Coffee bean hoppers store whole beans until it is time to grind with your grinder, your superautomatic espresso machine or your one-touch coffee maker. Need to swap out your coffee bean hopper for a new one? Hop to it! Coffee and espresso grinders for home and for café take a lot of use and abuse. No need to blame the broken bean hopper on the dog or the teenager. Coffee bean hoppers are available for a range for brands and models.