B31C 3/00
Making tubes or pipes by feeding obliquely to the winding mandrel centre
Official title: Making tubes or pipes by feeding obliquely to the winding mandrel centre line
B31C3/00 (Making tubes or pipes by feeding obliquely to the winding mandrel centre) appears on 168 US grants and 134 published applications in this corpus.
Search patents in B31C- Granted patents
- 168
- Published applications
- 134
- Assignees
- 72
- Inventors
- 255
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 3 |
| 2003 | 2 | 4 |
| 2004 | 3 | 13 |
| 2005 | 4 | 10 |
| 2006 | 2 | 5 |
| 2007 | 1 | 7 |
| 2008 | 3 | 7 |
| 2009 | 2 | 3 |
| 2010 | 3 | 8 |
| 2011 | 3 | 2 |
| 2012 | 4 | 4 |
| 2013 | 2 | 3 |
| 2014 | 1 | 10 |
| 2015 | 6 | 2 |
| 2016 | 2 | 3 |
| 2017 | 3 | 5 |
| 2018 | 2 | 3 |
| 2019 | 4 | 5 |
| 2020 | 5 | 6 |
| 2021 | 6 | 9 |
| 2022 | 6 | 7 |
| 2023 | 5 | 3 |
| 2024 | 8 | 5 |
| 2025 | 2 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Void fill packaging product and methods for making11 Aug 2026US 12,703,555 B2Temperpack Technologies, Inc.
- Container with product visualization aperture21 Apr 2026US 12,605,901 B2Sonoco Development, Inc.
- Can27 Jan 2026US 12,534,263 B2Envican GmbH
- Container with removable end11 Nov 2025US 12,466,604 B2Sonoco Development, Inc.
- Packing product, uses, and method of manufacture22 Apr 2025US 12,280,933 B2
- Corewinder To Form A Log Core, Process To Form Such A Core, And Tissue Paper Logs With Said Core19 Mar 2026US 2026/0077977 A1Gambini S.P.A.
- Ovality Resistance of a Spirally Wound Fiber Tube5 Feb 2026US 2026/0035204 A1Sonoco Development, Inc.
- Internal Spraying of Paper Product Cores20 Nov 2025US 2025/0354336 A1Kimberly-Clark Worldwide, Inc.
- Container and method for manufacturing the same24 Jul 2025US 2025/0236434 A1Sonoco Development, Inc.
- Packing Product, Uses, and Method of Manufacture26 Jun 2025US 2025/0206513 A1
Most cited
By later US patents
- Core for core wound paper products having preferred seam construction77US 5,671,897 AThe Procter & Gamble Company · 1997
- Easy-open container for refrigerated dough products and the like67US 5,251,809 ASonoco Products Company · 1993
- Sealant layer for container lid63US 6,302,321 B1Sonoco Development, Inc. · 2001
- Core for core wound paper products having preferred seam construction59US 5,865,396 AThe Proctor & Gamble Company · 1999
- Container for refrigerated dough and method of forming a refrigerated dough product42US 5,084,284 AThe Pillsbury Company · 1992