B29C 2949/20
Preforms or parisons whereby a specific part is made of only one
Official title: Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
B29C2949/20 (Preforms or parisons whereby a specific part is made of only one) appears on 925 US grants and 805 published applications in this corpus.
Search patents in B29C- Granted patents
- 925
- Published applications
- 805
- Assignees
- 292
- Inventors
- 1,231
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 11 | 0 |
| 1978 | 5 | 0 |
| 1979 | 10 | 0 |
| 1980 | 4 | 0 |
| 1981 | 18 | 0 |
| 1982 | 15 | 0 |
| 1983 | 12 | 0 |
| 1984 | 14 | 0 |
| 1985 | 14 | 0 |
| 1986 | 14 | 0 |
| 1987 | 10 | 0 |
| 1988 | 10 | 0 |
| 1989 | 11 | 0 |
| 1990 | 16 | 0 |
| 1991 | 18 | 0 |
| 1992 | 11 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 16 | 0 |
| 1996 | 16 | 0 |
| 1997 | 18 | 0 |
| 1998 | 28 | 0 |
| 1999 | 30 | 0 |
| 2000 | 13 | 0 |
| 2001 | 26 | 9 |
| 2002 | 32 | 26 |
| 2003 | 17 | 31 |
| 2004 | 22 | 37 |
| 2005 | 15 | 64 |
| 2006 | 12 | 58 |
| 2007 | 18 | 41 |
| 2008 | 22 | 61 |
| 2009 | 21 | 52 |
| 2010 | 24 | 71 |
| 2011 | 35 | 35 |
| 2012 | 43 | 35 |
| 2013 | 40 | 20 |
| 2014 | 33 | 23 |
| 2015 | 16 | 25 |
| 2016 | 19 | 19 |
| 2017 | 16 | 20 |
| 2018 | 25 | 27 |
| 2019 | 22 | 22 |
| 2020 | 16 | 21 |
| 2021 | 31 | 23 |
| 2022 | 12 | 20 |
| 2023 | 18 | 15 |
| 2024 | 19 | 20 |
| 2025 | 16 | 15 |
| 2026 | 14 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Resin mixture, method of producing resin mixture, stretch blow molded product, and method of producing stretch blow molded product22 Sep 2026US 12,742,040 B2Canon Kabushiki Kaisha
- Method and device for loading a fibre-based container with a preform and for inserting the container into a blow mold8 Sep 2026US 12,728,581 B2Alpla Werke Alwin Lehner GmbH & Co. KG
- Preforms for flair applications7 Jul 2026US 12,673,448 B2
- Preform for forming double container12 May 2026US 12,623,395 B2Yoshino Kogyosho Co., Ltd.
- Method for automatically positioning ramps in a preform heating station21 Apr 2026US 12,605,879 B2Sidel Participations
- Container preform made of plastics material27 Aug 2026US 2026/0249539 A1Sidel Participations
- Container preform made of plastics material27 Aug 2026US 2026/0249540 A1Sidel Participations
- Method for producing blow-molded article, resin composition, and pellet13 Aug 2026US 2026/0233452 A1Canon Kabushiki Kaisha
- Blow-molded article, method for producing toner bottle and blow-molded article, molded article, and pellet13 Aug 2026US 2026/0233453 A1Canon Kabushiki Kaisha
- Preform, method for producing resin container, and device for producing resin container6 Aug 2026US 2026/0225302 A1Nissei Asb Machine Co., Ltd.
Most cited
By later US patents
- Hot fill container260US 4,863,046 AContinental PET Technologies, Inc. · 1989
- Preform and bottle using pet/pen blends and copolymers189US 5,888,598 AThe Coca-Cola Company · 1999
- Biaxially drawn polyester vessel having resistance to heat distortion and gas barrier properties and process for preparation thereof179US 4,818,575 AToyo Seikan Kaisha, Ltd. · 1989
- Multilayer plastic container and method of making the same136US 6,123,211 AAmerican National Can Company · 2000
- Concentric ribbed preform and bottle made from same135US 4,892,205 AHoover Universal, Inc. · 1990