B29C 31/002
Handling tubes
Official title: {Handling tubes, e.g. transferring between shaping stations, loading on mandrels}
B29C31/002 (Handling tubes) appears on 194 US grants and 62 published applications in this corpus.
Search patents in B29C- Granted patents
- 194
- Published applications
- 62
- Assignees
- 140
- Inventors
- 327
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 11 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 3 |
| 2002 | 4 | 2 |
| 2003 | 1 | 3 |
| 2004 | 3 | 2 |
| 2005 | 1 | 4 |
| 2006 | 1 | 3 |
| 2007 | 3 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 3 | 3 |
| 2015 | 2 | 3 |
| 2016 | 3 | 5 |
| 2017 | 4 | 4 |
| 2018 | 1 | 4 |
| 2019 | 5 | 4 |
| 2020 | 2 | 6 |
| 2021 | 4 | 1 |
| 2022 | 3 | 4 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mobile pipe welding machine14 Oct 2025US 12,440,931 B2Vietz GmbH
- Container comprising fibre material for a fibre-reinforced composite component11 Jun 2024US 12,005,653 B2Blade Dynamics Limited
- Tray and magazine for handling profiles5 Dec 2023US 11,833,633 B2Stefan Pfaff Werkzeug- Und Formenbau GmbH & Co KG
- Packaging systems with clipper trigger and reset cam assemblies each comprising a plurality of cams and related cam assemblies7 Feb 2023US 11,572,211 B2Tipper Tie, Inc.
- Machine for conditioning pipes made of thermoplastic material and relative method21 Jun 2022US 11,364,672 B2Sica S.P.A.
- Self-adaptive method for the orientation of components30 Apr 2026US 2026/0118841 A1Aisapack Holding S.A.
- Connecting tube assembly for an extruder19 Dec 2024US 2024/0416571 A1BASF SE
- Mobile pipe welding machine4 May 2023US 2023/0138873 A1Vietz GmbH
- A container comprising fibre material for a fibre-reinforced composite component27 Oct 2022US 2022/0339890 A1Blade Dynamics Limited
- Extrusion press systems and methods21 Jul 2022US 2022/0226874 A1Manchester Copper Products, LLC
Most cited
By later US patents
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- Form-fill-seal packaging method and apparatus92US 4,288,965 AHayssen Manufacturing Company · 1981
- High speed contact sealer66US 5,085,036 ADelaware Capital Formation, Inc. · 1992