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D21F 5/187

By air jets

Official title: {by air jets}

D21F5/187 (By air jets) appears on 51 US grants and 27 published applications in this corpus.

Search patents in D21F

Granted patents: 51
Published applications: 27
Assignees: 26
Inventors: 96
Latest grant: 4 Aug 2026

Filings by year

D21F 5/187: granted patents and published applications per publication year
Year	Granted patents	Published applications
1977	1	0
1978	0	0
1979	0	0
1980	2	0
1981	4	0
1982	0	0
1983	2	0
1984	1	0
1985	0	0
1986	2	0
1987	1	0
1988	2	0
1989	2	0
1990	2	0
1991	3	0
1992	0	0
1993	0	0
1994	1	0
1995	0	0
1996	2	0
1997	0	0
1998	1	0
1999	0	0
2000	0	0
2001	2	0
2002	0	0
2003	3	1
2004	0	0
2005	1	0
2006	0	1
2007	0	0
2008	0	1
2009	0	0
2010	0	2
2011	2	0
2012	0	1
2013	1	4
2014	1	1
2015	1	0
2016	0	1
2017	1	2
2018	1	4
2019	0	1
2020	3	2
2021	2	0
2022	1	3
2023	1	2
2024	2	1
2025	2	0
2026	1	0

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Subgroups

Granted patents

D21F 5/188Blowing devices34

Recent patents

Fibrous structures4 Aug 2026US 12,698,594 B2The Procter & Gamble Company
System and method for controlling process fluids in a plant for manufacturing web-like paper material26 Aug 2025US 12,398,513 B2ANDRITZ Novimpianti S.r.l.
Creped fibrous structures15 Jul 2025US 12,359,376 B2The Procter & Gamble Company
Fibrous structures30 Apr 2024US 11,970,818 B2The Procter & Gamble Company
Fibrous structures23 Jan 2024US 11,879,215 B2The Procter & Gamble Company

Most cited

By later US patents