Inventor · disambiguated record
Hendrik John
Also filed as: JOHN HENDRIK
44 granted patents·23 pending applications·3,336 citations·filing 1998–2025
98Inventor score
Top patents by PatentIndex Score
67 records- 0199US7892474B2Continuous generative process for producing a three-dimensional objectENVISIONTEC GMBH·Filed 2006·Granted Feb 22, 2011·784 cites·23 claims
- 0299US7845930B2Process for the production of a three-dimensional object with an improved separation of hardened material layers from a construction planeENVISIONTEC GMBH·Filed 2005·Granted Dec 7, 2010·155 cites·16 claims
- 0399US7790093B2Process for the production of a three-dimensional object with resolution improvement by “pixel-shift”ENVISIONTEC GMBH·Filed 2005·Granted Sep 7, 2010·119 cites·24 claims
- 0498US9057247B2Measurement of downhole component stress and surface conditionsKUMAR SUNIL·Filed 2012·Granted Jun 16, 2015·168 cites·16 claims
- 0598US8815143B2Method for producing a three-dimensional object by means of mask exposureJOHN HENDRIK·Filed 2011·Granted Aug 26, 2014·55 cites·7 claims
- 0698US8394313B2Process for the production of a three-dimensional object with an improved separation of hardened material layers from a construction planeEL-SIBLANI ALI·Filed 2010·Granted Mar 12, 2013·93 cites·20 claims
- 0798US8126580B2Device and method for producing a three-dimensional object by means of mask exposureEL-SIBLANI ALI·Filed 2010·Granted Feb 28, 2012·87 cites·20 claims
- 0898US7894921B2Device and method for producing a three-dimensional object by means of mask exposureENVISIONTEC GMBH·Filed 2007·Granted Feb 22, 2011·96 cites·20 claims
- 0998US7783371B2Device and method for producing a three-dimensional object by means of mask exposureENVISIONTEC GMBH·Filed 2007·Granted Aug 24, 2010·98 cites·20 claims
- 1098US7438846B2Apparatus and method for the non-destructive separation of hardened material layers from a flat construction planeENVISIONTEC GMBH·Filed 2006·Granted Oct 21, 2008·516 cites·21 claims
- 1198US7195472B2Apparatus and method for the non-destructive separation of hardened material layers from a flat construction planeENVISIONTEC GMBH·Filed 2002·Granted Mar 27, 2007·186 cites·20 claims
- 1298US7052263B2Apparatus for manufacturing a three-dimensional objectENVISIONTEC GMBH·Filed 2002·Granted May 30, 2006·187 cites·11 claims
- 1397US8862260B2Process for the production of a three-dimensional object with resolution improvement by “pixel shift”SHKOLNIK ALEXANDR·Filed 2011·Granted Oct 14, 2014·30 cites·20 claims
- 1497US7636610B2Method and device for producing a three-dimensional object, and computer and data carrier useful thereforENVISIONTEC GMBH·Filed 2006·Granted Dec 22, 2009·110 cites·31 claims
- 1596US7962238B2Process for the production of a three-dimensional object with resolution improvement by pixel-shiftENVISIONTEC GMBH·Filed 2010·Granted Jun 14, 2011·78 cites·9 claims
- 1696US7831328B2Method and device for producing a three-dimensional object, and computer and data carrier useful thereforENVISIONTEC GMBH·Filed 2008·Granted Nov 9, 2010·81 cites·17 claims
- 1794USRE43955EProcess for the production of a three-dimensional object with resolution improvement by pixel-shiftENVISIONTEC GMBH·Filed 2011·Granted Feb 5, 2013·54 cites·24 claims
- 1893US9121237B2Methods of coating wellbore tools and components having such coatingsKUMAR SUNIL·Filed 2011·Granted Sep 1, 2015·9 cites·20 claims
- 1993US8695729B2PDC sensing element fabrication process and toolKUMAR SUNIL·Filed 2011·Granted Apr 15, 2014·19 cites·19 claims
- 2093US6942830B2Device and method for the production of three-dimensional objectsENVISIONTEC GMBH·Filed 2000·Granted Sep 13, 2005·230 cites·32 claims
- 2192US7255480B2Diamond bearing with cooling/lubrication channelsBAKER HUGHES INC·Filed 2005·Granted Aug 14, 2007·19 cites·6 claims
- 2290US10662769B2PDC sensing element fabrication process and toolBAKER HUGHES A GE CO LLC·Filed 2017·Granted May 26, 2020·5 cites·20 claims
- 2389US11571850B2Building platform for building up a workpiece in layers or continuouslyIVOCLAR VIVADENT AG·Filed 2021·Granted Feb 7, 2023·1 cites·19 claims
- 2488US11458672B2Method and device for building a shaped body by stereolithographic solidification of building material by photopolymerizationIVOCLAR VIVADENT AG·Filed 2019·Granted Oct 4, 2022·6 cites·8 claims
- 2588US8757291B2At-bit evaluation of formation parameters and drilling parametersKUMAR SUNIL·Filed 2011·Granted Jun 24, 2014·12 cites·14 claims
- 2685US9695683B2PDC sensing element fabrication process and toolBAKER HUGHES INC·Filed 2014·Granted Jul 4, 2017·7 cites·17 claims
- 2784US6710600B1Drillpipe structures to accommodate downhole testingBAKER HUGHES INC·Filed 1998·Granted Mar 23, 2004·115 cites·34 claims
- 2880US8574667B2Methods of forming coatings upon wellbore toolsJOHN HENDRIK·Filed 2011·Granted Nov 5, 2013·8 cites·19 claims
- 2977US8846208B2Porous materials, articles including such porous materials, and methods of making such porous materialsJOHN HENDRIK·Filed 2011·Granted Sep 30, 2014·2 cites·19 claims
- 3071US8535606B2Pitting corrosion resistant non-magnetic stainless steelJOHN HENDRIK·Filed 2009·Granted Sep 17, 2013·1 cites·22 claims
- 3168US2025171364A1Pre-colored slurry for ceramic multi-color inkjet 3d printingIVOCLAR VIVADENT AG·Filed 2024·Application pending·0 cites
- 3268US2025170648A1Selective coloring by means of coloring solutions in 3d printingIVOCLAR VIVADENT AG·Filed 2024·Application pending·0 cites
- 3368US2025169929A1Fixing of coloring solutions in ceramic multi-color inkjet 3d printingIVOCLAR VIVADENT AG·Filed 2024·Application pending·0 cites
- 3468US2025387208A1Method For Determining An Internal Structure Of A Dental Prosthesis Base Having At Least One Blood Vessel Simulation, Method For The Production Of A Dental Prosthesis Base, Dental Prosthesis Base, Data-Processing Device, Computer Program And Computer-Readable MediumIVOCLAR VIVADENT AG·Filed 2025·Application pending·0 cites
- 3568US2025134633A1Method For Determining An Internal Structure Of A Dental Prosthesis Base, Method For The Production Of A Dental Prosthesis Base, Dental Prosthesis Base, Data-Processing Device, Computer Program And Computer-Readable MediumIVOCLAR VIVADENT AG·Filed 2024·Application pending·0 cites
- 3668US2025170750A1Selective adjustment of hardness and translucency in ceramic multi-color inkjet 3d printingIVOCLAR VIVADENT AG·Filed 2024·Application pending·0 cites
- 3765US2024326336A1Automatic component removalIVOCLAR VIVADENT AG·Filed 2024·Application pending·0 cites
- 3863US12045984B2Comparison of color images of three-dimensional dental structuresIVOCLAR VIVADENT AG·Filed 2021·Granted Jul 23, 2024·0 cites·15 claims
- 3963US11790529B2Method for fabricating a dental restorationIVOCLAR VIVADENT AG·Filed 2021·Granted Oct 17, 2023·0 cites·15 claims
- 4063US8800688B2Downhole motors with a lubricating unit for lubricating the stator and rotorJOHN HENDRIK·Filed 2011·Granted Aug 12, 2014·1 cites·21 claims
- 4162US2024399667A1Dynamic exposure strategyIVOCLAR VIVADENT AG·Filed 2024·Application pending·0 cites
- 4260US11358327B2Method for additive manufacturing of a three-dimensional productIVOCLAR VIVADENT AG·Filed 2020·Granted Jun 14, 2022·0 cites·18 claims
- 4360US9212537B2Coatings for wellbore tools, components having such coatings, and related methodsKUMAR SUNIL·Filed 2011·Granted Dec 15, 2015·0 cites·23 claims
- 4460US2024268546A1Bristle diskIVOCLAR VIVADENT AG·Filed 2024·Application pending·0 cites
- 4559US12509400B2Method for layer-wise manufacturing of a shaped bodyIVOCLAR VIVADENT AG·Filed 2019·Granted Dec 30, 2025·0 cites·14 claims
- 4659US8919461B2Well tool having a nanoparticle reinforced metallic coatingJOHN HENDRIK·Filed 2011·Granted Dec 30, 2014·1 cites·25 claims
- 4756US7217180B2Diamond tape coating and methods of making and using sameBAKER HUGHES INC·Filed 2003·Granted May 15, 2007·2 cites·12 claims
- 4856US2024173108A1Method of producing a dental restorationIVOCLAR VIVADENT AG·Filed 2023·Application pending·0 cites
- 4955US2020198242A1Post Processing Arrangement For Shaped Bodies Manufactured Additively By PhotopolymerizationIVOCLAR VIVADENT AG·Filed 2019·Application pending·0 cites
- 5054US8431192B2Methods of forming protecting coatings on substrate surfacesWIESE GABRIELA·Filed 2011·Granted Apr 30, 2013·1 cites·17 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Hendrik John files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →