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SYMONS MFG CO

Overview
  • Total Patents
    111
About

SYMONS MFG CO has a total of 111 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, machines and measurement are HUENNEBECK GMBH, CHONGQING RUIXINKE HARDWARE PRODUCTS CO LTD and Hünnebeck GmbH.

Patent filings in countries

World map showing SYMONS MFG COs patent filings in countries
# Country Total Patents
#1 United States 43
#2 Canada 34
#3 United Kingdom 13
#4 Germany 9
#5 France 6
#6 Switzerland 4
#7 Denmark 2

Patent filings per year

Chart showing SYMONS MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bowden George F 44
#2 Williams Walter D 10
#3 Bowden George Francis 10
#4 Gilbert John R 8
#5 Dagiel Richard T 7
#6 Ruth Byron E 7
#7 Bonin Lawrence G 6
#8 Capek Richard C 6
#9 Schimmel Vernon R 5
#10 Francis Bowden George 4

Latest patents

Publication Filing date Title
US3664630A Concrete wall form liner
GB1208228A Concrete wall form with load gathering and distributing members therefor
GB1253584A Concrete wall form installation and tie rod load indicator therefor
US3625470A Tie rod securing means for a concrete wall form
GB1253447A Adjustable edge connection for concrete wall form panels
US3588027A Flexible concrete column form panel
US3513803A Tie rod load indicator
GB1223021A Multi-unit tie rod for a concrete wall form
US3477684A Concrete form panel with snap-in facing
GB1145940A Tie rod for use in concrete wall construction
US3486729A Pretensioned knockdown concrete wall form panel
GB1183500A Adjustable Concrete Column Form and Panel therefor
US3469817A Hole-pattern member for use in connection with a concrete floor slab form
US3420491A Tie rod assembly adapted for use in a concrete wall form and including novel elastomeric spacer members
US3445084A Stringer-supporting bracket for a concrete floor slab form structure
US3430910A Stringer-releasing shore assembly for a concrete slab form installation
US3446470A Concrete wall form panel with partial studding
US3399859A Rivetless concrete wall form panel with plywood facing and metal studding
FR1502020A Reusable prefabricated panel for concrete wall pouring formwork
US3362678A Tie rod with small increment variable effective length