B29C 66/72521
Comprising corrugated cores
Official title: {comprising corrugated cores}
B29C66/72521 (Comprising corrugated cores) appears on 36 US grants and 23 published applications in this corpus.
Search patents in B29C- Granted patents
- 36
- Published applications
- 23
- Assignees
- 25
- Inventors
- 54
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 3 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Panel structure manufacturing device and panel structure manufacturing method2 Jun 2026US 12,644,282 B2Mitsubishi Heavy Industries, Ltd.
- Net edge composite core splices for aircraft wing15 Apr 2025US 12,275,525 B2Sierra Nevada Corporation
- Securing a second object to a first object10 Aug 2021US 11,084,226 B2Multimaterial-Welding AG
- Method for producing packing sheet with improved insulation and storage properties1 Jun 2021US 11,020,890 B2Segyero Co., Ltd.
- Apparatus and method for making a corrugated product31 Jul 2018US 10,035,299 B2Bj2, LLC
- Methods and apparatuses for forming corrugated thermoplastic sheets and cellular structures26 Sep 2024US 2024/0316888 A1Spirit AeroSystems, Inc.
- Panel structure manufacturing device and panel structure manufacturing method13 Jun 2024US 2024/0191502 A1Mitsubishi Heavy Industries, Ltd.
- Net edge composite core splices for aircraft wing27 May 2021US 2021/0155337 A1Sierra Nevada Corporation
- Method for producing packing sheet with improved insulation and storage properties18 Jul 2019US 2019/0218014 A1Segyero Co., Ltd.
- Securing a second object to a first object6 Jun 2019US 2019/0168464 A1Multimaterial-Welding AG
Most cited
By later US patents
- Triple sheet thermoforming apparatus, methods and articles96US 6,294,114 B12001
- Fibrous filtration face mask having corrugated polymeric microfiber filter layer86US 5,656,368 AMinnesota Mining and Manufacturing Company · 1997
- Method of making a corrugated nonwoven web of polymeric microfiber74US 5,620,545 AMinnesota Mining and Manufacturing Company · 1997
- Corrugated nonwoven webs of polymeric microfiber59US 6,010,766 A3M Innovative Properties Company · 2000
- Recombinant lead-acid cell and long life battery50US 5,851,695 AC&D Technologies, Inc. · 1998