H01J 49/0022

Portable spectrometers

Official title: {Portable spectrometers, e.g. devices comprising independent power supply, constructional details relating to portability (small scale devices per se H01J49/0013 and H01J49/0018)}

H01J49/0022 (Portable spectrometers) appears on 102 US grants and 103 published applications in this corpus.

Search patents in H01J
Granted patents
102
Published applications
103
Assignees
65
Inventors
209
Latest grant
21 Oct 2025

Filings by year

H01J 49/0022: granted patents and published applications per publication year
YearGranted patentsPublished applications
198810
198900
199000
199100
199210
199300
199420
199530
199630
199710
199800
199910
200000
200101
200212
200303
200451
200536
200610
200734
200811
200910
201012
201106
201225
201311
201455
201597
2016713
2017118
201866
201984
202055
202137
202242
202345
202443
202556

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents