As I understand it there was multiple "vaping" device invented a long time prior to Ruyan at any time mass generated an e-cigarette, probably the most well-known 1 becoming the just one from the patent pic beneath from Herbert Gilbert. OTOH, vaping hit Europe all over 2005 and NA all https://shaneqqmic.gynoblog.com/34173009/details-fiction-and-vape-buddy-monkey-puffs-buy-online