B29C 73/18
The article material itself being self-sealing
Official title: the article material itself being self-sealing, e.g. by compression
B29C73/18 (The article material itself being self-sealing) appears on 91 US grants and 102 published applications in this corpus.
Search patents in B29C- Granted patents
- 91
- Published applications
- 102
- Assignees
- 63
- Inventors
- 225
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 7 |
| 2005 | 1 | 0 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 5 |
| 2010 | 0 | 11 |
| 2011 | 1 | 4 |
| 2012 | 3 | 5 |
| 2013 | 5 | 5 |
| 2014 | 6 | 7 |
| 2015 | 6 | 4 |
| 2016 | 5 | 9 |
| 2017 | 2 | 5 |
| 2018 | 3 | 5 |
| 2019 | 7 | 9 |
| 2020 | 6 | 3 |
| 2021 | 6 | 9 |
| 2022 | 1 | 3 |
| 2023 | 7 | 1 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tire comprising an optimized layer of self-sealing product12 May 2026US 12,623,496 B2Compagnie Generale Des Etablissements Michelin
- Implant with elastomeric membrane and methods of fabrication thereof20 May 2025US 12,303,379 B2Mentor Worldwide LLC
- Self-healing seal assembly for a writing instrument10 Dec 2024US 12,162,306 B2BIC Violex Single Member S.A.
- Sealant layer with barrier, tire containing same, and related processes1 Oct 2024US 12,103,338 B2Bridgestone Americas Tire Operations, LLC
- Sealant layer assembly6 Aug 2024US 12,053,946 B2Bridgestone Europe NV/SA
- Automated laboratory apparatus for dynamically testing the durability of self-sealing tire sealants18 Dec 2025US 2025/0381746 A1Dow Global Technologies LLC
- Self-sealing tyre sealant, method for producing same, pneumatic vehicle tyre having the tyre sealant, and use of a dispersion of a cross-linking agent in a plasticiser in the production of a tyre sealant26 Jun 2025US 2025/0205982 A1Continental Reifen Deutschland GmbH
- Self-healing rubber comprising a poly(methacrylic) oligomer5 Sep 2024US 2024/0294738 A1Bridgestone Europe NV/SA
- Self-healing seal assembly for a writing instrument1 Aug 2024US 2024/0253388 A1BIC Violex Single Member S.A.
- Tire comprising an optimized layer of self-sealing product5 Oct 2023US 2023/0311590 A1Compagnie Generale Des Etablissements Michelin
Most cited
By later US patents
- Self-sealing vehicle tire and sealant composition61US 3,935,893 AGeneral Motors Corporation · 1976
- Sealant product, laminate thereof, and pneumatic tire constructed therewith50US 5,085,942 AThe Uniroyal Goodrich Tire Company · 1992
- Self-sealing pneumatic tire49US 4,228,839 AThe Firestone Tire & Rubber Company · 1980
- Puncture sealing composition and tire46US 3,981,342 AUniroyal, Inc. · 1976
- Sealant product, laminate thereof, and pneumatic tire constructed therewith43US 4,913,209 AThe Uniroyal Goodrich Tire Company · 1990