We also stopped by CCA's booth at ICFF, but we were disappointed that Timotheos Leahy's Guzel water bowl was not on display.
The Guzel is a re-fillable water bowl. As a dog (or, we think, a cat) drinks water from the bowl, the bottle in the center re-fills the bowl back to the same water line. The bottle holds enough water to re-fill the bowl two or three times.
We love the design; it's both simple and really beautiful.