P

Inventor

SPREHE JOSEF

DE6 patents
⚠️ This page may combine multiple inventors who share the name “SPREHE JOSEF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIEMENS AG

4 patents
US4812296AMar 14, 1989

Process utilizing catalytic material for the reduction of nitrous oxides

SIEMENS AG70 citations91
US5225390AJul 6, 1993

Catalyst for reducing nitrogen oxides

SIEMENS AG24 citations89
US5045516ASep 3, 1991

Process for producing a catalyst for reducing nitrogen oxides in flue gases

SIEMENS AG36 citations89
US5749651AMay 12, 1998

Combined feed and mixing device

SIEMENS AG10 citations71

KRAFTWERK UNION AG

1 patent
US4512957AApr 23, 1985

Method for the separation of uranium isotope compounds already converted isotope-selectively

KRAFTWERK UNION AG0 citations38

GUEGEL SIEGFRIED

1 patent
US8539673B2Sep 24, 2013

Method and device for machining a sealing seat of a shut-off valve

GUEGEL SIEGFRIED1 citations35