B29D 2030/523
Ring-shaped treads
Official title: {Ring-shaped treads}
B29D2030/523 (Ring-shaped treads) appears on 55 US grants and 30 published applications in this corpus.
Search patents in B29D- Granted patents
- 55
- Published applications
- 30
- Assignees
- 21
- Inventors
- 100
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 3 |
| 2016 | 4 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tire tread with a band layer28 Apr 2026US 12,611,893 B2Bridgestone Americas Tire Operations, LLC
- Method for manufacturing articles made from crumb rubber23 Jan 2024US 11,878,446 B2Compagnie Generale Des Etablissements Michelin
- Tire tread with a band layer7 Nov 2023US 11,807,052 B2Bridgestone Americas Tire Operations, LLC
- Method for retreading a tire casing using a roller8 Jun 2021US 11,027,508 B2Compagnie Generale Des Etablissements Michelin
- Methods and apparatus for installing a tread ring upon a tire carcass24 Nov 2020US 10,843,428 B2Compagnie Generale Des Etablissements Michelin
- Tire having a tread that is formed in full or in part from a composite material of unitary molded construction27 Aug 2026US 2026/0249651 A1
- Non-pneumatic tire and a system and method of making same30 Jan 2025US 2025/0033416 A1Bridgestone Bandag, LLC
- System and method for protecting a support structure of a non-pneumatic tire23 Jan 2025US 2025/0026150 A1Bridgestone Bandag, LLC
- Segmented curing ring for npt elastomer bands3 Oct 2024US 2024/0326366 A1The Goodyear Tire & Rubber Company
- Tire and method of manufacturing the same16 Nov 2023US 2023/0364873 A1Sumitomo Rubber Industries, Ltd.
Most cited
By later US patents
- Tread applying machine29US 3,976,532 ATred-X Corporation · 1976
- Machine for treating worn out pneumatic tires and for applying a pre-molded tread ring23US 4,036,677 A1977
- Method of retreading a tire with an endless premolded tread20US 4,088,521 ATred-X Corporation · 1978
- Machine for molding and curing tread rings for pneumatic tires18US 3,994,653 A1976
- Method of assembly of a precured tire tread to an unvulcanized casing18US 5,536,348 AThe Goodyear Tire & Rubber Company · 1996