B31B 70/844
Applying rigid valves, spouts, or filling tubes
Official title: {Applying rigid valves, spouts, or filling tubes}
B31B70/844 (Applying rigid valves, spouts, or filling tubes) appears on 178 US grants and 163 published applications in this corpus.
Search patents in B31B- Granted patents
- 178
- Published applications
- 163
- Assignees
- 109
- Inventors
- 302
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 4 |
| 2002 | 3 | 10 |
| 2003 | 4 | 3 |
| 2004 | 9 | 4 |
| 2005 | 2 | 7 |
| 2006 | 1 | 6 |
| 2007 | 2 | 6 |
| 2008 | 1 | 5 |
| 2009 | 0 | 5 |
| 2010 | 4 | 3 |
| 2011 | 3 | 6 |
| 2012 | 3 | 4 |
| 2013 | 3 | 5 |
| 2014 | 5 | 7 |
| 2015 | 3 | 12 |
| 2016 | 5 | 16 |
| 2017 | 12 | 12 |
| 2018 | 9 | 9 |
| 2019 | 3 | 4 |
| 2020 | 14 | 14 |
| 2021 | 10 | 6 |
| 2022 | 4 | 3 |
| 2023 | 4 | 8 |
| 2024 | 4 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Packaging bag with spout and method for producing packaging bag with spout14 Jul 2026US 12,679,619 B2ZACROS Corporation
- Method of manufacturing pouch container, pouch container, pouch container with cap, and double container with discharge mechanism10 Feb 2026US 12,545,488 B2Shiseido Company, Ltd.
- Method for manufacturing packaging for pouch container, and device for manufacturing packaging for pouch container22 Apr 2025US 12,280,559 B2Fuji Seal International, Inc.
- Production of collapsible pouches having a fitment13 Aug 2024US 12,059,848 B2SIG Services AG
- Machine and improved packaging process of a disposable dispenser with integrated straw23 Jul 2024US 12,043,439 B2
- Improved method for making and filling pouches with or without spout for packaging fluid products and related plant23 Jul 2026US 2026/0208901 A1
- Spouted packaging bag and method for producing spouted packaging bag16 Jul 2026US 2026/0200654 A1Toppan Holdings Inc.
- Web superposing device and bag making apparatus18 Jun 2026US 2026/0166772 A1Totani Corporation
- Standing pouch with cap on folded edge1 Aug 2024US 2024/0253885 A1
- Packaging Bag With Spout And Method For Producing Packaging Bag With Spout7 Dec 2023US 2023/0391528 A1Fujimori Kogyo Co., Ltd.
Most cited
By later US patents
- Flexible, multiple-compartment drug container and method of making and using same132US 5,944,709 AB. Braun Medical Inc. · 1999
- Method of making and using a flexible, multiple-compartment drug container91US 6,203,535 B1B. Braun Medical Inc. · 2001
- Stand up bag87US 6,783,277 B2Scholle Corporation · 2004
- Polyethylene urine bag with tube83US 4,023,607 AAutomaticon A/S · 1977
- Dual-chambered container and method of making same81US 5,865,309 ANissho Corporation · 1999