Subclass Subgroup Patent
F01D 5/005 12392244
  5/147 12392245
  5/187 12392246
  5/282 12392247
  5/288 12392248
    12392249
  9/065 12392250
  11/006 12392251
  11/08 12392252
  11/14 12392253
  21/003 12392255
  25/005 12392256
  25/24 12392258
  25/285 12392259
F01K 3/14 12392260
  3/188 12392261
  7/22 12392262
  25/103 12392263
F01L 1/14 12392264
  1/3442 12392265
  3/14 12392266
F01M 11/0004 12392267
  11/0408 12392268
F01N 3/2066 12392269
  11/002 12392270
  13/0097 12392271
  13/1805 12392272
  13/1822 12392273
F01P 7/165 12392274
  11/029 12392275