2022 | 7 | 9 |
| 2023 | 7 | 5 |
| 2024 | 5 | 7 |
| 2025 | 5 | 13 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composite structures and methods of forming composite structures11 Aug 2026US 12,703,158 B2Astro Tech Co., Ltd.
- Negative mold for luggage molding and application thereof19 May 2026US 12,629,882 B2Chuzhou Yujian Travel Product Co., Ltd.
- Material processing method and molding machine17 Feb 2026US 12,552,086 B2Versa 3 Technology Co., Ltd.
- Thermoplastic composite having one or more inner openings and method for molding said composite23 Dec 2025US 12,502,850 B2Dutch Thermoplastic Components B.V.
- Process for making a container of a given shape from sheet material9 Dec 2025US 12,491,674 B2Soremartec S.A.
- Rigid medical packaging made from crystalline or semi-crystalline thermoplastic polymers suitalbe for autoclave steam sterilization10 Sep 2026US 2026/0264311 A1
- Pouch Forming Device for Secondary Battery and Pouch-Type Secondary Battery Manufacturing Method Using the Same13 Aug 2026US 2026/0237798 A1LG Energy Solution, Ltd.
- Preform, method for producing resin container, and device for producing resin container6 Aug 2026US 2026/0225302 A1Nissei Asb Machine Co., Ltd.
- Method for manufacturing decorative product and decorative sheet9 Jul 2026US 2026/0192506 A1Honda Motor Co., Ltd.
- Signaling arrangements employing molded thermoplastics5 Feb 2026US 2026/0034717 A1Digimarc Corporation
Most cited
By later US patents
- Articles of manufacture and methods for manufacturing laminate structures including inorganically filled sheets312US 5,830,548 AE. Khashoggi Industries · 1998
- Sheets having a highly inorganically filled organic polymer matrix172US 5,508,072 AE. Khashoggi Industries · 1996
- Articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix171US 5,506,046 AE. Khashoggi Industries · 1996
- Starch-based compositions having uniformly dispersed fibers used to manufacture high strength articles having a fiber-reinforced, starch-bound cellular matrix165US 5,679,145 AE. Khashoggi Industries · 1997
- Highly insulative cementitious matrices and methods for their manufacture157US 5,641,584 AE. Khashoggi Industries · 1997