According to the sources provided, Lipitor and ACE inhibitors can be taken separately. Lipitor is a brand name for the drug atorvastatin, which is a medication used to lower cholesterol levels in the blood. ACE inhibitors, on the other hand, are a class of drugs used to treat high blood pressure and heart failure.

The first source, Drug Patent Watch [1], provides information about the patent status of Lipitor. It does not mention anything about the drug's interaction with ACE inhibitors.

The second source, a study published in the Journal of the American College of Cardiology [2], discusses the use of ACE inhibitors in patients with heart failure. The study does not mention Lipitor or any potential interactions between Lipitor and ACE inhibitors.

The third source, GoodRx [3], provides a list of the 10 most common drug combinations. While Lipitor and ACE inhibitors are both on the list, they are not listed as a combination therapy.

In conclusion, based on the sources provided, Lipitor and ACE inhibitors can be taken separately. However, it is important to consult with a healthcare provider before starting any new medication or combination therapy.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://pubmed.ncbi.nlm.nih.gov/27590905/
[3] https://www.goodrx.com/healthcare-access/medication-education/10-most-common-drug-combinations