B28B 1/522
For producing multi-layered articles
Official title: {for producing multi-layered articles (B28B1/526, B28B1/527 take precedence)}
B28B1/522 (For producing multi-layered articles) appears on 76 US grants and 60 published applications in this corpus.
Search patents in B28B- Granted patents
- 76
- Published applications
- 60
- Assignees
- 50
- Inventors
- 156
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 9 |
| 2003 | 1 | 4 |
| 2004 | 4 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 5 | 2 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 5 |
| 2019 | 2 | 1 |
| 2020 | 2 | 0 |
| 2021 | 1 | 7 |
| 2022 | 3 | 6 |
| 2023 | 2 | 5 |
| 2024 | 5 | 1 |
| 2025 | 6 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Visible light-catalyzed translucent concrete, and preparation method and use thereof5 May 2026US 12,617,716 B2Jiangxi Blue Environmental Engineering Tech Co., Ltd.
- Internal tooling configuration for the creation of z-channels in woven ceramic matrix composite preforms18 Nov 2025US 12,473,236 B2Rtx Corporation
- Fiber cement products and methods for the production thereof29 Jul 2025US 12,371,373 B2Etex Services NV
- Panel and method for producing a panel29 Jul 2025US 12,371,379 B2Champion Link International Corporation
- Method of manufacturing CMC component3 Jun 2025US 12,319,624 B2ROLLS-ROYCE plc
- Ribbonized tows for optimized improved composite performance5 Feb 2026US 2026/0034707 A1Rtx Corporation
- Fiber cement products and methods for the production thereof4 Dec 2025US 2025/0368572 A1Etex Services NV
- Internal tooling configuration for the creation of z-channels in woven ceramic matrix composite preforms24 Apr 2025US 2025/0128990 A1Rtx Corporation
- Method of manufacturing cmc component20 Jun 2024US 2024/0199500 A1ROLLS-ROYCE plc
- Visible light-catalyzed translucent concrete, and preparation method and use thereof28 Dec 2023US 2023/0416145 A1Jiangxi Blue Environmental Engineering Tech Co., Ltd.
Most cited
By later US patents
- Fiber reinforced composite structural laminate composed of two layers tied to one another by embedded fibers bridging both layers111US 4,242,406 APPG Industries, Inc. · 1980
- High performance non-combustible gypsum-cement compositions with enhanced water durability and thermal stability for reinforced cementitious lightweight structural cement panels109US 8,038,790 B1United States Gypsum Company · 2011
- Gypsum wallboard and process for making same102US 3,944,698 AUnited States Gypsum Company · 1976
- Compression/injection molding of polymer-derived fiber reinforced ceramic matrix composite materials69US 5,738,818 ANorthrop Grumman Corporation · 1998
- Method and system for producing slab-formed material blanks52US 5,078,937 ARauma-Repola Oy · 1992