B29C 53/30
Of tubes
Official title: of tubes (by blow-moulding B29C49/00)
B29C53/30 (Of tubes) appears on 90 US grants and 59 published applications in this corpus.
Search patents in B29C- Granted patents
- 90
- Published applications
- 59
- Assignees
- 60
- Inventors
- 173
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 8 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 4 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 2 | 0 |
| 2014 | 0 | 3 |
| 2015 | 4 | 2 |
| 2016 | 1 | 0 |
| 2017 | 3 | 5 |
| 2018 | 3 | 3 |
| 2019 | 2 | 3 |
| 2020 | 4 | 2 |
| 2021 | 2 | 4 |
| 2022 | 4 | 3 |
| 2023 | 4 | 2 |
| 2024 | 2 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for mold block exchange on return track27 Jan 2026US 12,533,831 B2
- Manufacturing method and manufacturing equipment for corrugated net20 May 2025US 12,303,080 B2
- Manufacturing method and manufacturing equipment for corrugated net13 Aug 2024US 12,059,107 B2
- Filler pipe and method for manufacturing filler pipe20 Feb 2024US 11,906,077 B2Yachiyo Industry Co., Ltd.
- Preformed thermoplastic tube including at least one bend21 Nov 2023US 11,820,067 B2KA Group AG
- Mold set, method for manufacturing straw using mold set, and straw30 Jul 2026US 2026/0216926 A1Kaneka Corporation
- Tube production, pre-insulated tubular rods4 Sep 2025US 2025/0276480 A1
- Dual pipe manufacturing cell27 Mar 2025US 2025/0100206 A1Advanced Drainage Systems, Inc.
- Manufacturing method and manufacturing equipment for corrugated net17 Oct 2024US 2024/0341543 A1
- System and Method for Mold Block Exchange on Return Track26 Sep 2024US 2024/0316828 A1
Most cited
By later US patents
- Packing can60US 5,100,017 AToyo Seikan Kaisha, Ltd. · 1992
- Process of forming an irregular surface on the inside of a tube or pipe57US 3,944,641 A1976
- Method of making flat bottom plastic bag55US 4,526,565 ALinear Films, Inc. · 1985
- Reducing crimping damage to polymer scaffold52US 8,539,663 B2Abbott Cardiovascular Systems Inc. · 2013
- Method of connecting plastic tube to a plastic part47US 4,354,495 ASherwood Medical Industries Inc. · 1982