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It’s called a bubbler because of the bubbling action, particularly when the stream is vertical. It was invented by and is trademarked by Kohler; I’ve added this to the etymology.
—Nils von Barth (nbarth) (talk) 08:19, 2 July 2010 (UTC)

No trademark found[edit]

I've searched the US Patent and Trademark office records and found no registration of the name "Bubbler" or "The Bubbler" by Kohler. On the other hand, I did find a soft drink dispenser called "Bubbler" registered in 2007 and a pet water aerator called "The Bubbler" from 2005. Since similar names in related industries are usually refused, I conclude that Kohler's "Bubbler" was not registered. I also find lots and lots of blogs and a few newspaper articles claiming Kohler as the source of the name, but most of these stories appear to be based on a Wikipedia article at w:Bubbler that cited no reliable source for the claim. It is therefore doubtful that Kohler originated use of the word in the "drinking fountain" sense. Cnilep (talk) 00:17, 16 June 2013 (UTC)