B29D 30/56
Retreading with prevulcanised tread
Official title: Retreading with prevulcanised tread {(B29D30/542 takes precedence)}
B29D30/56 (Retreading with prevulcanised tread) appears on 166 US grants and 116 published applications in this corpus.
Search patents in B29D- Granted patents
- 166
- Published applications
- 116
- Assignees
- 54
- Inventors
- 234
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 4 | 0 |
| 1978 | 13 | 0 |
| 1979 | 9 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 2 | 5 |
| 2003 | 3 | 0 |
| 2004 | 1 | 4 |
| 2005 | 1 | 3 |
| 2006 | 3 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 2 | 4 |
| 2010 | 0 | 6 |
| 2011 | 0 | 6 |
| 2012 | 4 | 5 |
| 2013 | 2 | 14 |
| 2014 | 6 | 7 |
| 2015 | 2 | 9 |
| 2016 | 4 | 17 |
| 2017 | 1 | 7 |
| 2018 | 10 | 1 |
| 2019 | 7 | 3 |
| 2020 | 6 | 0 |
| 2021 | 4 | 2 |
| 2022 | 2 | 6 |
| 2023 | 0 | 3 |
| 2024 | 4 | 4 |
| 2025 | 2 | 2 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for stabilizing lateral wings of precured tread during cementing21 Jul 2026US 12,686,191 B2Continental Reifen Deutschland GmbH
- Method for adhering cured rubber components12 May 2026US 12,623,424 B2Bridgestone Americas Tire Operations, LLC
- Tire tread for a tire and tire and curing mould to manufacture a tire tread12 May 2026US 12,623,493 B2Continental Reifen Deutschland GmbH
- Splice-match builder17 Mar 2026US 12,576,607 B2Bridgestone Bandag, LLC
- Production method for retreaded tire and retreaded tire10 Mar 2026US 12,570,061 B2Sumitomo Rubber Industries, Ltd.
- Splice-match builder25 Jun 2026US 2026/0175529 A1Bridgestone Bandag, LLC
- Land height adjustment block4 Jun 2026US 2026/0151976 A1Bridgestone Bandag, LLC
- Preformed cement and film composite sheet for precured treads28 May 2026US 2026/0145400 A1Continental Reifen Deutschland GmbH
- System and method for stabilizing lateral wings of precured tread during cementing28 May 2026US 2026/0145401 A1Continental Reifen Deutschland GmbH
- Tire tread for a tire and tire and curing mould to manufacture a tire tread16 Apr 2026US 2026/0103029 A1Continental Reifen Deutschland GmbH
Most cited
By later US patents
- Precure tread for tire including surface and rear grooves30US 5,445,691 ABridgestone Corporation · 1995
- Tread applying machine29US 3,976,532 ATred-X Corporation · 1976
- Precure tread for a new tire, and retread tires26US 5,275,218 ABridgestone Corporation · 1994
- Precure tread for retread tire26US 5,603,366 ABridgestone Corporation · 1997
- Method of making a flexible elastomeric matrix and method of retreading tires therewith23US 4,185,056 ANoyes Tire Co. · 1980