02 / Company & ownership
Behind the brand.
Metallurgist John Ulam applied his bonded-metal expertise to cookware in Canonsburg, Pennsylvania. The result became All-Clad: layered pans that combine stainless steel with conductive cores.
Sources · previous brand research
- 1971
John Ulam founds All-Clad in Pennsylvania.
- D3
Tri-ply stainless becomes the defining collection.
- Today
D3, D5, Copper Core and G5 remain tied to Canonsburg.



