Each recipe is orange until its yellow rank and grey from its grey rank. When the ranks differ, it turns green somewhere between the two; the client files give both ranks but not that point. Equal ranks go straight to grey.

Engineering: Devices
RecipeMakesReagentsNeedsSkill-up
Shredder Autosalvage UnitTaught by Schematic: Shredder Autosalvage Unit, requires 135
Shredder Autosalvage Unit
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 135Grey 145
Goblin Jumper CablesTaught by Schematic: Goblin Jumper Cables, requires 165
Goblin Jumper CablesYellow 160Grey 200
Centaur Banner Deployment DeviceTaught by Schematic: Centaur Banner Deployment Device, requires 190
Centaur Banner Deployment DeviceQuantity not confirmed
  • Arclight Spanner
  • Gyromatic Micro-Adjustor
  • Anvil
Yellow 190Grey 205
Snowmaster 9000Taught by Schematic: Snowmaster 9000, requires 190
Snowmaster 9000
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 190Grey 230
Compact Critter CarrierTaught by Schematic: Compact Critter Carrier, requires 225
Compact Critter CarrierQuantity not confirmed
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 230Grey 235
Goblin "Boom" Box
Unrevealed item #10580
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 235Grey 255
Goblin Radio
Unrevealed item #10585
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 240Grey 260
Gnomish Army KnifeTaught by Schematic: Gnomish Army Knife, requires 250
Gnomish Army KnifeQuantity not confirmed
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 250Grey 255
World EnlargerTaught by Schematic: World Enlarger, requires 260
World Enlarger
  • Blacksmith Hammer
  • Anvil
Yellow 260Grey 270
Salt Shaker
Salt Shaker
  • Blacksmith Hammer
  • Anvil
Yellow 270Grey 290
Loot-A-RangTaught by Schematic: Loot-A-Rang, requires 275
Loot-A-RangQuantity not confirmed
  • Arclight Spanner
  • Gyromatic Micro-Adjustor
  • Anvil
Yellow 275Grey 280
Gyrofreeze Ice ReflectorTaught by Schematic: Gyrofreeze Ice Reflector, requires 260
Gyrofreeze Ice Reflector
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 280Grey 300
Major RecombobulatorTaught by Schematic: Major Recombobulator, requires 275
Major RecombobulatorYellow 285Grey 295
Dimensional Ripper - Everlook
Dimensional Ripper - Everlook
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 285Grey 305
Goblin Jumper Cables XLTaught by Schematic: Goblin Jumper Cables XL, requires 265
Goblin Jumper Cables XLYellow 285Grey 305
Ultrasafe Transporter - Gadgetzan
Ultrasafe Transporter: Gadgetzan
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 285Grey 305
Steam Tonk ControllerTaught by Schematic: Steam Tonk Controller, requires 275
Steam Tonk Controller
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 295Grey 315
Hyper-Radiant Flame ReflectorTaught by Schematic: Hyper-Radiant Flame Reflector, requires 290
Hyper-Radiant Flame Reflector
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 310Grey 330
Voice Amplification ModulatorTaught by Schematic: Voice Amplification Modulator, requires 290
Voice Amplification Modulator
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 310Grey 330
Dimensional Transporter - Mt. HyjalTaught by Schematic: Dimensional Transporter: Mt. Hyjal, requires 300
Dimensional Transporter - Mt. HyjalQuantity not confirmed
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 320Grey 340
Gnomish Weather MachineTaught by Schematic: Gnomish Weather Machine, requires 300
Gnomish Weather Machine NYIQuantity not confirmed
  • Arclight Spanner
  • Gyromatic Micro-Adjustor
  • Anvil
Yellow 320Grey 340
Ultra-Flash Shadow ReflectorTaught by Schematic: Ultra-Flash Shadow Reflector, requires 300
Ultra-Flash Shadow Reflector
  • Blacksmith Hammer
  • Arclight Spanner
  • Anvil
Yellow 320Grey 340

From the Forever beta client files, build 1.60.1.70630: the SkillLine, SkillLineAbility, TradeSkillCategory, SpellReagents, SpellEffect, SpellTotems, SpellCastingRequirements and ItemEffect tables.