Assignee
SYMONS CORP
US44 patents
Top patents by PatentIndex Score
US5261635ANov 16, 1993
Slab joint system and apparatus for joining concrete slabs in side-by-side relation
SYMONS CORP68 citations95
US4106256AAug 15, 1978
Adjustable shoring apparatus
SYMONS CORP64 citations94
US5044601ASep 3, 1991
Outside bay adapter for a concrete forming system
SYMONS CORP41 citations93
US4465257AAug 14, 1984
Concrete forming structure having a double hinge filler
SYMONS CORP28 citations91
US4055321AOct 25, 1977
Inside concrete corewall form with particular three-way hinge assemblies therefor
SYMONS CORP54 citations91
US4030694AJun 21, 1977
Composite concrete wall form unit with a special transition bolt
SYMONS CORP45 citations91
US4023374AMay 17, 1977
Repair sleeve for a marine pile and method of applying the same
SYMONS CORP134 citations91
US5316253AMay 31, 1994
Scaffold bracket
SYMONS CORP25 citations90
US4102096AJul 25, 1978
Leg brace assembly for adjustable shoring apparatus
SYMONS CORP31 citations90
US4102108AJul 25, 1978
Fastening means for a load-bearing structure
SYMONS CORP42 citations90
US4070845AJan 31, 1978
Multi-purpose concrete formwork structural member with novel facilities for extending the effective length thereof
SYMONS CORP39 citations90
US4034957AJul 12, 1977
Concrete formwork including I-beam support
SYMONS CORP39 citations90
US4553729ANov 19, 1985
Multi-panelled concrete forming structure for forming flat curved walls
SYMONS CORP31 citations89
US5083739AJan 28, 1992
Concrete form support bracket for bridge overhang decks
SYMONS CORP27 citations88
US4930937AJun 5, 1990
Box culvert traveler for use with concrete forming systems
SYMONS CORP34 citations88
US6676102B1Jan 13, 2004
Adjustable modular form system and method for rectilinear concrete column form
SYMONS CORP25 citations87
US6605240B2Aug 12, 2003
Over the top hinged concrete form and method of using the same
SYMONS CORP22 citations87
USD317250SJun 4, 1991
Bracket for concrete forms
SYMONS CORP25 citations87
US3965542AJun 29, 1976
Latch-equipped, she-bolt gripper device for a concrete wall from tie rod
SYMONS CORP47 citations86
US4036466AJul 19, 1977
Flying deck-type concrete form installation
SYMONS CORP66 citations85
US5616271AApr 1, 1997
Concrete forming chamfer strip
SYMONS CORP50 citations82
US4915345AApr 10, 1990
Concrete forming system for curved walls
SYMONS CORP52 citations82
US6715729B2Apr 6, 2004
Overhanging form system and method of using the same
SYMONS CORP14 citations79
US3965543AJun 29, 1976
She-bolt type gripper device for concrete wall form tie rods of indeterminate length
SYMONS CORP28 citations78
US3981476ASep 21, 1976
Spreader clip assembly for a concrete wall form
SYMONS CORP30 citations75
US6361014B1Mar 26, 2002
Concrete form waler bracket
SYMONS CORP7 citations74
US5562845AOct 8, 1996
Concrete form and self-contained waler clamp assembly
SYMONS CORP16 citations74
US5039059AAug 13, 1991
Waler bracket for concrete forming structure
SYMONS CORP10 citations74
US4463925AAug 7, 1984
Concrete form structure including one-way escape hinge
SYMONS CORP10 citations72
US4433826AFeb 28, 1984
Adjustable long bolt
SYMONS CORP13 citations72
US4418884ADec 6, 1983
Double-hinge corner for a concrete forming structure
SYMONS CORP17 citations72
US4235560ANov 25, 1980
Transition bolt for clamping together the side rails of concrete wall form panels or the like
SYMONS CORP19 citations72
US4210306AJul 1, 1980
Safety key and locking means therefor for use with concrete wall form panels
SYMONS CORP18 citations72
US4030266AJun 21, 1977
Invertable, multi-purpose structural clamp
SYMONS CORP16 citations71
US4043087AAug 23, 1977
Method and means for supporting an elevated concrete wall panel form
SYMONS CORP11 citations70
USD323716SFeb 4, 1992
Bridge overhang support bracket
SYMONS CORP10 citations68
US4228986AOct 21, 1980
Attachment for anchoring a safety belt
SYMONS CORP7 citations65
US5656193AAug 12, 1997
Pilaster form
SYMONS CORP4 citations63
US5816562AOct 6, 1998
Sand jack apparatus
SYMONS CORP7 citations61
US3972501AAug 3, 1976
Spreader bar assembly for a concrete wall form
SYMONS CORP19 citations60
US5707539AJan 13, 1998
Concrete form with safety bar
SYMONS CORP5 citations57
US6755387B2Jun 29, 2004
Transition strip for disparate concrete forms
SYMONS CORP2 citations51
US6182346B1Feb 6, 2001
Method of retrofitting a concrete form
SYMONS CORP0 citations46
US6951329B2Oct 4, 2005
Concrete wall form with flexible tie system
SYMONS CORP2 citations44