Inventor · disambiguated record
Harold A. Ladouceur
Also filed as: LADOUCEUR HAROLD A
52 granted patents·6 pending applications·1,700 citations·filing 1973–2008
99Inventor score
Files withMULTIFASTENER CORP31WHITESELL INT CORP12FABRISTEEL PROD INC7LADOUCEUR HAROLD A3ALPHA IND INC1
Top patents by PatentIndex Score
58 records- 0198US7179034B2Torque resistant fastening elementWHITESELL INT CORP·Filed 2002·Granted Feb 20, 2007·130 cites·32 claims
- 0298US5020950ARiveting fastener with improved torque resistanceMULTIFASTENER CORP·Filed 1990·Granted Jun 4, 1991·131 cites·17 claims
- 0397US5644830AMethod of forming electrical connectionMULTIFASTENER CORP·Filed 1995·Granted Jul 8, 1997·128 cites·13 claims
- 0496US5207588AElectrical grounding studMULTIFASTENER CORP·Filed 1991·Granted May 4, 1993·119 cites·28 claims
- 0593US5564873ASelf-attaching fastening element and method of attachmentMULTIFASTENER CORP·Filed 1995·Granted Oct 15, 1996·85 cites·13 claims
- 0693US3961408AFastener installation headMULTIFASTENER CORP·Filed 1975·Granted Jun 8, 1976·58 cites·10 claims
- 0792US7287944B2Self-riveting male fastener and panel assemblyWHITESELL INT CORP·Filed 2006·Granted Oct 30, 2007·23 cites·9 claims
- 0890US6925698B2Method of feeding and installing self-attaching nutsFABRISTEEL PROD INC·Filed 2003·Granted Aug 9, 2005·41 cites·11 claims
- 0990US5441417AElectrical grounding studMULTIFASTENER CORP·Filed 1992·Granted Aug 15, 1995·74 cites·17 claims
- 1089US6631827B2Fastener feed and installation headFABRISTEEL PROD INC·Filed 2002·Granted Oct 14, 2003·37 cites·39 claims
- 1189US5868535ASelf-riveting fastening elementMULTIFASTENER CORP·Filed 1997·Granted Feb 9, 1999·54 cites·19 claims
- 1289US5140735ADie member for attaching a self-piercing and riveting fastenerMULTIFASTENER CORP·Filed 1991·Granted Aug 25, 1992·64 cites·14 claims
- 1388US7425111B2Torque resistant fastening elementWHITESELL INT CORP·Filed 2004·Granted Sep 16, 2008·25 cites·25 claims
- 1488US7338245B2Self-attaching nutWHITESELL INT CORP·Filed 2005·Granted Mar 4, 2008·20 cites·20 claims
- 1588US3971116AFastener installation headMULTIFASTENER CORP·Filed 1975·Granted Jul 27, 1976·43 cites·4 claims
- 1686US5056207AMethod of attaching a self-piercing and riveting fastener and improved die memberMULTIFASTENER CORP·Filed 1990·Granted Oct 15, 1991·42 cites·17 claims
- 1785US5502884AMethod of installing fasteners into a panel using a self-adjusting fastener installation headMULTIFASTENER CORP·Filed 1995·Granted Apr 2, 1996·42 cites·3 claims
- 1884US7367893B2Fastener manufacturing apparatus and methodWHITESELL INT CORP·Filed 2005·Granted May 6, 2008·11 cites·14 claims
- 1984US4971499ANut and panel assemblyLADOUCEUR HAROLD A·Filed 1984·Granted Nov 20, 1990·57 cites·3 claims
- 2084US3969808AFastener installation headMULTIFASTENER CORP·Filed 1975·Granted Jul 20, 1976·28 cites·15 claims
- 2183US5487215ASelf-adjusting headMULTIFASTENER CORP·Filed 1994·Granted Jan 30, 1996·34 cites·26 claims
- 2282US7047617B2Method of attaching a self-piercing element in a panel and die memberWHITESELL INT CORP·Filed 2003·Granted May 23, 2006·22 cites·16 claims
- 2382US6997659B2Self-attaching fastenerWHITESELL INT CORP·Filed 2004·Granted Feb 14, 2006·26 cites·13 claims
- 2482US6122816AMethod of attaching a fastening element to a panelFABRISTEEL PROD INC·Filed 1999·Granted Sep 26, 2000·36 cites·7 claims
- 2582US4825527AMethod of attaching an element to a panelMULTIFASTENER CORP·Filed 1988·Granted May 2, 1989·39 cites·8 claims
- 2681US5533250ASelf-adjusting head for impacting fasteners into a panelMULTIFASTENER CORP·Filed 1995·Granted Jul 9, 1996·33 cites·14 claims
- 2779US5722139AInstallation apparatus for attaching a fastener to a panelMULTIFASTENER CORP·Filed 1995·Granted Mar 3, 1998·48 cites·17 claims
- 2875US3942235AFastener installation headMULTIFASTENER CORP·Filed 1975·Granted Mar 9, 1976·25 cites·7 claims
- 2973US7704151B2Self-attaching female fasteners, method of forming same and strip of interconnected fastenersWHITESELL INT CORP·Filed 2006·Granted Apr 27, 2010·5 cites·20 claims
- 3068US7744475B2Fastener manufacturing apparatus and methodWHITESELL INT CORP·Filed 2008·Granted Jun 29, 2010·3 cites·19 claims
- 3168US5237733AFemale die assembly for attaching a self-attaching fastening element and method of attachmentMULTIFASTENER CORP·Filed 1992·Granted Aug 24, 1993·33 cites·9 claims
- 3267US5560094AMethod of attaching a fastener to a panelMULTIFASTENER CORP·Filed 1994·Granted Oct 1, 1996·19 cites·17 claims
- 3365USRE38061EMethod of attaching a fastening element to a panelFABRISTEEL PROD INC·Filed 2002·Granted Apr 8, 2003·8 cites·7 claims
- 3462US3946478AFastener installation headMULTIFASTENER CORP·Filed 1975·Granted Mar 30, 1976·15 cites·5 claims
- 3560US3946479AFastener installation headMULTIFASTENER CORP·Filed 1975·Granted Mar 30, 1976·14 cites·8 claims
- 3657US4462529ALinear accelerator system for axially advancing an elongate workpieceALPHA IND INC·Filed 1981·Granted Jul 31, 1984·12 cites·10 claims
- 3754US7152294B2Self-attaching female fastener element and method of installationWHITESELL INT CORP·Filed 2003·Granted Dec 26, 2006·5 cites·8 claims
- 3853US3969809ASelf-fastening nut, panel assembly and apparatusMULTIFASTENER CORP·Filed 1975·Granted Jul 20, 1976·14 cites·2 claims
- 3952US6954976B2Method of installing a fastenerFABRISTEEL PROD INC·Filed 2003·Granted Oct 18, 2005·4 cites·7 claims
- 4051US6893198B2Self-attaching female fastener element and method of attachmentFABRISTEEL PROD INC·Filed 2003·Granted May 17, 2005·7 cites·24 claims
- 4151US6226854B1Fastener die memberFABRISTEEL PROD INC·Filed 1999·Granted May 8, 2001·11 cites·7 claims
- 4251US3987830APanel assemblyMULTIFASTENER CORP·Filed 1973·Granted Oct 26, 1976·10 cites·1 claims
- 4350US7152297B2Self-attaching female fastener, die set and method of attachmentWHITESELL INT CORP·Filed 2004·Granted Dec 26, 2006·3 cites·6 claims
- 4450US2005210651A1Method of attaching a self-attaching fastener to a panelVRANA JOHN J·Filed 2005·Application pending·0 cites
- 4547US2006222473A1Self-attaching nut and sealed nut and panel assemblyLADOUCEUR HAROLD A·Filed 2005·Application pending·0 cites
- 4646US7651401B2Self-attaching female fastener elements and method of forming sameWHITESELL INT CORP·Filed 2003·Granted Jan 26, 2010·0 cites·13 claims
- 4746US5239740AMethod of installing sealing fastenerMULTIFASTENER CORP·Filed 1992·Granted Aug 31, 1993·15 cites·4 claims
- 4845US4679690AFastener orienting, tapping and collection systemMULTIFASTENER CORP·Filed 1984·Granted Jul 14, 1987·9 cites·4 claims
- 4942US4476599AFastener orienting, tapping and collection systemMULTIFASTENER CORP·Filed 1982·Granted Oct 16, 1984·8 cites·6 claims
- 5042US2003101566A1Self-piercing element, method of attachment and die memberFiled 2001·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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