B32B 5/28
Impregnated with or embedded in a plastic substance
Official title: impregnated with or embedded in a plastic substance {(not used)}
B32B5/28 (Impregnated with or embedded in a plastic substance) appears on 594 US grants and 705 published applications in this corpus.
Search patents in B32B- Granted patents
- 594
- Published applications
- 705
- Assignees
- 441
- Inventors
- 1,641
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 11 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 10 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 20 | 0 |
| 1997 | 17 | 0 |
| 1998 | 14 | 0 |
| 1999 | 14 | 0 |
| 2000 | 12 | 0 |
| 2001 | 10 | 7 |
| 2002 | 9 | 8 |
| 2003 | 12 | 29 |
| 2004 | 8 | 28 |
| 2005 | 8 | 34 |
| 2006 | 11 | 17 |
| 2007 | 10 | 27 |
| 2008 | 7 | 48 |
| 2009 | 8 | 15 |
| 2010 | 21 | 23 |
| 2011 | 28 | 35 |
| 2012 | 13 | 40 |
| 2013 | 13 | 49 |
| 2014 | 24 | 39 |
| 2015 | 27 | 35 |
| 2016 | 21 | 24 |
| 2017 | 19 | 41 |
| 2018 | 26 | 41 |
| 2019 | 26 | 51 |
| 2020 | 38 | 34 |
| 2021 | 32 | 22 |
| 2022 | 19 | 13 |
| 2023 | 16 | 10 |
| 2024 | 13 | 16 |
| 2025 | 9 | 13 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laminated pickle ball paddle1 Sep 2026US 12,722,056 B2
- Process for production of foam laminate product14 Jul 2026US 12,679,065 B2Proprietect L.P.
- Thermoplastic epoxy materials with core shell phase23 Jun 2026US 12,661,878 B2Zephyros, Inc.
- Resin composition, prepreg, film with resin, sheet of metal foil with resin, metal-clad laminate, and printed wiring board17 Feb 2026US 12,552,926 B2Panasonic Intellectual Property Management Co., Ltd.
- Encapsulated fragile insulation materials6 Jan 2026US 12,515,435 B2Amrize Technology Switzerland LLC
- Resin composition, prepreg, resin film, laminate, printed wiring board, and semiconductor package13 Aug 2026US 2026/0234391 A1Resonac Corporation
- Laminate30 Jul 2026US 2026/0217006 A1Sekisui Chemical Co., Ltd.
- Fiber reinforced plastic member for vehicle body9 Jul 2026US 2026/0192543 A1Nissan Motor Co., Ltd.
- Prepreg, laminated plate, printed wiring board, and semiconductor package25 Jun 2026US 2026/0176432 A1Resonac Corporation
- Mattresses, cushions, and body-support pads or mats with deformable walls having fiber strands embedded therein12 Mar 2026US 2026/0070307 A1
Most cited
By later US patents
- Delamination resistant composites prepared by small diameter fiber reinforcement at ply interfaces293US 6,265,333 B1Board of Regents, University of Nebraska-Lincoln · 2001
- Absorbent structures with integral layer of superabsorbent polymer particles203US 6,403,857 B1Buckeye Technologies Inc. · 2002
- Ballistic-resistant composite article181US 4,623,574 AAllied Corporation · 1986
- Advanced composite roofing shingle127US 5,571,596 A1996
- Ballistic-resistant composite article109US 4,748,064 AAllied Corporation · 1988