B29C 65/227
Said cross-section being hollow
Official title: {said cross-section being hollow}
B29C65/227 (Said cross-section being hollow) appears on 6 US grants and 0 published applications in this corpus.
Search patents in B29C- Granted patents
- 6
- Published applications
- 0
- Assignees
- 3
- Inventors
- 11
- Latest grant
- 30 Nov 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- High-temperature, heat-sealed products and methods and means for their manufacture30 Nov 1999US 5,993,593 AHeat Sealing Technology, Inc.
- Apparatus for sealing and severing a web of film23 Oct 1990US 4,964,944 ABaxter International Inc.
- Appratus for sealing and severing a web of film15 Aug 1989US 4,856,259 ABaxter International Inc.
- Apparatus for sealing a web of film in a packaging15 Aug 1989US 4,856,260 ABaxter International Inc.
- Impulse sealer16 Nov 1982US 4,359,361 AThe Dow Chemical Company
No published applications in this class yet.
Most cited
By later US patents
- Apparatus for sealing a web of film in a packaging50US 4,856,260 ABaxter International Inc. · 1989
- Appratus for sealing and severing a web of film43US 4,856,259 ABaxter International Inc. · 1989
- High-temperature, heat-sealed products and methods and means for their manufacture42US 5,993,593 AHeat Sealing Technology, Inc. · 1999
- Impulse sealing apparatus19US 4,075,818 AThe Dow Chemical Company · 1978
- Impulse sealer15US 4,359,361 AThe Dow Chemical Company · 1982