B29D 30/244
For manufacturing substantially cylindrical tyre components with cores or beads
Official title: {for manufacturing substantially cylindrical tyre components with cores or beads, e.g. carcasses (mechanisms for folding layers around cores or blads per se B29D30/32)}
B29D30/244 (For manufacturing substantially cylindrical tyre components with cores or beads) appears on 221 US grants and 221 published applications in this corpus.
Search patents in B29D- Granted patents
- 221
- Published applications
- 221
- Assignees
- 65
- Inventors
- 350
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 3 |
| 2002 | 5 | 6 |
| 2003 | 7 | 10 |
| 2004 | 5 | 7 |
| 2005 | 4 | 7 |
| 2006 | 7 | 9 |
| 2007 | 2 | 6 |
| 2008 | 3 | 5 |
| 2009 | 2 | 9 |
| 2010 | 4 | 9 |
| 2011 | 5 | 9 |
| 2012 | 2 | 10 |
| 2013 | 3 | 7 |
| 2014 | 5 | 13 |
| 2015 | 9 | 15 |
| 2016 | 9 | 14 |
| 2017 | 9 | 19 |
| 2018 | 5 | 7 |
| 2019 | 15 | 13 |
| 2020 | 18 | 14 |
| 2021 | 15 | 9 |
| 2022 | 9 | 9 |
| 2023 | 6 | 3 |
| 2024 | 10 | 5 |
| 2025 | 2 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for shaping a pneumatic tire comprising a conditional assistance system for the rotation of the flanges carrying the beads of the tire11 Aug 2026US 12,703,163 B2Compagnie Generale Des Etablissements Michelin
- Apparatus for building a carcass structure of a tyre for vehicle wheels5 Aug 2025US 12,377,625 B2Pirelli Tyre S. P. A.
- Plant for building tyres for vehicle wheels27 May 2025US 12,311,623 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
- Method of manufacturing pneumatic tire and forming device for pneumatic tire19 Nov 2024US 12,145,340 B2The Yokohama Rubber Co., Ltd.
- Tire building method and mechanical drum4 Dec 2025US 2025/0367895 A1Mesnac Co., Ltd.
- Transfer ring, tire building assembly and method for transferring one or more tire components30 Oct 2025US 2025/0332802 A1Vmi Holland B .V.
- Bead-lock section, drum half and tire building machine12 Jun 2025US 2025/0187283 A1Vmi Holland B .V.
- Bead Clamp Ring5 Dec 2024US 2024/0399692 A1Bridgestone Americas Tire Operations, LLC
- Method and device for adjusting axial size of middle drum assembly, and forming drum28 Nov 2024US 2024/0391197 A1Mesnac Co., Ltd.
Most cited
By later US patents
- Tire building drum37US 4,131,500 AAvon Tyres Limited · 1978
- Tire building drum30US 4,220,494 ABridgestone Tire Company Limited · 1980
- 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
- Bead lock drum for use in the manufacture of vehicle tires25US 5,354,405 AWyko Corporation · 1994