Inventor
CRANDELL STEPHEN L
US22 patents
⚠️ This page may combine multiple inventors who share the name “CRANDELL STEPHEN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG IND OHIO INC
15 patentsUS7588653B2Sep 15, 2009
Method of making an integrated window sash
PPG IND OHIO INC64 citations97
US6886297B1May 3, 2005
Insulating unitless window sash
PPG IND OHIO INC54 citations96
US6115989ASep 12, 2000
Multi-sheet glazing unit and method of making same
PPG IND OHIO INC135 citations96
US6345485B1Feb 12, 2002
Multi-sheet glazing unit and method of making same
PPG IND OHIO INC60 citations95
US7997037B2Aug 16, 2011
Integrated window sash with groove for desiccant material
PPG IND OHIO INC55 citations93
US7827761B2Nov 9, 2010
Plastic spacer stock, plastic spacer frame and multi-sheet unit, and method of making same
PPG IND OHIO INC26 citations92
US7765769B2Aug 3, 2010
Integrated window sash with lattice frame and retainer clip
PPG IND OHIO INC22 citations92
US7490445B2Feb 17, 2009
Integrated window sash
PPG IND OHIO INC44 citations92
US6301858B1Oct 16, 2001
Sealant system for an insulating glass unit
PPG IND OHIO INC36 citations92
US6715244B2Apr 6, 2004
Multi-sheet glazing unit and method of making same
PPG IND OHIO INC26 citations91
US6477812B2Nov 12, 2002
Multi-sheet glazing unit and method of making same
PPG IND OHIO INC36 citations91
US7241352B2Jul 10, 2007
Insulating unitless window sash
PPG IND OHIO INC16 citations84
US7950194B2May 31, 2011
Plastic spacer stock, plastic spacer frame and multi-sheet unit, and method of making same
PPG IND OHIO INC11 citations83
US7739851B2Jun 22, 2010
Plastic spacer stock, plastic spacer frame and multi-sheet unit, and method of making same
PPG IND OHIO INC17 citations83
US7954284B2Jun 7, 2011
Retainer clip for grid simulating muntins
PPG IND OHIO INC1 citations49
PPG INDUSTRIES INC
7 patentsUS4738065AApr 19, 1988
Curtainwall system
PPG INDUSTRIES INC77 citations96
US4625481ADec 2, 1986
Replacement panel and method of installing same in a curtainwall
PPG INDUSTRIES INC66 citations96
US4543755AOct 1, 1985
Curtainwall system
PPG INDUSTRIES INC72 citations96
US4483122ANov 20, 1984
Replacement panel and method of installing same in a curtainwall
PPG INDUSTRIES INC114 citations96
US4307551ADec 29, 1981
System for cladding building exteriors
PPG INDUSTRIES INC129 citations96
US4768321ASep 6, 1988
Glazing system
PPG INDUSTRIES INC39 citations92
US4633631AJan 6, 1987
Curtainwall system
PPG INDUSTRIES INC46 citations92