B31F 7/004
Making tubes
Official title: {Making tubes}
B31F7/004 (Making tubes) appears on 15 US grants and 18 published applications in this corpus.
Search patents in B31F- Granted patents
- 15
- Published applications
- 18
- Assignees
- 20
- Inventors
- 51
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 4 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for manufacturing paper straws14 Oct 2025US 12,441,077 B2Novacart S.P.A.
- Apparatus and method for automatically producing tubular elements29 Jul 2025US 12,370,770 B2I.M.A. Industria Macchine Autmomatiche S.P.A.
- Continuous fanfolded joined corrugated13 Feb 2024US 11,897,223 B2WestRock Shared Services, LLC
- Continuous fanfolded joined corrugated19 Apr 2022US 11,305,505 B2WestRock Shared Services, LLC
- Cornet bending machine with independent motion control system from mechanics16 Mar 2021US 10,946,608 B2
- Sleeve and Method for Producing a Sleeve29 Jan 2026US 2026/0028149 A1Henkel AG & Co. KGaA
- Apparatus and method for automatically producing tubular elements6 Mar 2025US 2025/0074027 A1I,M.A. Industria Macchine Automatiche S.p.A.
- Apparatus and method for manufacturing paper straws12 Sep 2024US 2024/0300203 A1Novacart S.P.A.
- Apparatus for forming tubular shape adhesive tape7 Mar 2024US 2024/0075695 A1
- Continuous fanfolded joined corrugated7 Jul 2022US 2022/0212432 A1WestRock Shared Services, LLC
Most cited
By later US patents
- Arrangement for manufacturing a can16US 6,165,114 AMichael Hoerauf Maschinenfabrik GmbH & Co. KG · 2000
- Method of making a composite structure15US 5,258,087 APlascon Technologies (Proprietary) Limited · 1993
- Apparatus making thin laminate structures and forming the structures into lightweight, thin-walled tubes12US 5,169,481 APhilip Morris Incorporated · 1992
- Folding blank press with means to scarify blank surfaces intended for gluing4US 4,007,671 A1977
- Apparatus and method for manufacturing tubular member4US 4,875,960 AHokkai Can Co., Ltd. · 1989