F28D 1/03

With plate-like or laminated conduits

Official title: with plate-like or laminated conduits {(stacked plates having one or more openings therein to form tubular heat-exchange passages F28F3/086)}

F28D1/03 (With plate-like or laminated conduits) appears on 1,139 US grants and 1,247 published applications in this corpus.

Search patents in F28D

Granted patents: 1,139
Published applications: 1,247
Assignees: 538
Inventors: 2,707
Latest grant: 18 Aug 2026

Filings by year

F28D 1/03: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	2	0
1977	7	0
1978	2	0
1979	2	0
1980	4	0
1981	4	0
1982	7	0
1983	5	0
1984	5	0
1985	4	0
1986	11	0
1987	8	0
1988	1	0
1989	11	0
1990	12	0
1991	12	0
1992	17	0
1993	11	0
1994	14	0
1995	17	0
1996	22	0
1997	37	0
1998	28	0
1999	44	0
2000	26	0
2001	42	22
2002	34	44
2003	33	30
2004	28	36
2005	24	41
2006	30	48
2007	19	47
2008	8	28
2009	13	54
2010	15	38
2011	13	33
2012	20	34
2013	21	34
2014	27	42
2015	14	48
2016	15	36
2017	34	39
2018	36	59
2019	46	70
2020	53	96
2021	65	75
2022	52	76
2023	49	66
2024	61	55
2025	53	50
2026	21	46

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

With plate-like or laminated conduits

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