B32B 29/08
Corrugated paper or cardboard
B32B29/08 (Corrugated paper or cardboard) appears on 485 US grants and 603 published applications in this corpus.
Search patents in B32B- Granted patents
- 485
- Published applications
- 603
- Assignees
- 376
- Inventors
- 1,230
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 10 | 0 |
| 1997 | 18 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 0 |
| 2002 | 3 | 9 |
| 2003 | 4 | 8 |
| 2004 | 5 | 9 |
| 2005 | 1 | 15 |
| 2006 | 3 | 11 |
| 2007 | 2 | 6 |
| 2008 | 3 | 5 |
| 2009 | 3 | 7 |
| 2010 | 5 | 14 |
| 2011 | 2 | 19 |
| 2012 | 5 | 7 |
| 2013 | 9 | 9 |
| 2014 | 9 | 16 |
| 2015 | 8 | 19 |
| 2016 | 6 | 17 |
| 2017 | 16 | 34 |
| 2018 | 12 | 40 |
| 2019 | 20 | 51 |
| 2020 | 31 | 60 |
| 2021 | 40 | 44 |
| 2022 | 36 | 48 |
| 2023 | 31 | 47 |
| 2024 | 27 | 46 |
| 2025 | 35 | 36 |
| 2026 | 21 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Corrugated board for humid conditions6 Oct 2026US 12,753,554 B2Billerud Aktiebolag (publ)
- Flame-proof corrugated paperboard and method for producing same8 Sep 2026US 12,729,485 B2Rengo Co., Ltd.
- Paper based corrugated envelope18 Aug 2026US 12,709,438 B2Aum Paper Products Private Limited
- Coreless rolls of a tissue paper product and methods of manufacturing coreless rolls4 Aug 2026US 12,698,597 B2Essity Hygiene and Health Aktiebolag
- Corrugated paper cup7 Jul 2026US 12,673,798 B2Kraftpack (Hubei) Industrial Co., Ltd.
- Single facer for producing corrugated board with a system for controlling the pressing belt, and related method17 Sep 2026US 2026/0273914 A1Fosber S.p.A.
- A barrier film for a packaging material and a packaging material27 Aug 2026US 2026/0250911 A1Stora Enso OYJ
- Corrugated cardboard and a method for producing a corrugated cardboard20 Aug 2026US 2026/0243022 A1Jml Innovation AB
- Packaging item and packaged food product13 Aug 2026US 2026/0233886 A1Societe des Produits Nestle S. A.
- Packing material and manufacturing method of packing material13 Aug 2026US 2026/0234872 A1Sony Group Corporation
Most cited
By later US patents
- Multi-ply absorbent wiping product having relatively inextensible center ply bonded to highly extensible outer plies172US 3,953,638 AThe Procter & Gamble Company · 1976
- Knockdown corrugated box for temperature control and method of making141US 7,229,677 B22007
- Method of making an insulation material and an insulated mailer104US 10,583,977 B2MP Global Products, L.L.C. · 2020
- Method for forming discrete particulate areas in a composite article101US 4,715,918 AKimberly-Clark Corporation · 1987
- Repulpable container95US 10,882,682 B2Pratt Retail Specialties, LLC · 2021