B32B 21/045
Of natural rubber or synthetic rubber
Official title: {of natural rubber or synthetic rubber}
B32B21/045 (Of natural rubber or synthetic rubber) appears on 95 US grants and 150 published applications in this corpus.
Search patents in B32B- Granted patents
- 95
- Published applications
- 150
- Assignees
- 73
- Inventors
- 279
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 4 |
| 2012 | 0 | 4 |
| 2013 | 0 | 1 |
| 2014 | 2 | 3 |
| 2015 | 1 | 2 |
| 2016 | 4 | 8 |
| 2017 | 11 | 14 |
| 2018 | 5 | 27 |
| 2019 | 9 | 24 |
| 2020 | 11 | 14 |
| 2021 | 15 | 12 |
| 2022 | 11 | 12 |
| 2023 | 6 | 4 |
| 2024 | 7 | 3 |
| 2025 | 5 | 6 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coextruded hemp composite board16 Jun 2026US 12,654,355 B2
- Reinforced laminated support mat with resilient corner member2 Dec 2025US 12,485,652 B2Anthony Hardwood Composites, Inc.
- Boat shells with waterproof layer therebetween17 Jun 2025US 12,330,757 B2
- Interlocking building panel6 May 2025US 12,291,878 B2
- Roofing membranes with improved adhesive bonding strength4 Feb 2025US 12,215,502 B2Bmic LLC
- Acoustic insulating panel using recycled material13 Aug 2026US 2026/0233496 A1CSR Industries Inc.
- Force impact reducing and force impact distributing material25 Jun 2026US 2026/0174161 A1
- Composite material and method for manufacturing same25 Sep 2025US 2025/0296300 A1Unilin BV
- Coextruded hemp composite board19 Jun 2025US 2025/0196394 A1
- Pickleball racket12 Jun 2025US 2025/0186845 A1
Most cited
By later US patents
- Cellular structures with fourteen-cornered cells126US 10,220,881 B2Ford Global Technologies, LLC · 2019
- Cellular structures with twelve-cornered cells122US 10,393,315 B2Ford Global Technologies, LLC · 2019
- Cellular structures with twelve-cornered cells121US 10,429,006 B2Ford Global Technologies, LLC · 2019
- Powder based balancing layer34US 11,046,063 B2Välinge Innovation AB · 2021
- Artist's board22US 4,065,596 A1977