D21H 5/2678
Manufacture of layered products , comprising the consolidation of such a structure
Official title: {Manufacture of layered products (assembly of superposed sheets), comprising the consolidation of such a structure (formation of a web by dry method directly on to other webs formed solely by dry method D21H5/2628 and subgroups)}
D21H5/2678 (Manufacture of layered products , comprising the consolidation of such a structure) appears on 16 US grants and 2 published applications in this corpus.
Search patents in D21H- Granted patents
- 16
- Published applications
- 2
- Assignees
- 10
- Inventors
- 23
- Latest grant
- 13 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Cellulose and cellulose ester film13 Dec 2022US 11,525,215 B2Eastman Chemical Company
- Process for producing nonwoven with improved surface properties8 Oct 2019US 10,435,826 B2SCA Hygiene Products AB
- Method of making soft paper29 Oct 1991US 5,061,344 ASunds Defibrator Aktiebolag
- Air/water hybrid former4 Dec 1984US 4,486,268 AKimberly-Clark Corporation
- Air/water hybrid former17 Aug 1982US 4,344,818 AKimberly-Clark Corporation
Most cited
By later US patents
- Liquid absorbent fibrous material and method of making the same77US 4,082,886 AJohnson & Johnson · 1978
- Internally adhesively bonded fibrous web69US 3,978,257 AKimberly-Clark Corporation · 1976
- Fibrous material and method of making the same68US 4,129,132 AJohnson & Johnson · 1978
- Composite nonwoven web47US 4,318,774 APowell Corporation · 1982
- Fibrous material and method of making the same42US 4,081,582 AJohnson & Johnson · 1978