B29D 30/245
Drums for the single stage building process, i.e. the building-up of the
Official title: {Drums for the single stage building process, i.e. the building-up of the cylindrical carcass and the toroidal expansion of it are realised on the same drum (expansion to a toroidal shape B29D30/36)}
B29D30/245 (Drums for the single stage building process, i.e. the building-up of the) appears on 106 US grants and 110 published applications in this corpus.
Search patents in B29D- Granted patents
- 106
- Published applications
- 110
- Assignees
- 36
- Inventors
- 169
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 3 |
| 2003 | 2 | 3 |
| 2004 | 1 | 1 |
| 2005 | 2 | 5 |
| 2006 | 2 | 4 |
| 2007 | 2 | 1 |
| 2008 | 2 | 3 |
| 2009 | 0 | 5 |
| 2010 | 2 | 6 |
| 2011 | 2 | 4 |
| 2012 | 2 | 6 |
| 2013 | 2 | 1 |
| 2014 | 1 | 5 |
| 2015 | 4 | 9 |
| 2016 | 5 | 9 |
| 2017 | 6 | 9 |
| 2018 | 2 | 4 |
| 2019 | 9 | 3 |
| 2020 | 10 | 8 |
| 2021 | 9 | 8 |
| 2022 | 6 | 4 |
| 2023 | 5 | 3 |
| 2024 | 4 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- 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
- Shoulder assembly for tire building machine10 Sep 2024US 12,083,761 B2Davian Enterprises, LLC
- 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.
- Bead Clamp Ring5 Dec 2024US 2024/0399692 A1Bridgestone Americas Tire Operations, LLC
- Device for shaping a pneumatic tire comprising a conditional assistance system for the rotation of the flanges carrying the beads of the tire4 Apr 2024US 2024/0109262 A1Compagnie Generale Des Etablissements Michelin
- Process and plant for building tyres for vehicle wheels14 Mar 2024US 2024/0083129 A1Pirelli Tyre S. P. A.
Most cited
By later US patents
- Contoured tire building drum and method of building an extended mobility tire18US 5,591,288 AThe Goodyear Tire & Rubber Company · 1997
- Method of making a tire using a high crown uni-stage tire building drum18US 7,288,160 B2The Goodyear Tire & Rubber Company · 2007
- Manufacture of radial-carcass tires17US 3,971,694 ANRM Corporation · 1976
- Tire building apparatus and method17US 3,990,931 AUniroyal, Inc. · 1976
- Building and shaping a tire17US 4,243,451 AThe Goodyear Tire & Rubber Company · 1981