Subclass	Subgroup	Patent
F02B	29/0443	12392276
	43/10	12392277
	47/02	12392278
	53/02	12392279
F02C	3/06	12392280
	3/30	12392281
	5/08	12392282
	6/12	12392283
	7/045	12392254
	7/052	12392284
		12392285
	7/06	12392257
	7/14	12392286
	7/141	12392287
	7/16	12392288
	7/18	12392289
	7/185	12392290
	7/20	12392291
	7/24	12392292
	7/36	12392293
		12392294
	9/18	12392295
		12392296
F02D	9/04	12392297
	13/04	12392298
	29/06	12392299
	41/029	12392300
F02F	5/00	12392301
F02G	1/04	12392302
F02K	1/04	12392303
	1/70	12392304
	1/763	12392305
	1/766	12392306
	3/075	12392307
F02M	21/0221	12392308
	26/70	12392309
F02P	3/02	12392310