F28D 1/05391

With multiple rows of conduits or with multi-channel conduits combined with a

Official title: {with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators}

F28D1/05391 (With multiple rows of conduits or with multi-channel conduits combined with a) appears on 564 US grants and 818 published applications in this corpus.

Search patents in F28D

Granted patents: 564
Published applications: 818
Assignees: 176
Inventors: 1,361
Latest grant: 22 Sep 2026

Filings by year

F28D 1/05391: granted patents and published applications per publication year
Year	Granted patents	Published applications
1986	1	0
1987	0	0
1988	0	0
1989	1	0
1990	2	0
1991	5	0
1992	7	0
1993	5	0
1994	7	0
1995	3	0
1996	7	0
1997	4	0
1998	6	0
1999	6	0
2000	6	0
2001	8	3
2002	5	6
2003	4	8
2004	7	17
2005	6	22
2006	12	27
2007	13	33
2008	8	38
2009	6	32
2010	18	28
2011	16	38
2012	11	23
2013	17	25
2014	15	36
2015	16	49
2016	15	44
2017	38	28
2018	40	36
2019	39	42
2020	36	46
2021	28	35
2022	36	41
2023	24	37
2024	31	55
2025	40	40
2026	15	29

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

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