CPC Subgroup
F16L 59/06 Arrangements using an air layer or vacuum
Full Title
Thermal insulation in general > Arrangements using an air layer or vacuum
3 direct subcodes
Child Classifications
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- F16L 59/065 using vacuum (F16L59/075 takes precedence)
- F16L 59/07 the air layer being enclosed by one or more layers of insulation
- F16L 59/075 the air layer or the vacuum being delimited by longitudinal channels distributed around the circumference of a tube
Top Applicants
Top 10 applicants by patent filingsfor class F16, 2013–2023, worldwide · Source: EPO PATSTAT
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 22,817
- ZAHNRADFABRIK FRIEDRICHSHAFEN DE 10,523
- HYUNDAI MOTOR COMPANY KR 7,933
- ROBERT BOSCH DE 7,059
- KIA MOTORS CORPORATION KR 4,867
- SKF SE 4,729
- TOYOTA MOTOR CORPORATION JP 4,111
- FORD GLOBAL TECHNOLOGIES US 3,838
- GM GLOBAL TECHNOLOGY OPERATIONS US 3,575
- TOYOTA MOTOR CORPORATION 3,499