| 11207813 |
Single extruder configuration that enables multi-color extrusions in three-dimensional object printers |
David A. Mantell |
2021-12-28 |
| 11104118 |
System for operating extruder heads in three-dimensional object printers |
David A. Mantell, Christopher G. Lynn |
2021-08-31 |
| 11040487 |
Method for operating an extruder in a three-dimensional (3D) object printer to improve layer formation |
David A. Mantell, Christopher G. Lynn, Jason O'Neil |
2021-06-22 |
| 11034074 |
Multi-nozzle extruder for use in three-dimensional object printers |
Barry P. Mandel, David A. Mantell |
2021-06-15 |
| 11000997 |
System and method for preserving valve member travel in a multi-nozzle extruder |
Christopher G. Lynn, David A. Mantell |
2021-05-11 |
| 10906224 |
Method for operating a constant pressure filament driver to an extruder head in a three-dimensional object printer |
Barry P. Mandel, Christopher G. Lynn, Robert A. Clark, David A. Mantell |
2021-02-02 |
| 10894358 |
Optimized nozzle arrangement for an extruder head used in an additive manufacturing system |
David A. Mantell, Stuart A. Schweid, Christopher G. Lynn |
2021-01-19 |