G21H 5/02

As tracers

Official title: as tracers

G21H5/02 (As tracers) appears on 79 US grants and 82 published applications in this corpus.

Search patents in G21H
Granted patents
79
Published applications
82
Assignees
76
Inventors
259
Latest grant
4 Nov 2025

Filings by year

G21H 5/02: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
1977100
197840
197940
198000
198100
198210
198310
198400
198500
198600
198710
198800
198910
199000
199110
199200
199300
199400
199500
199600
199700
199800
199900
200000
200110
200221
200301
200413
200501
200614
200722
200806
200947
201016
201122
201216
201352
201436
201555
201621
201743
201824
201951
202037
202104
202221
202311
202425
202521
202602

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

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By later US patents