Subclass	Subgroup	Patent
F03B	15/18	11092131
F03D	1/0633	11092132
	1/0675	11092133
	7/0224	11092134
	7/0296	11092135
	7/043	11092136
	9/12	11092137
	17/00	11092138
	80/50	11092139
	80/88	11092140
F03G	3/00	11092141
F03H	1/0018	11092142