Description: 126 / (15) Enclosed Combustion Chamber (46) Direct Heating Type

Hierarchy/Derived subclasses

126 / 15-> 46-> 47-> 48-> 49
    -> 50
    -> 51
    -> 52
   -> 53
  -> 54-> 55
   -> 56
  -> 57-> 58
   -> 59
   -> 60
   -> 61-> 62
    -> 63-> 64
   -> 65-> 66
   -> 67
   -> 68

CIPO searches

search just 126/46

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((126/46 <IN> CPC) <OR> (126/47 <IN> CPC) <OR> (126/48 <IN> CPC) <OR> (126/49 <IN> CPC) <OR> (126/50 <IN> CPC) <OR> (126/51 <IN> CPC) <OR> (126/52 <IN> CPC) <OR> (126/53 <IN> CPC) <OR> (126/54 <IN> CPC) <OR> (126/55 <IN> CPC) <OR> (126/56 <IN> CPC) <OR> (126/57 <IN> CPC) <OR> (126/58 <IN> CPC) <OR> (126/59 <IN> CPC) <OR> (126/60 <IN> CPC) <OR> (126/61 <IN> CPC) <OR> (126/62 <IN> CPC) <OR> (126/63 <IN> CPC) <OR> (126/64 <IN> CPC) <OR> (126/65 <IN> CPC) <OR> (126/66 <IN> CPC) <OR> (126/67 <IN> CPC) <OR> (126/68 <IN> CPC))

This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find patents in those subclasses.
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