The Invention skill works differently than other skills, in the following ways[2]:
Item experience is gained at 150% of the normal rate (1.5x normal experience)
Discovering blueprints and creating items on an inventor's workbench gives 150% of the normal experience (1.5x)
Protean cogs give 150% of the normal experience (1.5x)
Disassembling typical items (not "levellable" equipment, see below) will give 150% of the normal experience (1.5x)
Disassembling and siphoning equipment (augmented equipment, Fishing rod-o-matic, etc.) does not give any bonus experience
The following actions do not provide any bonus experience:
Quest experience rewards
Any experience earned through the Assist System
Items/locations that already give bonus experience, including:
Ancient effigies
Brawling gloves
Chaos Temple
Cremation will double the firemaking xp but not the prayer xp
Dragon Rider amulet
Dungeoneering Wildcards
Dwarven tools
Ectofuntus
Essence of wisdom
Experience lamps
Filled penance horns
Player-owned house altars
Sacred clay items
Summer Beach Party cocktails
Tomes of experience
Urns
The Wisdom of Scabaras effect of the desert pantheon aura
Experience rewards from activities including:
All Fired Up
Daily Challenges
Distractions and Diversions, excluding Big Chinchompa
Handing in strange rocks and golden rocks
Jade vine
Farming experience from gathered produces at player-owned farm[3]
Anything which allows points to be exchanged for experience, including:
Brimhaven Agility Arena tickets
Dungeoneering tokens
Mrs Winkin's World of Seeds shop from Vinesweeper
Slayer incentives
Slayer contract (Wilderness)
Ironman Mode players are also disallowed from participating.