D21H 5/002
The paper being at least partly surrounded by treating medium on both
Official title: {the paper being at least partly surrounded by treating medium on both sides}
D21H5/002 (The paper being at least partly surrounded by treating medium on both) appears on 12 US grants and 0 published applications in this corpus.
Search patents in D21H- Granted patents
- 12
- Published applications
- 0
- Assignees
- 8
- Inventors
- 13
- Latest grant
- 20 May 1986
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fibrous web saturator20 May 1986US 4,590,099 AR & R Research & Development, Inc.
- Method utilizing ultrasonically induced cavitation to impregnate porous sheet passing through a resin bath12 Nov 1985US 4,552,781 AWestinghouse Electric Corp.
- Pressure saturator25 Oct 1983US 4,411,216 AMiply Equipment, Inc.
- Apparatus for high speed size application4 Oct 1983US 4,407,224 ABeloit Corporation
- Size press with coating pool suppressing arrangement5 Jul 1983US 4,391,217 AValmet Corporation
No published applications in this class yet.
Most cited
By later US patents
- High speed size press28US 4,340,623 ABeloit Corporation · 1982
- Method and apparatus for coating both sides of a moving web12US 4,358,481 AInventing S.A. · 1982
- Method utilizing ultrasonically induced cavitation to impregnate porous sheet passing through a resin bath12US 4,552,781 AWestinghouse Electric Corp. · 1985
- Nozzle structure for moistening or impregnating a web10US 4,321,760 ABachofen & Meier · 1982
- Fibrous web saturator9US 4,590,099 AR & R Research & Development, Inc. · 1986