Tesfalem Zewdneh

Title: The Innovations of Tesfalem Zewdneh

Introduction

Tesfalem Zewdneh is an accomplished inventor based in Clackamas, Oregon. He is known for his contributions to the field of inkjet printing technology. With a focus on enhancing the performance of phase change inkjet printers, Zewdneh has made significant strides in ensuring the reliability and efficiency of these devices.

Latest Patents

One of Zewdneh's notable patents is for a "Phase change ink reservoir for a phase change inkjet printer." This innovative design includes a heated phase change ink reservoir that is configured to reduce or prevent improper jetting of ink from the printhead. The reservoir features a vent to the atmosphere, which provides substantially consistent and accurate jetting of the heated ink. Additionally, a selective barrier, such as a filter, is disposed adjacent to the vent, which substantially prevents ink from entering the vent while still enabling the vent to direct pressure into the reservoir during printing and purging.

Career Highlights

Zewdneh is currently employed at Xerox Corporation, a leading company in the field of printing technology. His work at Xerox has allowed him to collaborate with other talented professionals in the industry.

Collaborations

Some of his notable coworkers include David Paul Platt and David Lyell Knierim. Their collective expertise contributes to the innovative environment at Xerox Corporation.

Conclusion

Tesfalem Zewdneh's contributions to the field of inkjet printing technology exemplify the importance of innovation in enhancing product performance. His patent for a phase change ink reservoir showcases his commitment to improving the reliability of printing systems.