Inventor
BLOCK WILLIAM V
US17 patents
⚠️ This page may combine multiple inventors who share the name “BLOCK WILLIAM V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BIRCHWOOD LAB INC
11 patentsUS6309476B1Oct 30, 2001
Composition and method for metal coloring process
BIRCHWOOD LAB INC68 citations94
US6899769B2May 31, 2005
Composition and method for metal coloring process
BIRCHWOOD LAB INC13 citations91
US6576346B1Jun 10, 2003
Composition and method for metal coloring process
BIRCHWOOD LAB INC20 citations91
US6899956B2May 31, 2005
Metal coloring process and solutions therefor
BIRCHWOOD LAB INC13 citations82
US6695931B1Feb 24, 2004
Composition and method for metal coloring process
BIRCHWOOD LAB INC8 citations72
US6527873B2Mar 4, 2003
Composition and method for metal coloring process
BIRCHWOOD LAB INC9 citations72
US7964044B1Jun 21, 2011
Ferrous metal magnetite coating processes and reagents
BIRCHWOOD LAB INC6 citations71
US7625439B1Dec 1, 2009
Bath composition for converting surface of ferrous metal to mixed oxides and organometallic compounds of aluminum and iron
BIRCHWOOD LAB INC3 citations60
US7481872B1Jan 27, 2009
Process for making bath composition for converting surface of ferrous metal to mixed oxides and organometallic compounds of aluminum and iron
BIRCHWOOD LAB INC1 citations60
US7144599B2Dec 5, 2006
Hybrid metal oxide/organometallic conversion coating for ferrous metals
BIRCHWOOD LAB INC2 citations60
US9039821B2May 26, 2015
Methods and compositions for coating aluminum substrates
BIRCHWOOD LAB INC0 citations49