Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood, while ACE inhibitors are a type of medication used to treat high blood pressure. According to the sources provided, there are no known negative interactions between Lipitor and ACE inhibitors. However, it is important to note that individuals should always consult with their healthcare provider before taking any new medications or making changes to their current medication regimen.

The first source [1] provides information on Lipitor and its patent status, but does not mention any interactions with ACE inhibitors. The second source [2] explains what ACE inhibitors are and how they work to treat high blood pressure. It does not mention any negative interactions with Lipitor. The third source [3] discusses the drug interactions of Paxlovid, a medication used to treat COVID-19, but does not mention any interactions between Lipitor and ACE inhibitors.

In conclusion, based on the sources provided, there are no known negative interactions between Lipitor and ACE inhibitors. However, individuals should always consult with their healthcare provider before taking any new medications or making changes to their current medication regimen.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.mayoclinic.org/diseases-conditions/high-blood-pressure/in-depth/ace-inhibitors/art-20047480
[3] https://www.covid19treatmentguidelines.nih.gov/therapies/antivirals-including-antibody-products/ritonavir-boosted-nirmatrelvir--paxlovid-/paxlovid-drug-drug-interactions/