G02B 15/142

Having two groups only

Official title: {having two groups only}

G02B15/142 (Having two groups only) appears on 836 US grants and 602 published applications in this corpus.

Search patents in G02B
Granted patents
836
Published applications
602
Assignees
174
Inventors
935
Latest grant
6 Oct 2026

Filings by year

G02B 15/142: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197740
197830
197960
198060
198160
198270
198390
1984100
198550
198650
1987120
1988110
1989170
1990140
1991120
1992170
1993130
1994170
1995200
1996150
1997280
1998250
1999310
2000160
2001238
20021310
20031111
2004913
2005109
20061418
20071719
20081117
20091922
2010219
20111626
20121320
20131526
20141934
20153638
20162630
20173625
20182138
20192526
20202929
20212534
20222939
20231528
20242422
20253126
20261725

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

Subgroups

Granted patents