B29D 99/0021
Provided with plain or filled structures
Official title: {provided with plain or filled structures, e.g. cores, placed between two or more plates or sheets, e.g. in a matrix}
B29D99/0021 (Provided with plain or filled structures) appears on 228 US grants and 290 published applications in this corpus.
Search patents in B29D- Granted patents
- 228
- Published applications
- 290
- Assignees
- 163
- Inventors
- 563
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 9 |
| 2009 | 2 | 5 |
| 2010 | 3 | 13 |
| 2011 | 9 | 19 |
| 2012 | 8 | 16 |
| 2013 | 8 | 17 |
| 2014 | 15 | 30 |
| 2015 | 10 | 21 |
| 2016 | 13 | 20 |
| 2017 | 18 | 12 |
| 2018 | 13 | 15 |
| 2019 | 14 | 17 |
| 2020 | 14 | 15 |
| 2021 | 10 | 12 |
| 2022 | 13 | 17 |
| 2023 | 16 | 17 |
| 2024 | 14 | 10 |
| 2025 | 9 | 14 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Underride protection device and method for producing an underride protection device3 Mar 2026US 12,565,024 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Foamed-in passthrough cover assembly17 Feb 2026US 12,553,660 B2Whirlpool Corporation
- Honeycomb core stabilization for composite parts6 Jan 2026US 12,515,436 B2Embraer S.A.
- 3-D printed packaging23 Dec 2025US 12,503,259 B2
- Forming pattern for cellular core by folding material25 Nov 2025US 12,479,201 B2Rohr, Inc.
- Method of automated processing of high-temperature-stable, closed-pore, rigid hard foams6 Aug 2026US 2026/0225293 A1Evonik Operations GmbH
- Sustainable and recycled hybrid sandwich structures2 Jul 2026US 2026/0183997 A1Volkswagen Aktiengesellschaft
- Method for manufacturing a decorated thermoplastic shell in a single operation2 Jul 2026US 2026/0184028 A1Airbus Atlantic
- Sandwich-Structured Panels and Method of Manufacture9 Apr 2026US 2026/0100179 A1Pratt & Whitney Canada Corp.
- Core material, skin-core structural body, aerospace equipment, flying object, and method for producing skin-core structural body11 Dec 2025US 2025/0376255 A1Toray Industries, Inc.
Most cited
By later US patents
- Fiber reinforced composite cores and panels134US 6,740,381 B2Webcore Technologies, Inc. · 2004
- Composite airfoil construction124US 4,051,289 AGeneral Electric Company · 1977
- Fiber reinforced composite cores and panels104US 7,393,577 B2Webcore Technologies, Inc. · 2008
- Reinforced foamed resin structural material and process for manufacturing the same79US 4,330,494 ASekisui Kagaku Kogyo Kabushiki Kaisha · 1982
- Blade construct for a hockey stick or the like77US 5,407,195 AK.C.G. Hockey Finland Oy · 1995