Inventor
LADOUCEUR HAROLD A
US52 patents
⚠️ This page may combine multiple inventors who share the name “LADOUCEUR HAROLD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MULTIFASTENER CORP
30 patentsUS5644830AJul 8, 1997
Method of forming electrical connection
MULTIFASTENER CORP128 citations99
US5207588AMay 4, 1993
Electrical grounding stud
MULTIFASTENER CORP119 citations98
US5020950AJun 4, 1991
Riveting fastener with improved torque resistance
MULTIFASTENER CORP131 citations98
US5868535AFeb 9, 1999
Self-riveting fastening element
MULTIFASTENER CORP54 citations96
US5564873AOct 15, 1996
Self-attaching fastening element and method of attachment
MULTIFASTENER CORP85 citations96
US5502884AApr 2, 1996
Method of installing fasteners into a panel using a self-adjusting fastener installation head
MULTIFASTENER CORP42 citations96
US5441417AAug 15, 1995
Electrical grounding stud
MULTIFASTENER CORP74 citations96
US5140735AAug 25, 1992
Die member for attaching a self-piercing and riveting fastener
MULTIFASTENER CORP64 citations96
US3961408AJun 8, 1976
Fastener installation head
MULTIFASTENER CORP58 citations96
US5533250AJul 9, 1996
Self-adjusting head for impacting fasteners into a panel
MULTIFASTENER CORP33 citations93
US5487215AJan 30, 1996
Self-adjusting head
MULTIFASTENER CORP34 citations93
US5056207AOct 15, 1991
Method of attaching a self-piercing and riveting fastener and improved die member
MULTIFASTENER CORP42 citations93
US4825527AMay 2, 1989
Method of attaching an element to a panel
MULTIFASTENER CORP39 citations93
US5722139AMar 3, 1998
Installation apparatus for attaching a fastener to a panel
MULTIFASTENER CORP48 citations92
US5237733AAug 24, 1993
Female die assembly for attaching a self-attaching fastening element and method of attachment
MULTIFASTENER CORP33 citations92
US3971116AJul 27, 1976
Fastener installation head
MULTIFASTENER CORP43 citations92
US5560094AOct 1, 1996
Method of attaching a fastener to a panel
MULTIFASTENER CORP19 citations84
US3969808AJul 20, 1976
Fastener installation head
MULTIFASTENER CORP28 citations82
US3942235AMar 9, 1976
Fastener installation head
MULTIFASTENER CORP25 citations82
US5239740AAug 31, 1993
Method of installing sealing fastener
MULTIFASTENER CORP15 citations74
US5208963AMay 11, 1993
Die for installing sealing fastener
MULTIFASTENER CORP10 citations74
US3987830AOct 26, 1976
Panel assembly
MULTIFASTENER CORP10 citations74
US3946478AMar 30, 1976
Fastener installation head
MULTIFASTENER CORP15 citations74
US3946479AMar 30, 1976
Fastener installation head
MULTIFASTENER CORP14 citations74
US4679690AJul 14, 1987
Fastener orienting, tapping and collection system
MULTIFASTENER CORP9 citations71
US4532664AAug 6, 1985
Fastener orienting, tapping and collection system
MULTIFASTENER CORP7 citations71
US4476599AOct 16, 1984
Fastener orienting, tapping and collection system
MULTIFASTENER CORP8 citations71
US3969809AJul 20, 1976
Self-fastening nut, panel assembly and apparatus
MULTIFASTENER CORP14 citations67
US4313261AFeb 2, 1982
Nut installation apparatus
MULTIFASTENER CORP5 citations63
US3961412AJun 8, 1976
Method of installing a fastener
MULTIFASTENER CORP4 citations63
WHITESELL INT CORP
11 patentsUS7179034B2Feb 20, 2007
Torque resistant fastening element
WHITESELL INT CORP130 citations98
US7425111B2Sep 16, 2008
Torque resistant fastening element
WHITESELL INT CORP25 citations93
US7338245B2Mar 4, 2008
Self-attaching nut
WHITESELL INT CORP20 citations93
US7287944B2Oct 30, 2007
Self-riveting male fastener and panel assembly
WHITESELL INT CORP23 citations93
US7047617B2May 23, 2006
Method of attaching a self-piercing element in a panel and die member
WHITESELL INT CORP22 citations93
US6997659B2Feb 14, 2006
Self-attaching fastener
WHITESELL INT CORP26 citations92
US7367893B2May 6, 2008
Fastener manufacturing apparatus and method
WHITESELL INT CORP11 citations82
US7704151B2Apr 27, 2010
Self-attaching female fasteners, method of forming same and strip of interconnected fasteners
WHITESELL INT CORP5 citations63
US7152294B2Dec 26, 2006
Self-attaching female fastener element and method of installation
WHITESELL INT CORP5 citations63
US7152297B2Dec 26, 2006
Self-attaching female fastener, die set and method of attachment
WHITESELL INT CORP3 citations63
US7744475B2Jun 29, 2010
Fastener manufacturing apparatus and method
WHITESELL INT CORP3 citations61
FABRISTEEL PROD INC
7 patentsUS6122816ASep 26, 2000
Method of attaching a fastening element to a panel
FABRISTEEL PROD INC36 citations93
US6925698B2Aug 9, 2005
Method of feeding and installing self-attaching nuts
FABRISTEEL PROD INC41 citations92
US6631827B2Oct 14, 2003
Fastener feed and installation head
FABRISTEEL PROD INC37 citations92
USRE38061EApr 8, 2003
Method of attaching a fastening element to a panel
FABRISTEEL PROD INC8 citations74
US6226854B1May 8, 2001
Fastener die member
FABRISTEEL PROD INC11 citations73
US6893198B2May 17, 2005
Self-attaching female fastener element and method of attachment
FABRISTEEL PROD INC7 citations66
US6954976B2Oct 18, 2005
Method of installing a fastener
FABRISTEEL PROD INC4 citations62
LADOUCEUR HAROLD A
1 patentALPHA IND INC
1 patentShowing the top 50 of 52 patents by PatentIndex Score.