Inventor

SPARWALD VOLKER

5 patents

⚠️ This page may combine multiple inventors who share the name “SPARWALD VOLKER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIEMENS AG

2 patents

US4024034AMay 17, 1977

Method for operating the furnaces of an electrolysis plant

SIEMENS AG11 citations66

US4008142AFeb 15, 1977

Apparatus for operating the furnaces of an electrolysis plant

SIEMENS AG8 citations66

VAW VER ALUMINIUM WERKE AG

1 patent

US4006066AFeb 1, 1977

Method of and apparatus for the treatment of exhaust-gases in the electrolytic production of aluminum

VAW VER ALUMINIUM WERKE AG42 citations89

METALLGESELLSCHAFT AG

1 patent

US4065271ADec 27, 1977

Process of separating hydrogen fluoride from gases

METALLGESELLSCHAFT AG37 citations87

VAW ALUMINUM AKTIENGESELLSCHAF

1 patent

US5288383AFeb 22, 1994

Method and apparatus for adjusting the distance between the poles of electrolysis cells

VAW ALUMINUM AKTIENGESELLSCHAF14 citations61