B31B 70/66
By high-frequency electric heating
Official title: by high-frequency electric heating
B31B70/66 (By high-frequency electric heating) appears on 10 US grants and 18 published applications in this corpus.
Search patents in B31B- Granted patents
- 10
- Published applications
- 18
- Assignees
- 13
- Inventors
- 33
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 4 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bag making apparatus and bag making method28 Oct 2025US 12,454,113 B2Totani Corporation
- Bag making method18 Jun 2024US 12,011,898 B2Totani Corporation
- Bag making machine and bag making method22 Aug 2023US 11,731,387 B2Hosokawa Yoko Co., Ltd.
- Washable, waterproof, sealable and reusable soft gusseted volumized storage bags23 May 2023US 11,654,648 B2Rezip Co.
- Method and system for manufacturing medical pouches7 Jul 2020US 10,703,576 B2KIEFEL GmbH
- Inflatable mobile phone and accessories pouch5 Mar 2026US 2026/0060396 A1Dongguan Polyfilm Plastic Products Company Limited
- Coffee Storage Bag and Coffee Storage Method9 Nov 2023US 2023/0356886 A1W & Co.
- Bag making method17 Aug 2023US 2023/0256698 A1Totani Corporation
- Bag making apparatus and bag making method1 Jun 2023US 2023/0166476 A1Totani Corporation
- System and method for lining a can4 May 2023US 2023/0137624 A1KA Industries LLC
Most cited
By later US patents
- Method and apparatus for high speed pouch and bag making32US 4,849,040 A1989
- Method and system for manufacturing medical pouches3US 10,703,576 B2KIEFEL GmbH · 2020
- Washable, waterproof, sealable and reusable soft gusseted volumized storage bags2US 11,654,648 B2Rezip Co. · 2023
- Container formed from a roll and having improved opening properties as a result of stretching heat treatment of polymer layers2US 9,073,280 B2SIG Technology AG · 2015
- Process of fusion-bonding plastic film and drug bag1US 8,469,938 B2Ajinomoto Co., Inc. · 2013