Inventor · disambiguated record
Johann F. Hellenkamp
Also filed as: HELLENKAMP JOHANN · HELLENKAMP JOHANN F
15 granted patents·2 pending applications·1,294 citations·filing 1974–2007
95Inventor score
Top patents by PatentIndex Score
17 records- 0195US7166117B2Automatic surgical device and control assembly for cutting a corneaHELLENKAMP JOHANN F·Filed 2002·Granted Jan 23, 2007·703 cites·36 claims
- 0289US4038571APiezoelectric dental cleaning deviceLITTON INDUSTRIAL PRODUCTS·Filed 1974·Granted Jul 26, 1977·49 cites·10 claims
- 0380US5624456AAutomatic surgical device for cutting a corneaFiled 1996·Granted Apr 29, 1997·169 cites·53 claims
- 0465US6387107B1Positioning assembly for retaining and positioning a corneaFiled 2000·Granted May 14, 2002·22 cites·18 claims
- 0564US5772675APositioning assembly for retaining and positioning a corneaCHIRON VISION CORP·Filed 1996·Granted Jun 30, 1998·74 cites·26 claims
- 0662US6051009AAutomatic surgical device for cutting a cornea and a cutting blade assembly and control assemblyFiled 1997·Granted Apr 18, 2000·76 cites·68 claims
- 0754US6605099B1Automatic surgical device and control assembly for cutting a corneaFiled 2000·Granted Aug 12, 2003·8 cites·9 claims
- 0853US6610076B2Positioning assembly for retaining and positioning a corneaFiled 2001·Granted Aug 26, 2003·4 cites·3 claims
- 0947US2007244496A1Automatic surgical device and control assembly for cutting a corneaHELLENKAMP JOHANN F·Filed 2007·Application pending·0 cites
- 1046US6042594APositioning assembly for retaining and positioning a corneaFiled 1998·Granted Mar 28, 2000·30 cites·32 claims
- 1143US5246259AApplicator device for positioning a contact lens on the human eyeHELLENKAMP JOHANN·Filed 1992·Granted Sep 21, 1993·54 cites·17 claims
- 1243US2002091401A1Automatic surgical device for cutting a corneaFiled 2001·Application pending·0 cites
- 1342US6132446AAutomatic surgical device and control assembly for cutting a corneaHELLENKAMP JOHANN F·Filed 1999·Granted Oct 17, 2000·35 cites·5 claims
- 1442US6007553AAutomatic surgical device control assembly for cutting a corneaFiled 1998·Granted Dec 28, 1999·34 cites·20 claims
- 1537US6527788B1Automatic surgical device for cutting a cornea and a cutting blade assembly and control assembly thereforFiled 1999·Granted Mar 4, 2003·18 cites·4 claims
- 1633US6258110B1Positioning assembly for retaining and positioning a corneaFiled 1999·Granted Jul 10, 2001·10 cites·34 claims
- 1732US6296649B1Automatic surgical device for cutting a corneaFiled 1997·Granted Oct 2, 2001·8 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →