B31B 2120/302
Collapsible into a flat condition
Official title: {collapsible into a flat condition}
B31B2120/302 (Collapsible into a flat condition) appears on 203 US grants and 258 published applications in this corpus.
Search patents in B31B- Granted patents
- 203
- Published applications
- 258
- Assignees
- 133
- Inventors
- 387
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 7 |
| 2013 | 7 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 0 |
| 2016 | 5 | 5 |
| 2017 | 4 | 6 |
| 2018 | 4 | 18 |
| 2019 | 5 | 33 |
| 2020 | 9 | 38 |
| 2021 | 28 | 30 |
| 2022 | 31 | 32 |
| 2023 | 27 | 28 |
| 2024 | 33 | 29 |
| 2025 | 20 | 19 |
| 2026 | 15 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Slide rail base and auxiliary folding fixture22 Sep 2026US 12,741,439 B2
- Folding carton and folding carton blank for packaging cosmetic compositions8 Sep 2026US 12,729,036 B2Wella Germany GmbH
- Container carrying package and method for constructing the same25 Aug 2026US 12,715,646 B2Ideal Beverage Carrier Company Inc.
- Stackable packaging11 Aug 2026US 12,703,535 B1Pratt Corrugated Holdings, Inc.
- Packaging of food products and associated packaging device23 Jun 2026US 12,662,284 B2
- Blank joining module with improved ergonomics27 Aug 2026US 2026/0250095 A1Bobst Mex SA
- Method and apparatus for forming containers20 Aug 2026US 2026/0241659 A1
- Multi-piece container forming system4 Jun 2026US 2026/0151979 A1Marq Packaging Systems II, LLC
- Folding apparatus and sealing apparatus30 Apr 2026US 2026/0116603 A1Ishida Co., Ltd.
- Webbed-cornered self-erecting tray19 Feb 2026US 2026/0048891 A1Southern Champion Tray, L.P.
Most cited
By later US patents
- Apparatus and methods relating to corrugated materials, containers, and packaging106US 8,343,024 B1Thatbox Design, LLC · 2013
- Apparatus and method for lining, folding and gluing container blanks49US 4,608,038 AA. W. Virta & Associates, Inc. · 1986
- Method of expanding and feeding cartons to a filling line42US 5,715,657 AAzionaria Costruzioni Macchine Automatiche A.C.M.A. S.p.A. · 1998
- Container assembly and method of making the same41US 5,505,368 AHershey Foods Corporation · 1996
- Carton transfer system36US 5,662,577 ARiverwood International Corporation · 1997