Inventor

WIGGER STEFAN

DE5 patents

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

HOUGHTON DURFERRIT GMBH

2 patents

US6245162B1Jun 12, 2001

Boriding agent

HOUGHTON DURFERRIT GMBH27 citations89

US6503344B2Jan 7, 2003

Boronizing agent in paste form

HOUGHTON DURFERRIT GMBH15 citations80

DURFERRIT THERMOTECHNIK GMBH

2 patents

US5769906AJun 23, 1998

Process for recovering the salt constituents from hardening-shop salt baths

DURFERRIT THERMOTECHNIK GMBH17 citations77

US5846501ADec 8, 1998

Process for the selective recovery of the salt constituents from used hardening shop salts which contain nitrite-nitrate

DURFERRIT THERMOTECHNIK GMBH6 citations57

DURFERRIT GMBH

1 patent

US6964712B2Nov 15, 2005

Hardening protection compositions for partial carburization of metallic components

DURFERRIT GMBH2 citations58