(under subclass 227) Process including different types of application of thermal energy.
(1) Note. Included herein, for example, is the application of heat from an electrical resistance element combined with heating by a torch.
(2) Note. Heating to a first temperature and subsequently heating to a different temperature is not considered to be "diverse" for this subclass. Similarly, heating at a first
rate and then at a second rate is not considered to be diverse.