ALEXANDRIA, Va., May 27 -- Advanced Energy Industries, Fort Collins, Colorado, has been assigned a patent (9,042,121) developed by two co-inventors for a "power converter with preemptive protection." The co-inventors are Hendrik Walde, Fort Collins, Colorado, and Daryl Frost, Windsor, Colorado.

The patent application was filed on Feb. 4, 2013 (13/758,092). The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2F . . .