G01V 5/22

Active interrogation, i.e. by irradiating objects or goods using external radiation sources

Official title: Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays

G01V5/22 (Active interrogation, i.e. by irradiating objects or goods using external radiation sources) appears on 1,432 US grants and 1,513 published applications in this corpus.

Search patents in G01V

Granted patents: 1,432
Published applications: 1,513
Assignees: 454
Inventors: 2,092
Latest grant: 15 Sep 2026

Filings by year

G01V 5/22: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	1	0
1977	3	0
1978	0	0
1979	1	0
1980	1	0
1981	1	0
1982	2	0
1983	0	0
1984	2	0
1985	0	0
1986	1	0
1987	1	0
1988	5	0
1989	8	0
1990	3	0
1991	11	0
1992	11	0
1993	13	0
1994	11	0
1995	7	0
1996	6	0
1997	10	0
1998	15	0
1999	15	0
2000	13	0
2001	19	6
2002	17	18
2003	19	15
2004	9	28
2005	14	31
2006	35	47
2007	28	57
2008	52	60
2009	50	70
2010	59	41
2011	40	61
2012	46	70
2013	46	46
2014	47	85
2015	80	85
2016	53	96
2017	74	95
2018	71	81
2019	103	83
2020	100	81
2021	61	65
2022	59	65
2023	52	67
2024	53	81
2025	60	46
2026	44	33

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

Active interrogation, i.e. by irradiating objects or goods using external radiation sources

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