After the turn of the century, it collaborated with artists such as Thorvald Bindesbøll, WillumsenJ and Axel Salto.

Peter Ipsen (1815-1860) initially apprenticed as a joiner in his home town but gave it up as a result of poor health to become an apprentice at the Royal Porcelain Manufactury in 1833.

His products included flower pots, lamps, water coolers and tea sets as well as replica of antique Greek vases and vessels.

Ipsen initially experienced some difficulty selling his yellow, unglazed creations to the city's many porcelain vendors but demand slowly increased and by 1847 he was able to buy a small piece of land and build a new workshop at Frederikssundsvej in Utterslev.

He became the formal manager of the company when Bonfils was drafted in 1865 but his mother continued to play a central role in the operations.