B31B 70/36
By continuously feeding them to stationary members
Official title: by continuously feeding them to stationary members, e.g. plates, ploughs or cores
B31B70/36 (By continuously feeding them to stationary members) appears on 178 US grants and 146 published applications in this corpus.
Search patents in B31B- Granted patents
- 178
- Published applications
- 146
- Assignees
- 113
- Inventors
- 244
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 13 | 7 |
| 2002 | 14 | 11 |
| 2003 | 8 | 10 |
| 2004 | 5 | 8 |
| 2005 | 6 | 8 |
| 2006 | 6 | 10 |
| 2007 | 1 | 7 |
| 2008 | 2 | 4 |
| 2009 | 2 | 7 |
| 2010 | 6 | 11 |
| 2011 | 3 | 3 |
| 2012 | 5 | 4 |
| 2013 | 2 | 1 |
| 2014 | 3 | 4 |
| 2015 | 0 | 1 |
| 2016 | 4 | 4 |
| 2017 | 1 | 2 |
| 2018 | 2 | 9 |
| 2019 | 3 | 4 |
| 2020 | 6 | 3 |
| 2021 | 6 | 6 |
| 2022 | 7 | 4 |
| 2023 | 4 | 10 |
| 2024 | 3 | 2 |
| 2025 | 8 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bag making machines and methods thereof14 Apr 2026US 12,600,107 B2CMD Corporation
- Vertical packaging machine and associated control method10 Feb 2026US 12,545,463 B2Ulma Packaging, S. Coop.
- Bag making machines and methods thereof16 Dec 2025US 12,496,797 B2CMD Corporation
- Bag making machines and methods thereof2 Dec 2025US 12,485,637 B2CMD Corporation
- Zipper tape-equipped bag body, article housing method for zipper tape-equipped bag body, manufacturing method for zipper tape-equipped bag body, and manufacturing device for zipper tape-equipped bag body18 Nov 2025US 12,472,718 B2Idemitsu Unitech Co., Ltd.
- Machine and method for forming bags of flexible material24 Sep 2026US 2026/0284999 A1Ilapak Italia S.P.A.
- Bag making machines and methods thereof2 Jul 2026US 2026/0184034 A1CMD Corporation
- Vertical bagger using web-alignment score11 Jun 2026US 2026/0159260 A1Pregis LLC
- Flap spreading device in square bottom forming device of bag making machine, square bottom forming device in bag making machine, and bag making machine23 Apr 2026US 2026/0109127 A1Newlong Industrial Company Limited
- Envelope and release cover formed from common substrate25 Sep 2025US 2025/0296740 A1Pregis LLC
Most cited
By later US patents
- Self-standing bag116US 3,980,225 ADai Nippon Insatsu Kabushiki Kaisha · 1976
- Flat sleeve convertible to a decorative container91US 6,182,395 B2Southpac Trust International, Inc. · 2001
- Apparatus for transporting envelope blanks in an envelope making machine63US 6,572,520 B2Winkler + Dunnebler Aktiengesellschaft · 2003
- Sealed bags of plastic materials61US 4,373,979 AWorkman Bag Company Ltd. · 1983
- Method and apparatus for continuously forming and sealing low density polyethylene bags at high speed57US 5,094,657 ACloud Corporation · 1992