B29C 51/06
Using pressure difference for prestretching
Official title: using pressure difference {for prestretching}
B29C51/06 (Using pressure difference for prestretching) appears on 65 US grants and 71 published applications in this corpus.
Search patents in B29C- Granted patents
- 65
- Published applications
- 71
- Assignees
- 61
- Inventors
- 160
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 6 |
| 2006 | 0 | 4 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 2 | 5 |
| 2014 | 2 | 1 |
| 2015 | 1 | 5 |
| 2016 | 3 | 4 |
| 2017 | 3 | 4 |
| 2018 | 5 | 6 |
| 2019 | 2 | 4 |
| 2020 | 1 | 2 |
| 2021 | 4 | 2 |
| 2022 | 3 | 3 |
| 2023 | 2 | 0 |
| 2024 | 2 | 3 |
| 2025 | 0 | 7 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Thermoforming device and thermoforming method27 Aug 2024US 12,070,891 B2Asano Laboratories Co., Ltd.
- Vacuum forming machine having pre-blowing lower chamber28 May 2024US 11,992,979 B2Gunyang Itt Co., Ltd.
- Composite structures and methods of forming composite structures5 Sep 2023US 11,745,443 B2Guerrilla Industries LLC
- Method for producing a detergent-portion unit24 Jul 2025US 2025/0236062 A1Henkel AG & Co. KGaA
- Heating device for producing detergent metering units with improved properties24 Jul 2025US 2025/0236063 A1Henkel AG & Co. KGaA
- Detergent portion units3 Jul 2025US 2025/0214732 A1Henkel AG & Co. KGaA
- Method and apparatus for making a container12 Jun 2025US 2025/0187251 A1G. Mondini S. P. A
- Method and apparatus for making an outer skeleton of a container12 Jun 2025US 2025/0187254 A1G. Mondini S. P. A
Most cited
By later US patents
- Apparatus for accurately forming plastic sheet78US 6,257,866 B1Hy-Tech Forming Systems, Inc. · 2001
- Method to create vacuum insulated cabinets for refrigerators61US 9,221,210 B2Whirlpool Corporation · 2015
- Method to create vacuum insulated cabinets for refrigerators57US 9,463,917 B2Whirlpool Corporation · 2016
- Laminated fuel tank structure53US 5,129,544 A1992
- Manufacture of cushions47US 4,046,611 A1977