Inventor
SIMPSON HAROLD G
US51 patents
⚠️ This page may combine multiple inventors who share the name “SIMPSON HAROLD G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIMPSON INC HAROLD
22 patentsUS7874117B1Jan 25, 2011
Standing seam roof assembly
SIMPSON INC HAROLD51 citations98
US7574839B1Aug 18, 2009
Roof assembly having increased resistance to sidelap shear
SIMPSON INC HAROLD60 citations98
US5697197ADec 16, 1997
Roof panel system having increased resistance to wind loads
SIMPSON INC HAROLD108 citations98
US6889478B1May 10, 2005
Standing seam roof assembly having increased sidelap shear capacity
SIMPSON INC HAROLD45 citations96
US5857292AJan 12, 1999
Roof support apparatus
SIMPSON INC HAROLD65 citations96
US5692352ADec 2, 1997
Roof panel standing seam assemblies
SIMPSON INC HAROLD74 citations96
US5142838ASep 1, 1992
Standing seam roof assembly and support apparatus
SIMPSON INC HAROLD53 citations96
US4682454AJul 28, 1987
Standing seam roof assembly components
SIMPSON INC HAROLD75 citations96
US4602468AJul 29, 1986
Roof clip assembly for a roof system
SIMPSON INC HAROLD57 citations96
US5704170AJan 6, 1998
Apparatus for roof support
SIMPSON INC HAROLD40 citations93
US5685118ANov 11, 1997
Roof panels with stiffened endlaps
SIMPSON INC HAROLD36 citations93
US4597234AJul 1, 1986
Standing seam roof assembly
SIMPSON INC HAROLD39 citations93
US7984596B1Jul 26, 2011
Roof assembly improvements providing increased load bearing
SIMPSON INC HAROLD35 citations92
US5737894AApr 14, 1998
Standing seam assembly
SIMPSON INC HAROLD51 citations92
US5303528AApr 19, 1994
Standing seam roof assembly and support apparatus
SIMPSON INC HAROLD25 citations92
US4620397ANov 4, 1986
Roof system positionable over an existing roof structure and method for installing same
SIMPSON INC HAROLD46 citations92
US6301853B1Oct 16, 2001
Standing seam roof assembly
SIMPSON INC HAROLD45 citations91
US5005323AApr 9, 1991
Apparatus for securing a roofing support spacer to underlying support structures
SIMPSON INC HAROLD33 citations87
US7730694B1Jun 8, 2010
Sliding clip with extended travel
SIMPSON INC HAROLD10 citations84
US4835917AJun 6, 1989
Membrane supported reroofing system
SIMPSON INC HAROLD14 citations74
US6588170B2Jul 8, 2003
Zone based roofing system
SIMPSON INC HAROLD9 citations72
US6823642B1Nov 30, 2004
Roof demand and zone based roofing system
SIMPSON INC HAROLD1 citations50
ENCON PRODUCTS INC
11 patentsUS4329823AMay 18, 1982
Support spacer apparatus
ENCON PRODUCTS INC72 citations96
US4528789AJul 16, 1985
Insulated roof system
ENCON PRODUCTS INC39 citations93
US4516371AMay 14, 1985
Insulation and paneling apparatus and method
ENCON PRODUCTS INC28 citations93
US4472920ASep 25, 1984
Method of insulating and sealing and building
ENCON PRODUCTS INC35 citations93
US4361993ADec 7, 1982
Frameless enclosure assembly
ENCON PRODUCTS INC41 citations93
US4524554AJun 25, 1985
Structural bracing system
ENCON PRODUCTS INC20 citations82
US4525967AJul 2, 1985
Support spacer apparatus for a built-up roof
ENCON PRODUCTS INC20 citations74
US4525976AJul 2, 1985
Method and apparatus for assembling standing seam roofs
ENCON PRODUCTS INC14 citations74
US4503653AMar 12, 1985
Structural bracing system
ENCON PRODUCTS INC6 citations74
US4534148AAug 13, 1985
Adjustable roofing support spacer apparatus and erection method
ENCON PRODUCTS INC17 citations73
US4520610AJun 4, 1985
Method for installing a roof system positionable over an existing roof structure
ENCON PRODUCTS INC10 citations73
SIMPSON HAROLD G
6 patentsUS9003733B1Apr 14, 2015
Standing seam strengthening apparatus
SIMPSON HAROLD G38 citations93
USD360743SAug 1, 1995
Flexible plastic shoehorn
SIMPSON HAROLD G7 citations73
US5238071AAug 24, 1993
Oil well fire snuffer
SIMPSON HAROLD G10 citations73
US8091312B2Jan 10, 2012
Standing seam panel clips
SIMPSON HAROLD G5 citations62
USD355522SFeb 21, 1995
Flexible plastic shoehorn
SIMPSON HAROLD G4 citations62
US7278456B1Oct 9, 2007
Tire chain and cable installation device and method
SIMPSON HAROLD G1 citations52
STAR MFG CO
5 patentsUS4112632ASep 12, 1978
Prefabricated watertight structural system
STAR MFG CO62 citations96
US4296582AOct 27, 1981
Construction system and fasteners therefore
STAR MFG CO39 citations93
US4403980ASep 13, 1983
Prefabricated watertight structural system
STAR MFG CO31 citations92
US4074492AFeb 21, 1978
Prefabricated watertight structural system
STAR MFG CO30 citations82
US4077171AMar 7, 1978
Prefabricated watertight structural system
STAR MFG CO30 citations80
WICKES CORP
3 patentsUS4366656AJan 4, 1983
Roof panel assemblies for forming weatherproof standing seam joints and the like and methods of joining standing seam roof panels
WICKES CORP84 citations96
US4351140ASep 28, 1982
End lap seam construction for standing seam roof panels
WICKES CORP60 citations96
US4375848AMar 8, 1983
Stacked panel package and methods for making same
WICKES CORP21 citations82
NUCOR CORP
2 patentsSTAR MANUFACTURING CO
1 patentShowing the top 50 of 51 patents by PatentIndex Score.