B31B 50/40
Acting internally
Official title: acting internally
B31B50/40 (Acting internally) appears on 8 US grants and 1 published applications in this corpus.
Search patents in B31B- Granted patents
- 8
- Published applications
- 1
- Assignees
- 7
- Inventors
- 16
- Latest grant
- 22 Mar 2005
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Former for forming a rectangular bag tube22 Mar 2005US 6,869,387 B2Polymer Packaging, Inc.
- Former for a bag maker6 Aug 2002US 6,428,457 B1Ishida Co., Ltd.
- Packaging container production equipment and packaging container production method27 Jun 2000US 6,079,188 AShikoku Kakoki Co., Ltd.
- Packaging container production equipment and packaging container production method30 May 2000US 6,067,778 AShikoku Kakoki Co., Ltd.
- Bag making machine3 Jun 1997US 5,634,324 AHassia Verpackungsmachinen GmbH
Most cited
By later US patents
- Method of and apparatus for making tubular envelopes29US 5,442,897 AHauni Richmond, Inc. · 1995
- Continuous tubular box body production process, particularly for cardboard boxes26US 5,593,375 APack Industrie S.A. · 1997
- Former for forming a rectangular bag tube18US 6,869,387 B2Polymer Packaging, Inc. · 2005
- Packaging container production equipment and packaging container production method17US 6,067,778 AShikoku Kakoki Co., Ltd. · 2000
- Packaging container production equipment and packaging container production method17US 6,079,188 AShikoku Kakoki Co., Ltd. · 2000