Company Filing History:
Years Active: 2017-2018
Title: Innovations by Inventor Shane O'Brien
Introduction
Shane O'Brien is a notable inventor based in Leixlip, Ireland. He has made significant contributions to the field of fluid ejection technology, holding 2 patents that showcase his innovative approach to engineering.
Latest Patents
One of Shane's latest patents is a fluid ejection device with a printhead ink level sensor. This device includes a printhead die with multiple layers, featuring a single metal layer and an integrated ink level sensor. The ink level sensor is designed with an ink chamber above the metal layer, a metal plate of a sense capacitor within the metal layer, and a clearing resistor circuit that includes four clearing resistors arranged in a surround-4 configuration. This configuration allows for effective monitoring of ink levels while maintaining the integrity of the device.
Another significant patent is a fluid ejection apparatus that includes a parasitic resistor. This apparatus features a first firing resistor and a second firing resistor that work together to selectively eject fluid through a single nozzle. The addition of a parasitic resistor enhances the functionality of the first firing resistor, demonstrating Shane's innovative thinking in fluid dynamics.
Career Highlights
Shane O'Brien is currently employed at Hewlett-Packard Development Company, L.P., where he continues to develop cutting-edge technologies in fluid ejection systems. His work at HP has allowed him to push the boundaries of what is possible in this field.
Collaborations
Shane has collaborated with talented coworkers, including Boon Bing Ng and Hang Ru Goy, who contribute to the innovative environment at Hewlett-Packard. Their combined expertise fosters a culture of creativity and advancement in technology.
Conclusion
Shane O'Brien's contributions to fluid ejection technology through his patents and work at Hewlett-Packard highlight his role as a leading inventor in the field. His innovative designs and collaborative efforts continue to shape the future of fluid dynamics.