Inventor
BITTNER KLAUS
DE9 patents
⚠️ This page may combine multiple inventors who share the name “BITTNER KLAUS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEMETALL GMBH
4 patentsUS7736730B2Jun 15, 2010
Method for pretreating and/or coating metallic surfaces with a paint-like coating prior to forming and use of substrates coated in this way
CHEMETALL GMBH29 citations91
US7615257B2Nov 10, 2009
Method for pretreating and/or coating metallic surfaces with a paint-like coating prior to forming and use of substrates coated in this way
CHEMETALL GMBH18 citations91
US6562148B1May 13, 2003
Pretreatment of aluminum surfaces with chrome-free solutions
CHEMETALL GMBH36 citations91
US7208053B2Apr 24, 2007
Method for applying a phosphate covering and use of metal parts thus phospated
CHEMETALL GMBH9 citations69
METALLGESELLSCHAFT AG
3 patentsUS5152849AOct 6, 1992
Phosphating process
METALLGESELLSCHAFT AG13 citations72
US5904786AMay 18, 1999
Method of applying phosphate coatings to metal surfaces
METALLGESELLSCHAFT AG15 citations70
US5795408AAug 18, 1998
Process for the phosphatising treatment of steel strip or sheet galvanized on one side or alloy galvanized on one side
METALLGESELLSCHAFT AG10 citations68