Assignee
SIMPSON INC HAROLD
US·23 granted patents·993 citations·filing 1982–2009
Top patents by PatentIndex Score
23 records- 0199US7874117B1Standing seam roof assemblySIMPSON INC HAROLD·Filed 2009·Granted Jan 25, 2011·51 cites·13 claims
- 0298US7574839B1Roof assembly having increased resistance to sidelap shearSIMPSON INC HAROLD·Filed 2005·Granted Aug 18, 2009·60 cites·21 claims
- 0395US7984596B1Roof assembly improvements providing increased load bearingSIMPSON INC HAROLD·Filed 2007·Granted Jul 26, 2011·35 cites·3 claims
- 0494US5697197ARoof panel system having increased resistance to wind loadsSIMPSON INC HAROLD·Filed 1995·Granted Dec 16, 1997·108 cites·18 claims
- 0589US6889478B1Standing seam roof assembly having increased sidelap shear capacitySIMPSON INC HAROLD·Filed 2001·Granted May 10, 2005·45 cites·21 claims
- 0689US4682454AStanding seam roof assembly componentsSIMPSON INC HAROLD·Filed 1986·Granted Jul 28, 1987·75 cites·9 claims
- 0788US5142838AStanding seam roof assembly and support apparatusSIMPSON INC HAROLD·Filed 1989·Granted Sep 1, 1992·53 cites·15 claims
- 0886US4602468ARoof clip assembly for a roof systemSIMPSON INC HAROLD·Filed 1982·Granted Jul 29, 1986·57 cites·39 claims
- 0984US5857292ARoof support apparatusSIMPSON INC HAROLD·Filed 1995·Granted Jan 12, 1999·65 cites·20 claims
- 1084US5692352ARoof panel standing seam assembliesSIMPSON INC HAROLD·Filed 1995·Granted Dec 2, 1997·74 cites·15 claims
- 1178US7730694B1Sliding clip with extended travelSIMPSON INC HAROLD·Filed 2005·Granted Jun 8, 2010·10 cites·25 claims
- 1276US4620397ARoof system positionable over an existing roof structure and method for installing sameSIMPSON INC HAROLD·Filed 1985·Granted Nov 4, 1986·46 cites·18 claims
- 1374US5737894AStanding seam assemblySIMPSON INC HAROLD·Filed 1995·Granted Apr 14, 1998·51 cites·12 claims
- 1473US6301853B1Standing seam roof assemblySIMPSON INC HAROLD·Filed 1998·Granted Oct 16, 2001·45 cites·19 claims
- 1573US4597234AStanding seam roof assemblySIMPSON INC HAROLD·Filed 1984·Granted Jul 1, 1986·39 cites·24 claims
- 1667US5704170AApparatus for roof supportSIMPSON INC HAROLD·Filed 1995·Granted Jan 6, 1998·40 cites·22 claims
- 1766US5005323AApparatus for securing a roofing support spacer to underlying support structuresSIMPSON INC HAROLD·Filed 1989·Granted Apr 9, 1991·33 cites·2 claims
- 1864US5303528AStanding seam roof assembly and support apparatusSIMPSON INC HAROLD·Filed 1992·Granted Apr 19, 1994·25 cites·41 claims
- 1960US6588170B2Zone based roofing systemSIMPSON INC HAROLD·Filed 2001·Granted Jul 8, 2003·9 cites·24 claims
- 2060US5685118ARoof panels with stiffened endlapsSIMPSON INC HAROLD·Filed 1995·Granted Nov 11, 1997·36 cites·16 claims
- 2151US6823642B1Roof demand and zone based roofing systemSIMPSON INC HAROLD·Filed 2003·Granted Nov 30, 2004·1 cites·20 claims
- 2244US4835917AMembrane supported reroofing systemSIMPSON INC HAROLD·Filed 1986·Granted Jun 6, 1989·14 cites·18 claims
- 2338US4700522AStanding seam sidelap system and method for assembling sameSIMPSON INC HAROLD·Filed 1983·Granted Oct 20, 1987·21 cites·15 claims
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