Harbaugh's offense was a run-heavy version of the West Coast Offense, and they would often times use multiple TE sets.
David Shaw kept the same offense in place for most of the time, so all of their TE's got a lot of playing time.
Troy Taylor kept the offense mostly intact, still running the West Coast Offense, but with a bit more of a balanced attack.
I don't know what kind of offense Tavita Pritchard is going to run. It would make sense that he'd run the same offense that he played in under Harbaugh, but according to the boards, it was a universal conclusion that he stunk up the field as Stanford's OC.