Exhibit 12

GARDNER DENVER, INC.

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(Dollars in thousands)

	YEAR ENDED DECEMBER 31,
	2012		2011		2010		2009			2008
Earnings:
Net income (loss) before income taxes	$	361,562		386,981		231,851		(138,394	)		234,997
Fixed charges		25,846		25,814		32,882		38,896			33,709
Total earnings (loss), as defined	$	387,408		412,795		264,733		(99,498	)		268,706
Fixed Charges:
Interest expense	$	14,706		15,397		23,424		28,485			25,483
Rentals — portion representative of interest		11,140		10,417		9,458		10,411			8,226
Total fixed charges	$	25,846		25,814		32,882		38,896			33,709
Ratio of Earnings to Fixed Charges (deficiency in the coverage of fixed charges by earnings before fixed charges)		15.0x		16.0x		8.1x		(138,394	)		8.0x

100