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B31F 1/2872

Spraying devices

Official title: {Spraying devices, e.g. for moistening purposes; Lubricating devices}

B31F1/2872 (Spraying devices) appears on 16 US grants and 17 published applications in this corpus.

Search patents in B31F

Granted patents: 16
Published applications: 17
Assignees: 17
Inventors: 45
Latest grant: 25 Nov 2025

Filings by year

B31F 1/2872: granted patents and published applications per publication year
Year	Granted patents	Published applications
1982	1	0
1983	0	0
1984	0	0
1985	0	0
1986	0	0
1987	0	0
1988	0	0
1989	0	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	1	0
1999	2	0
2000	1	0
2001	1	0
2002	0	0
2003	0	1
2004	0	0
2005	0	0
2006	0	0
2007	0	1
2008	0	0
2009	0	0
2010	1	1
2011	0	1
2012	0	0
2013	1	0
2014	0	0
2015	0	1
2016	0	1
2017	1	1
2018	0	1
2019	0	1
2020	2	1
2021	0	1
2022	0	1
2023	2	2
2024	1	2
2025	2	0
2026	0	1

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

Recent patents

Plant and method for producing a corrugated board25 Nov 2025US 12,479,185 B2Fosber S.p.A.
Single facer with heating plates for producing corrugated board11 Mar 2025US 12,246,510 B2Fosber S.p.A.
Method and system for producing a three-dimensionally deformed plate17 Sep 2024US 12,090,682 B2Homann Holzwerkstoffe GmbH
Sheet humidifying device, method, and cardboard sheet manufacturing device4 Jul 2023US 11,691,376 B2Mitsubishi Heavy Industries Machinery Systems, Ltd.
Corrugated cardboard sheet manufacturing system9 May 2023US 11,642,865 B2Mitsubishi Heavy Industries Machinery Systems, Ltd.

Most cited

By later US patents