Granted patents
531
Published applications
150
Assignees
287
Inventors
628
Latest grant
2 Dec 2025

Filings by year

Y10T 156/1771: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976150
197790
1978150
197960
1980120
1981180
1982130
1983140
1984230
1985210
1986200
1987140
1988270
1989100
1990120
1991200
1992170
1993160
1994110
1995220
1996190
1997100
1998120
1999120
200050
200182
20021420
20031414
20042013
20051011
2006617
200777
200889
2009414
2010410
20111010
2012185
201376
2014156
201533
201620
201721
201821
201910
202010
202110
202200
202301
202400
202510

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

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Most cited

By later US patents