Kuper Meister, Boettger - translation

[Higpoidius]

 Northern Germany 1830 - a profession listed as Kuper Meister, Boettger (with o umlaut).
I initially read it as copper master, and no idea what the Boettger referred to and can't find any translation of it. The only suggestion was Boettgerware from the Meissen porcelain factory, but this is 500 miles away from Dresden, and I understand Boettgerware stopped production in the 1720s. However, this individuals son is described as Boettcher, which I understand is a cooper. Copper? Cooper? are the 2 connected in some way?  Or perhaps I've misunderstood.

Any help gratefully received.

[HughC]

Küper is North German dialect for Küfer,
and Böttger presumably a variant of Böttcher,
both meaning cooper, though Küfer can also mean a cellarer.

Nothing to do with Kupfer = copper.

[Higpoidius]

Thanks HughC for this. My translation app obviously getting confused!