B29D 2030/3214
Locking the beads on the drum
Official title: {Locking the beads on the drum; details of the drum in the bead locking areas, e.g. drum shoulders}
B29D2030/3214 (Locking the beads on the drum) appears on 102 US grants and 68 published applications in this corpus.
Search patents in B29D- Granted patents
- 102
- Published applications
- 68
- Assignees
- 48
- Inventors
- 209
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 8 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 5 |
| 2003 | 5 | 4 |
| 2004 | 3 | 1 |
| 2005 | 2 | 2 |
| 2006 | 3 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 4 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 3 |
| 2017 | 2 | 6 |
| 2018 | 0 | 2 |
| 2019 | 2 | 6 |
| 2020 | 1 | 5 |
| 2021 | 7 | 5 |
| 2022 | 2 | 3 |
| 2023 | 3 | 2 |
| 2024 | 3 | 2 |
| 2025 | 1 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Follow-up control method and system for forming machine22 Sep 2026US 12,741,434 B2Mesnac Co., Ltd.
- Tire production method and apparatus5 May 2026US 12,617,168 B2Mesnac Co., Ltd.
- Apparatus for building a carcass structure of a tyre for vehicle wheels5 Aug 2025US 12,377,625 B2Pirelli Tyre S. P. A.
- Expandable drum for shaping pneumatic tires that comprises a parallelogram-type expander device for retaining the bead wire19 Nov 2024US 12,145,339 B2Compagnie Generale Des Etablissements Michelin
- Bead clamp ring12 Nov 2024US 12,138,878 B1Bridgestone Americas Tire Operations, LLC
- Turn-up method and turn-up mechanism10 Sep 2026US 2026/0264353 A1Mesnac Co., Ltd.
- Method for producing a pneumatic tyre13 Aug 2026US 2026/0233480 A1Continental Reifen Deutschland GmbH
- Tire building method and mechanical drum4 Dec 2025US 2025/0367895 A1Mesnac Co., Ltd.
- Bead-lock section, drum half and tire building machine12 Jun 2025US 2025/0187283 A1Vmi Holland B .V.
- Follow-up control method and system for forming machine20 Feb 2025US 2025/0058537 A1Mesnac Co., Ltd.
Most cited
By later US patents
- Tire building drum37US 4,131,500 AAvon Tyres Limited · 1978
- Tire building drum30US 4,239,579 AThe Goodyear Tire & Rubber Company · 1980
- Tire assembly drum26US 6,234,227 B1Compagnie Generale des Etablissements Michelin - Michelin & Cie · 2001
- Tire building drum25US 4,010,058 AThe Goodyear Tire & Rubber Company · 1977
- Drum and method of shaping a radial tire23US 4,325,764 AThe Goodyear Tire & Rubber Company · 1982