A vertical tumbler, like a big movie film canister, that tumbles your grill grate with small pumice stones. Preferably incorporated into a solar or wind-powered sculpture. It would have an auto shutoff after x number of turns.

Put the grate top in the canister when you're done grilling, and it will be ready to be rinsed and used the next evening.
-- nomocrow, Aug 11 2009

tumble cleaners are pretty baked, though perhaps not at that size (and I want one for my car).
-- FlyingToaster, Aug 11 2009


Barbecue grills see some pretty sanitizing temperatures, so I'll have a {21} steak, medium rare please. Not so sure I'll ask him to do my laundry, though.
-- normzone, Aug 11 2009



random, halfbakery