B63C 11/18

Air supply

Official title: Air supply (for diving masks B63C11/14, B63C11/16; respiratory apparatus in general A62B)

B63C11/18 (Air supply) appears on 862 US grants and 578 published applications in this corpus.

Search patents in B63C
Granted patents
862
Published applications
578
Assignees
280
Inventors
1,115
Latest grant
29 Sep 2026

Filings by year

B63C 11/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976170
1977230
1978140
1979130
1980180
1981150
1982100
198370
1984150
198580
1986100
1987100
198880
1989220
1990140
1991180
1992120
1993290
1994200
1995170
1996290
1997300
1998240
1999350
2000150
2001253
20021533
20032522
20042329
20051737
20061922
20071824
20081138
20091221
20101931
20111418
20121913
20131812
20141516
2015717
2016723
20171524
20181628
20191628
20202428
20212227
20221821
20231320
20241217
20251618
2026138

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

Subgroups

Granted patents