H01Q 21/08

The units being spaced along or adjacent to a rectilinear path

Official title: the units being spaced along or adjacent to a rectilinear path {(waveguide fed H01Q21/0037)}

H01Q21/08 (The units being spaced along or adjacent to a rectilinear path) appears on 2,228 US grants and 2,350 published applications in this corpus.

Search patents in H01Q

Granted patents: 2,228
Published applications: 2,350
Assignees: 828
Inventors: 4,271
Latest grant: 6 Oct 2026

Filings by year

H01Q 21/08: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	5	0
1977	2	0
1978	5	0
1979	7	0
1980	4	0
1981	0	0
1982	4	0
1983	3	0
1984	2	0
1985	5	0
1986	1	0
1987	2	0
1988	5	0
1989	4	0
1990	3	0
1991	6	0
1992	6	0
1993	8	0
1994	8	0
1995	3	0
1996	12	0
1997	11	0
1998	21	0
1999	36	0
2000	40	0
2001	31	5
2002	23	28
2003	27	22
2004	21	28
2005	25	30
2006	27	45
2007	24	25
2008	22	28
2009	38	42
2010	22	61
2011	31	37
2012	36	43
2013	45	44
2014	37	56
2015	38	80
2016	50	54
2017	54	79
2018	76	106
2019	94	144
2020	141	237
2021	196	234
2022	219	235
2023	180	278
2024	232	204
2025	233	129
2026	103	76

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

The units being spaced along or adjacent to a rectilinear path

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