D21H 5/0045
Falling curtain method
Official title: {Falling curtain method}
D21H5/0045 (Falling curtain method) appears on 10 US grants and 0 published applications in this corpus.
Search patents in D21H- Granted patents
- 10
- Published applications
- 0
- Assignees
- 6
- Inventors
- 10
- Latest grant
- 4 Dec 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Coating method4 Dec 1990US 4,975,304 AFuji Photo Film Co., Ltd.
- High speed extrusion coating with ethylene copolymers30 Aug 1988US 4,767,485 AExxon Research & Engineering Co.
- Process for coating webs with polyethylene4 Oct 1983US 4,407,690 ADu Pont Canada Inc.
- Apparatus for establishing a liquid curtain26 Oct 1982US 4,355,762 ACommonwealth Scientific and Industrial Research Organization
- Curtain coating method3 Aug 1982US 4,342,423 ACommonwealth Scientific and Industrial Research Organ.
No published applications in this class yet.
Most cited
By later US patents
- High speed extrusion coating with ethylene copolymers16US 4,767,485 AExxon Research & Engineering Co. · 1988
- Coating device13US 3,973,062 ACiba-Geigy Corporation · 1976
- Cascade coater13US 4,041,897 ACiba-Geigy Corporation · 1977
- Coating device12US 4,109,611 ACiba-Geigy Corporation · 1978
- Apparatus for establishing a liquid curtain10US 4,355,762 ACommonwealth Scientific and Industrial Research Organization · 1982