B29C 2949/0849
Curvature
Official title: Curvature, e.g. radius
B29C2949/0849 (Curvature) appears on 20 US grants and 23 published applications in this corpus.
Search patents in B29C- Granted patents
- 20
- Published applications
- 23
- Assignees
- 14
- Inventors
- 43
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 4 |
| 2016 | 0 | 1 |
| 2017 | 3 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
| 2021 | 1 | 4 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 3 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 2949/0856Of the bottomIndexing code12
- B29C 2949/0854Of the flangeIndexing code6
- B29C 2949/0851Of the neckIndexing code5
- B29C 2949/0852Of the threadsIndexing code5
- B29C 2949/0855Of the bodyIndexing code5
- B29C 2949/085Of the lip, i.e. the very top of the preform neckIndexing code2
- B29C 2949/0853Of the tamper-evident band retaining ringIndexing code0
- B29C 2949/086Of a layerIndexing code0
Recent patents
- Container preform made of plastic16 Dec 2025US 12,496,762 B2Sidel Participations
- Preform design for lightweight container7 May 2024US 11,975,460 B2Amcor Rigid Packaging USA, LLC
- Injection molded preform and manufacture thereof16 Apr 2024US 11,958,214 B2Gr8 Engineering Limited
- Preform and mold stack9 Jan 2024US 11,865,742 B2Husky Injection Molding Systems Ltd.
- Container preform7 Nov 2023US 11,807,412 B2Amcor Rigid Packaging USA, LLC
- Container preform made of plastics material27 Aug 2026US 2026/0249540 A1Sidel Participations
- Container preform made of plastic30 Mar 2023US 2023/0101346 A1Sidel Participations
- Preform design for lightweight container19 May 2022US 2022/0152877 A1Amcor Rigid Packaging USA, LLC
- Injection Molded Preform and Manufacture Thereof24 Mar 2022US 2022/0088831 A1Gr8 Engineering Limited
- Preform for a container made of plastic material21 Oct 2021US 2021/0323195 A1Sidel Participations
Most cited
By later US patents
- Preform and bottle using pet/pen blends and copolymers189US 5,888,598 AThe Coca-Cola Company · 1999
- Multilayered container and process for production thereof34US 4,868,026 AMitsubishi Gas Chemical Company, Inc. · 1989
- Preform and container having thread groove of varying depth15US 8,308,002 B2Amcor Limited · 2012
- Preform and container having thread groove10US 7,918,356 B2Amcor Limited · 2011
- Molded preform and container having integrated pour spout4US 8,177,098 B2Amcor Limited · 2012