According to our Smart Pen Archives, Apple has now filed more than a dozen smart pen patent applications over the last few years with each one getting more innovative and detailed. One of the most advanced patent applications on smart pens to date was published this past April and one of two patent applications on this subject published today illustrates that Apple is really trying to find a smart pen solution that could also work with ordinary paper. Students and professional doodlers alike could work on ordinary paper and/or notebooks and then simply transfer their data to the device of their choosing when they're done. Other equally innovative ideas that surfaced today include a unique heating element that provides the iPen's tip with smooth action on the display in any temperature and even an integrated iPen dock to charge the Pen's battery. With Apple working on so many advanced iPen options of late, it's evident that the Crazy Ones in Cupertino think that they're closing in on the perfect smart pen.