HJ

Hendrik John

BH Baker Hughes Holdings: 17 patents #154 of 3,522Top 5%
EG Envisiontec Gmbh: 17 patents #1 of 8Top 15%
IA Ivoclar Vivadent Ag: 5 patents #66 of 359Top 20%
BC Baker Hughes, A Ge Company: 2 patents #432 of 1,459Top 30%
WA Wieland-Werke Ag: 1 patents #64 of 147Top 45%
📍 Salzgitter, DE: #1 of 112 inventorsTop 1%
Overall (All Time): #70,103 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
RE43955 Process for the production of a three-dimensional object with resolution improvement by pixel-shift Alexandr Shkolnik, Ali El-Sibiani 2013-02-05
8126580 Device and method for producing a three-dimensional object by means of mask exposure Ali El-Siblani, Volker Schillen 2012-02-28
7962238 Process for the production of a three-dimensional object with resolution improvement by pixel-shift Alexandr Shkolnik, Ali El-Siblani 2011-06-14
7892474 Continuous generative process for producing a three-dimensional object Alexandr Shkolnik, Ali El-Siblani 2011-02-22
7894921 Device and method for producing a three-dimensional object by means of mask exposure Volker Schillen, Ali El-Siblani 2011-02-22
7845930 Process for the production of a three-dimensional object with an improved separation of hardened material layers from a construction plane Alexandr Shkolnik, Ali El-Siblani 2010-12-07
7831328 Method and device for producing a three-dimensional object, and computer and data carrier useful therefor Volker Schillen, Ali Siblani 2010-11-09
7790093 Process for the production of a three-dimensional object with resolution improvement by “pixel-shift” Alexandr Shkolnik, Ali El-Siblani 2010-09-07
7783371 Device and method for producing a three-dimensional object by means of mask exposure Volker Schillen, Ali El-Siblani 2010-08-24
7636610 Method and device for producing a three-dimensional object, and computer and data carrier useful therefor Volker Schillen, Ali Siblani 2009-12-22
7438846 Apparatus and method for the non-destructive separation of hardened material layers from a flat construction plane 2008-10-21
7255480 Diamond bearing with cooling/lubrication channels Andreas Krafczyk 2007-08-14
7217180 Diamond tape coating and methods of making and using same 2007-05-15
7195472 Apparatus and method for the non-destructive separation of hardened material layers from a flat construction plane 2007-03-27
7052263 Apparatus for manufacturing a three-dimensional object 2006-05-30
6942830 Device and method for the production of three-dimensional objects Rolf Mulhaupt, Rüdiger Landers 2005-09-13
6866818 Method of using a spray formed copper-nickel-manganese alloy Andreas Boegel, Klaus Ohla, Hilmar R. Mueller, Frank M. Keppeler 2005-03-15
6710600 Drillpipe structures to accommodate downhole testing Denis S. Kopecki, MacMillian M. Wisler 2004-03-23