B29C 45/2612
For manufacturing tubular articles with an annular groove
Official title: {for manufacturing tubular articles with an annular groove}
B29C45/2612 (For manufacturing tubular articles with an annular groove) appears on 46 US grants and 48 published applications in this corpus.
Search patents in B29C- Granted patents
- 46
- Published applications
- 48
- Assignees
- 42
- Inventors
- 93
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 3 |
| 2015 | 1 | 3 |
| 2016 | 0 | 0 |
| 2017 | 3 | 0 |
| 2018 | 3 | 4 |
| 2019 | 1 | 5 |
| 2020 | 2 | 3 |
| 2021 | 3 | 4 |
| 2022 | 2 | 6 |
| 2023 | 3 | 7 |
| 2024 | 6 | 2 |
| 2025 | 5 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Injection mould2 Dec 2025US 12,485,594 B2MHT Mold & Hotrunner Technology AG
- Method for molding thin-walled spiral tube for use with endoscope4 Nov 2025US 12,458,212 B2Olympus Corporation
- Injection-moldable aerator mixing rod and method of manufacturing thereof2 Sep 2025US 12,402,755 B2Rich Products Corporation
- Cosmetic product applicator, cosmetic product packaging assembly and associated manufacturing processes26 Aug 2025US 12,396,543 B2L'oreal
- Tubing coupler moldings and systems, and associated methods1 Jul 2025US 12,343,912 B2Repligen Corporation
- Actuator, method of manufacturing actuator case thereof, and core for manufacturing10 Sep 2026US 2026/0266345 A1Hitachi Astemo, Ltd.
- A plumbing connector9 Apr 2026US 2026/0098600 A9Reliance Worldwide Corporation (UK) Limited
- Injection-moldable aerator mixing rod and method of manufacturing thereof5 Mar 2026US 2026/0060479 A1Rich Products Corporation
- Cosmetic product applicator, cosmetic product packaging assembly and associated manufacturing processes1 Aug 2024US 2024/0251930 A1L'oreal
- Surface topology manipulation for performance enchancement of additively manufactured fluid-interacting components4 Jul 2024US 2024/0218795 A1Special Aerospace Services, LLC
Most cited
By later US patents
- Method of forming a bell end on thermoplastic pipe32US 4,113,829 APhilips Industries Inc. · 1978
- Lens barrel25US 6,424,469 B2Canon Kabushiki Kaisha · 2002
- Method of producing undercut tubular synthetic plastic articles16US 4,127,632 AAnton Anger Maschinenbau GmbH · 1978
- Groove molding method15US 4,044,092 A1977
- Method of making socketed pipe-fittings of synthetic plastics material by injection moulding, apparatus for carrying out said method10US 4,428,899 A1984