B29L 2031/7122
Tea bags
Official title: {Tea bags}
B29L2031/7122 (Tea bags) appears on 46 US grants and 38 published applications in this corpus.
Search patents in B29L- Granted patents
- 46
- Published applications
- 38
- Assignees
- 28
- Inventors
- 71
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 3 |
| 2003 | 3 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 4 |
| 2007 | 3 | 0 |
| 2008 | 3 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 3 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 3 | 2 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Packaging apparatus and method30 Jun 2026US 12,668,030 B2Tata Consumer Products Gb Limited
- Sealing and cutting device for forming filter-bags with infusion products3 Mar 2026US 12,565,009 B2I,M.A. Industria Macchine Automatiche S.p.A.
- Method for manufacturing biodegradable pillow tea bags containing whole leaf tea24 Jun 2025US 12,338,017 B2
- Packaging apparatus and method17 Sep 2024US 12,090,710 B2Tata Consumer Products Gb Limited
- Device and method for manufacturing a bag received in an envelope4 Jun 2024US 11,999,517 B2Teepack Spezialmaschinen GmbH & Co. KG
- Sealing apparatus and method4 Sep 2025US 2025/0276496 A1Sewtec Automation Limited
- Sealing and cutting device for forming filter-bags with infusion products28 Aug 2025US 2025/0269609 A1I,M.A. Industria Macchine Automatiche S.p.A.
- Packaging apparatus and method5 Dec 2024US 2024/0399677 A1Tata Consumer Products Gb Limited
- Method for manufacturing biodegradable pillow tea bags containing whole leaf tea16 May 2024US 2024/0158115 A1
- Packaging apparatus and method3 Aug 2023US 2023/0241846 A1Tata Consumer Products Gb Limited
Most cited
By later US patents
- Filter-bags for medicinal and aromatic infusions, method and apparatus26US 4,609,556 A1986
- Plastic film having oxygen absorbing function and infusion bag22US 8,708,992 B2Hosokawa Yoko Co., Ltd. · 2014
- Apparatus and method for producing packets21US 5,548,947 AThomas J. Lipton, Inc. · 1996
- Web cutting apparatus17US 5,934,043 AMolins Limited · 1999
- Method and apparatus for producing tagged articles15US 5,399,224 AThomas J. Lipton, Inc. · 1995