Filings by year

B60T 13/24: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976420
1977360
1978310
1979180
1980330
1981350
1982250
1983390
1984440
1985440
1986590
1987530
1988520
1989500
1990470
1991570
1992530
1993590
1994380
1995390
1996400
1997400
1998490
1999420
2000440
20016214
20024137
20035256
20044259
20054141
20064037
20072432
20081427
20091119
20101538
20112132
20122125
20132332
20143139
20153449
20163846
20174754
20184366
20195655
20205568
20214866
20224566
20234348
20246263
20254850
20264346

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