Granted patents
283
Published applications
140
Assignees
98
Inventors
488
Latest grant
6 Oct 2026

Filings by year

F16D 55/22655: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
1977130
1978140
197930
1980100
1981100
1982120
198350
1984160
198580
198670
198770
198890
198960
199050
199150
199270
199370
199420
199530
199630
199750
199850
199940
200080
200152
200243
200341
200414
200532
200603
200722
200843
200905
201026
201126
201221
201315
201437
201566
201675
201778
2018612
2019104
202058
202149
2022410
202374
2024412
202539
2026103

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

Recent patents

Most cited

By later US patents