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SIMPSON INC HAROLD

Overview
  • Total Patents
    25
About

SIMPSON INC HAROLD has a total of 25 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering and mechanical elements are CONTI SYSTEMBAU GMBH, ENCON PRODUCTS INC and KINGSPAN RES AND DEVELOPMENTS LIMITED.

Patent filings in countries

World map showing SIMPSON INC HAROLDs patent filings in countries
# Country Total Patents
#1 United States 23
#2 Canada 2

Patent filings per year

Chart showing SIMPSON INC HAROLDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Simpson Harold G 24
#2 Neyer Leo E 9
#3 Salisbury Clarence S 2
#4 Salisbury C Stephen 1
#5 Simpson Harold S 1
#6 Bindra Charanjit S 1

Latest patents

Publication Filing date Title
US7984596B1 Roof assembly improvements providing increased load bearing
US7730694B1 Sliding clip with extended travel
US7574839B1 Roof assembly having increased resistance to sidelap shear
US2002035812A1 Zone based roofing system
US6301853B1 Standing seam roof assembly
US5737894A Standing seam assembly
US5857292A Roof support apparatus
US5692352A Roof panel standing seam assemblies
US5704170A Apparatus for roof support
US5697197A Roof panel system having increased resistance to wind loads
US5685118A Roof panels with stiffened endlaps
US5142838A Standing seam roof assembly and support apparatus
US5005323A Apparatus for securing a roofing support spacer to underlying support structures
US4835917A Membrane supported reroofing system
US4682454A Standing seam roof assembly components
US4620397A Roof system positionable over an existing roof structure and method for installing same
CA1238466A Standing seam roof assembly
US4597234A Standing seam roof assembly
CA1228709A Roof clip assembly for a roof system
US4700522A Standing seam sidelap system and method for assembling same