D21H 5/006
Controlling or regulating
Official title: {Controlling or regulating (controlling or regulating in general G05)}
D21H5/006 (Controlling or regulating) appears on 42 US grants and 3 published applications in this corpus.
Search patents in D21H- Granted patents
- 42
- Published applications
- 3
- Assignees
- 24
- Inventors
- 50
- Latest grant
- 19 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Product metering device19 Apr 2022US 11,305,310 B2Landa Labs (2012) Ltd.
- Product metering device10 Mar 2020US 10,583,453 B2Landa Labs (2012) Ltd.
- Upstreams inclined doctor blade26 Dec 1989US 4,889,071 AOy Wartsila Ab
- Method and apparatus for coating a web26 Dec 1989US 4,889,073 AValmet Paper Machinery Inc.
- Apparatus for continuously applying a uniform coating to a material web19 Dec 1989US 4,887,547 AJagenberg Aktiengesellschaft
Most cited
By later US patents
- Process and apparatus for coating webs and adjusting the wet application weight of the coating material39US 4,279,949 AJ. M. Voith GmbH · 1981
- Coating device35US 4,869,933 AJ. M. Voith GmbH · 1989
- Froth coating of paper products and process for forming same32US 4,279,964 AReichhold Chemicals, Inc. · 1981
- Apparatus and method for controlling the thickness of coatings on paper or other materials29US 4,732,776 AMeasurex Corporation · 1988
- Method and arrangement for web handling26US 4,642,164 AOy Wartsila Ab · 1987