B31B 2120/00
Construction of rigid or semi-rigid containers
B31B2120/00 (Construction of rigid or semi-rigid containers) appears on 1,527 US grants and 1,307 published applications in this corpus.
Search patents in B31B- Granted patents
- 1,527
- Published applications
- 1,307
- Assignees
- 683
- Inventors
- 2,171
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 33 | 0 |
| 1978 | 18 | 0 |
| 1979 | 14 | 0 |
| 1980 | 24 | 0 |
| 1981 | 31 | 0 |
| 1982 | 18 | 0 |
| 1983 | 15 | 0 |
| 1984 | 12 | 0 |
| 1985 | 28 | 0 |
| 1986 | 30 | 0 |
| 1987 | 17 | 0 |
| 1988 | 12 | 0 |
| 1989 | 14 | 0 |
| 1990 | 15 | 0 |
| 1991 | 25 | 0 |
| 1992 | 28 | 0 |
| 1993 | 27 | 0 |
| 1994 | 15 | 0 |
| 1995 | 20 | 0 |
| 1996 | 32 | 0 |
| 1997 | 48 | 0 |
| 1998 | 35 | 0 |
| 1999 | 24 | 0 |
| 2000 | 19 | 0 |
| 2001 | 17 | 3 |
| 2002 | 11 | 18 |
| 2003 | 17 | 18 |
| 2004 | 11 | 26 |
| 2005 | 16 | 34 |
| 2006 | 17 | 38 |
| 2007 | 14 | 30 |
| 2008 | 24 | 35 |
| 2009 | 14 | 30 |
| 2010 | 22 | 36 |
| 2011 | 21 | 26 |
| 2012 | 17 | 43 |
| 2013 | 30 | 48 |
| 2014 | 29 | 52 |
| 2015 | 34 | 47 |
| 2016 | 35 | 46 |
| 2017 | 47 | 69 |
| 2018 | 45 | 75 |
| 2019 | 46 | 85 |
| 2020 | 56 | 81 |
| 2021 | 73 | 77 |
| 2022 | 65 | 81 |
| 2023 | 80 | 102 |
| 2024 | 78 | 86 |
| 2025 | 73 | 76 |
| 2026 | 56 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B31B 2120/30CollapsibleIndexing code628
- B31B 2120/40Lined or internally reinforcedIndexing code350
- B31B 2120/70Construction of rigid or semi-rigid containers: having corrugated or pleated wallsIndexing code189
- B31B 2120/10Provided with coversIndexing code170
- B31B 2120/20Provided with two or more compartmentsIndexing code133
- B31B 2120/50Covered or externally reinforcedIndexing code119
- B31B 2120/002Construction of rigid or semi-rigid containers: having contracted or rolled necks, havingIndexing code104
- B31B 2120/502Construction of rigid or semi-rigid containers: having integral corner posts or reinforcementsIndexing code40
Recent patents
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Most cited
By later US patents
- Article forming system696US 4,773,182 AHighland Supply Corporation · 1988
- Apparaus of making a flower pot or flower pot cover with controlled pleats374US 5,073,161 AHighland Supply Corporation · 1991
- Flower pot or flower pot cover having connected and unconnected segments in the skirt341US 5,152,100 AHighland Supply Corporation · 1992
- Covering for flower pot and floral grouping266US 5,307,606 AHighland Supply Corporation · 1994
- Flat-paneled flower pot or flower pot cover die136US 5,127,817 AHighland Supply Corporation · 1992