Patent assignee · DE · COMPANY

Envisiontec GmbH

23Patents
20Active
23Granted
51Portfolio score

Filing activity: Dec 1, 2000 → May 14, 2015 · 14 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7892474B2 Continuous generative process for producing a three-dimensional object Performing Operations; Transporting 453 Active
US7438846B2 Apparatus and method for the non-destructive separation of hardened material layers from a flat construction plane Emerging Cross-Sectional Technologies 290 Active
US8110135B2 Process and freeform fabrication system for producing a three-dimensional object Emerging Cross-Sectional Technologies 259 Active
US6942830B2 Device and method for the production of three-dimensional objects Performing Operations; Transporting 185 Expired
US7195472B2 Apparatus and method for the non-destructive separation of hardened material layers from a flat construction plane Emerging Cross-Sectional Technologies 148 Expired
US7845930B2 Process for the production of a three-dimensional object with an improved separation of hardened material layers from a construction plane Performing Operations; Transporting 141 Active
US7052263B2 Apparatus for manufacturing a three-dimensional object Performing Operations; Transporting 138 Expired
US7790093B2 Process for the production of a three-dimensional object with resolution improvement by “pixel-shift” Performing Operations; Transporting 103 Active
US7636610B2 Method and device for producing a three-dimensional object, and computer and data carrier useful therefor Performing Operations; Transporting 100 Active
US8003040B2 Process and freeform fabrication system for producing a three-dimensional object Emerging Cross-Sectional Technologies 92 Active
US7783371B2 Device and method for producing a three-dimensional object by means of mask exposure Physics 88 Active
US8394313B2 Process for the production of a three-dimensional object with an improved separation of hardened material layers from a construction plane Performing Operations; Transporting 85 Active
US7894921B2 Device and method for producing a three-dimensional object by means of mask exposure Performing Operations; Transporting 85 Active
US8126580B2 Device and method for producing a three-dimensional object by means of mask exposure Physics 80 Active
US7831328B2 Method and device for producing a three-dimensional object, and computer and data carrier useful therefor Performing Operations; Transporting 74 Active
US7962238B2 Process for the production of a three-dimensional object with resolution improvement by pixel-shift Performing Operations; Transporting 71 Active
US8658076B2 Process and freeform fabrication system for producing a three-dimensional object Emerging Cross-Sectional Technologies 65 Active
US8845316B2 Process and device for producing a three-dimensional object Performing Operations; Transporting 52 Active
USRE43955E1 Process for the production of a three-dimensional object with resolution improvement by pixel-shift General 48 Active
US8815143B2 Method for producing a three-dimensional object by means of mask exposure Performing Operations; Transporting 46 Active
US9067361B2 Process and device for producing a three-dimensional object Performing Operations; Transporting 27 Active
US8862260B2 Process for the production of a three-dimensional object with resolution improvement by “pixel shift” Performing Operations; Transporting 25 Active
US10220565B2 Process and device for producing a three-dimensional object Performing Operations; Transporting 4 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.