B31F 7/002
Tubular articles
Official title: {tubular articles, e.g. changing the cross-section}
B31F7/002 (Tubular articles) appears on 11 US grants and 10 published applications in this corpus.
Search patents in B31F- Granted patents
- 11
- Published applications
- 10
- Assignees
- 11
- Inventors
- 23
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Container with product visualization aperture21 Apr 2026US 12,605,901 B2Sonoco Development, Inc.
- Container with product visualization aperture2 Apr 2024US 11,945,174 B2Sonoco Development, Inc.
- Container with product visualization aperture19 Apr 2022US 11,305,493 B2Sonoco Development, Inc.
- Method of making a paper straw with a bend13 Apr 2021US 10,974,477 B1
- Cornet bending machine with independent motion control system from mechanics16 Mar 2021US 10,946,608 B2
- Core corrector6 Feb 2025US 2025/0042121 A1Encore Packaging LLC
- Container with product visualization aperture11 Jul 2024US 2024/0227313 A1Sonoco Development, Inc.
- Method and apparatus for making a corrugated zone to a drinking straw11 May 2023US 2023/0145726 A1Dolea Oy
- Coating process of segmented paper pulp bottle blanks and production process of segmented paper pulp bottles1 Sep 2022US 2022/0274367 A1Shurcon Manufacturing (Zhejiang) Co., Ltd.
- Container with product visualization aperture23 Jun 2022US 2022/0194016 A1Sonoco Development, Inc.
Most cited
By later US patents
- Casket shell structures24US 5,771,549 ABatesville Casket Company, Inc. · 1998
- Resin coated can with folded seam12US 4,872,590 AAjinomoto Co., Inc. · 1989
- Paperboard container having curvilinear portion5US 7,703,664 B2Sonoco Development, Inc. · 2010
- Machine for the production of packaging wrappers3US 4,268,261 AFirma Kohmann GmbH & Co. · 1981
- Device for making grooves in cigarette filters2US 4,517,046 ABrown & Williamson Tobacco Corporation · 1985