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D21H 5/14

Of cellulose fibres only

Official title: {of cellulose fibres only}

D21H5/14 (Of cellulose fibres only) appears on 41 US grants and 20 published applications in this corpus.

Search patents in D21H

Granted patents: 41
Published applications: 20
Assignees: 28
Inventors: 93
Latest grant: 3 Sep 2024

Filings by year

D21H 5/14: granted patents and published applications per publication year
Year	Granted patents	Published applications
1978	3	0
1979	1	0
1980	4	0
1981	1	0
1982	0	0
1983	2	0
1984	5	0
1985	2	0
1986	5	0
1987	2	0
1988	3	0
1989	2	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	1	3
2017	0	1
2018	1	2
2019	2	1
2020	0	1
2021	1	3
2022	1	4
2023	1	2
2024	4	2
2025	0	1

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Wrapping paper for non-combustible heated type smoking article, non-combustible heated type smoking article, and electrically-heated smoking system3 Sep 2024US 12,075,820 B2Japan Tobacco Inc.
Aerosol-generating article having fibrous filter segment and hollow, tubular support element located immediately downstream the aerosol-forming substrate28 May 2024US 11,992,041 B2Philip Morris Products S. A.
Soft tissue produced using a structured fabric and energy efficient pressing16 Apr 2024US 11,959,226 B2First Quality Tissue, LLC
Test system and test method for lip sticking force of tipping paper for cigarettes9 Apr 2024US 11,950,624 B2China Tobacco Yunnan Industrial Co., Ltd
Soft tissue produced using a structured fabric and energy efficient pressing7 Nov 2023US 11,807,992 B2First Quality Tissue, LLC

Most cited

By later US patents