New enchanting recipesFollow

Not to interrupt your snideness (I do think that some independent research is needed before posting a question like this) but the link you posted does not specify whether the recipe drops on regular or heroic Ulduar, which was what the OP asked.

The answer can be easily found by clicking on any one of the bosses, however, and looking at what they drop in regular and heroic.

(hint:according to thottbott, the recipes only drop in heroic)

Dropped by (Heroic)
Search Table | Click Column Headers to Sort | Columns
Level Name Drop# Drop% Maps
83
Boss Runemaster Molgeim

2 1.9% Ulduar
83
Boss Ignis the Furnace Master

2 1.9% Ulduar
83
Boss Yogg-Saron

2 1.9% Ulduar
83
Boss Algalon the Observer

2 2.0% Ulduar
83
Boss Stormcaller Brundir

2 2.0% Ulduar
83
Boss Flame Leviathan

2 1.8% Ulduar
83
Boss Auriaya

2 1.9% Ulduar
83
Boss XT-002 Deconstructor

2 1.9% Ulduar
83
Boss General Vezax

2 1.9% Ulduar
83
Boss Steelbreaker

2 2.0% Ulduar
Found within
Name Drop# Drop% Zone
Gift of the Observer 2 2.0% Ulduar
Cache of Winter 2 2.0% Ulduar
Cache of Innovation 2 2.0% Ulduar

heh, that's what I get for trying to be clever late at night. I retract my snideness :P