B29D 30/542
Using envelopes or membranes provided with sealings for curing
Official title: {using envelopes or membranes provided with sealings for curing}
B29D30/542 (Using envelopes or membranes provided with sealings for curing) appears on 95 US grants and 32 published applications in this corpus.
Search patents in B29D- Granted patents
- 95
- Published applications
- 32
- Assignees
- 39
- Inventors
- 143
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 0 | 4 |
| 2013 | 0 | 1 |
| 2014 | 2 | 3 |
| 2015 | 0 | 1 |
| 2016 | 1 | 5 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for retreading tires28 Jul 2026US 12,691,651 B2Bridgestone Americas Tire Operations, LLC
- Use of a moisture reservoir for retreading15 Jul 2025US 12,358,250 B2Bridgestone Bandag, LLC
- Envelope spreader system for enveloping a retreaded tire25 Mar 2025US 12,257,798 B2Bridgestone Bandag, LLC
- Methods for retreading tires15 Feb 2022US 11,247,424 B1Bridgestone Americas Tire Operations, LLC
- Methods for manufacturing a tread for agricultural tire using a dinitrile oxide cure system19 Oct 2021US 11,148,381 B2Bridgestone Americas Tire Operations, LLC
- Quinolineimine antidegradant compounds and uses thereof24 Sep 2026US 2026/0285812 A1Flexsys IP Holdings, LLC
- Radial expanding tire bead sealing ring assembly3 Sep 2026US 2026/0257442 A1Tripoint LLC (dba Presti Industries)
- Envelope spreader system for enveloping a retreaded tire19 Jun 2025US 2025/0196457 A1Bridgestone Bandag, LLC
- Envelope spreader system for enveloping a retreaded tire13 Jul 2023US 2023/0219314 A1Bridgestone Bandag, LLC
- The use of a moisture reservoir for retreading20 Apr 2023US 2023/0119839 A1Bridgestone Bandag, LLC
Most cited
By later US patents
- Method of retreading pneumatic tires30US 3,983,193 ADacapo AB · 1976
- Precure tread for tire including surface and rear grooves30US 5,445,691 ABridgestone Corporation · 1995
- 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
- Mold for retreading pneumatic tires23US 4,053,265 ADacapo AB · 1977