G01L 21/02

Vacuum gauges: having a compression chamber in which gas, whose pressure is

Official title: having a compression chamber in which gas, whose pressure is to be measured, is compressed

G01L21/02 (Vacuum gauges: having a compression chamber in which gas, whose pressure is) appears on 10 US grants and 12 published applications in this corpus.

Search patents in G01L
Granted patents
10
Published applications
12
Assignees
12
Inventors
37
Latest grant
17 Jan 2023

Filings by year

G01L 21/02: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198100
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199510
199600
199700
199800
199910
200000
200100
200200
200300
200400
200500
200600
200700
200800
200900
201000
201101
201202
201300
201410
201520
201602
201700
201822
201901
202000
202112
202200
202312

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents