G01D 4/00

Tariff metering apparatus

Official title: Tariff metering apparatus (in taximeters G07B13/00; apparatus actuated by coins, cards or the like with meter-controlled dispensing of liquid, gas, or electricity G07F15/00)

G01D4/00 (Tariff metering apparatus) appears on 1,975 US grants and 2,377 published applications in this corpus.

Search patents in G01D
Granted patents
1,975
Published applications
2,377
Assignees
862
Inventors
3,624
Latest grant
15 Sep 2026

Filings by year

G01D 4/00: granted patents and published applications per publication year
YearGranted patentsPublished applications
197740
197820
197940
198030
198110
198210
198320
198450
198530
198620
198750
198840
198950
199040
199170
199280
199390
199440
199570
1996180
1997100
1998130
1999220
2000190
2001195
20021634
20031733
20041946
20051948
20063871
20075565
200834128
20093496
201053112
201171162
201297164
2013109178
2014129195
2015132140
2016127114
2017143119
20189099
2019116105
202099116
20219788
20229566
20238257
20244260
20254546
20263530

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents