The phrase 'has been engineering' is correct and usable in written English.
You can use it when discussing a process that has been in progress for some time and is ongoing. For example, "The company has been engineering new products for the last few years with great success."
Mr. Paul's campaign has been engineering minor coups at Republican party conventions in several states.
ALMOST since the day it began, the dominant academic discipline behind the "science" of management has been engineering.
Working with Goodyear, biotechnology company Genencor has been engineering bacteria that make isoprene the chemical used to make tire rubber from sugars derived from biomass.
The lab has been engineering a unique beta-roll peptide sequence that can transition from an unfolded-state to a folded-state upon addition of calcium.
Houston's general manager, Jeff Luhnow, has been engineering an ambitious rebuilding project for the last few seasons, letting the major league club suffer in hopes of creating a contender.
Mr. Brown, the UTC Power executive, said one of the biggest hurdles to developing solid oxide fuel cells has been engineering the stack to withstand extreme temperatures without cracking or leaking.
He had been engineering a comeback tour in an effort to rehabilitate his public image and bolster his tottering finances.
Further, the delivery platforms have been engineering into a variety of forms including coatings, encapsulated microbeads, and nanofibers.
Even more frightening, uncoordinated efforts could be too successful, flipping earth from a warming scenario to a dangerously cold one.People have been engineering the climate in very aggressive fashion for more than a century now.
