B31F 1/205
Corrugating tubes
Official title: {Corrugating tubes (corrugating tube ends B31F1/008; making tubes, not otherwise provided for, B31F7/004; corrugating metal tubes B21D15/00)}
B31F1/205 (Corrugating tubes) appears on 15 US grants and 14 published applications in this corpus.
Search patents in B31F- Granted patents
- 15
- Published applications
- 14
- Assignees
- 11
- Inventors
- 23
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 6 |
| 2024 | 3 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Straw made from paper or paper-like material15 Jul 2025US 12,357,116 B2Tembo Paper B.V.
- Machine and method for the automated production of straws1 Oct 2024US 12,103,265 B2I,M.A. Industria Macchine Automatiche S.p.A.
- Machine and method for the automated production of straws17 Sep 2024US 12,090,726 B2I,M.A. Industria Macchine Automatiche S.p.A.
- Apparatus and method for shaping tubular elements11 Jun 2024US 12,005,673 B2I,M.A. Industria Macchine Automatiche S.p.A.
- Method for manufacturing flexible paper straw and flexible paper straw2 May 2023US 11,638,496 B2Grand Ai Co., Ltd.
- Threaded paper lid for container19 Jun 2025US 2025/0197071 A1Seda International Packaging Group SpA
- Apparatus and method for shaping tubular elements19 Oct 2023US 2023/0330963 A1I,M.A. Industria Macchine Automatiche S.p.A.
- Machine and method for the automated production of straws17 Aug 2023US 2023/0256700 A1I,M.A. Industria Macchine Automatiche S.p.A.
- Machine and method for the automated production of straws17 Aug 2023US 2023/0256701 A1I,M.A. Industria Macchine Automatiche S.p.A.
- Flexible paper straw22 Jun 2023US 2023/0190023 A1Grand Ai Co., Ltd.
Most cited
By later US patents
- Pleated filter and method and apparatus for fabricating same64US 4,594,162 AAmerican Filtrona Corporation · 1986
- Procedure and relevant mechanical apparatus to obtain the folding section of a plastic drinking straw14US 4,613,474 A1986
- Profiling of tubes9US 9,339,979 B22016
- Flexible straw and system and method of manufacturing the same8US 9,974,403 B12018
- Profiling of tubes6US 8,540,926 B22013