The company introduced a lower-priced version, the Scooba 5800, in the second half of 2006.
But some companies are considering the possibility of producing a lower-priced version that could eventually find its way into homes.
Flint was a lower-priced version of Flame with removed functions.
Chrysler plans to offer a lower-priced version of the car - around $30,000 instead of $38,000 - to stimulate sales.
Premarin does not have patent protection, but she said the Government was unlikely to approve a lower-priced generic version before 1993.
The company also has a lower-priced version with less features, called Milestones Simplicity.
Several companies are planning lower-priced generic versions of Epogen.
The analyst said at least two companies had preliminary approval to make lower-priced generic versions.
The company said the increase was meant to compensate for a loss of market share to the lower-priced generic version.
Bids were accepted on six products, each a lower-priced generic version of a brand-name drug.