Location History:
- Georgetown, KY (US) (1992)
- Winchester, KY (US) (1995 - 2013)
Company Filing History:
Years Active: 1992-2013
Title: **Johnnie A. Coffey: Innovator in Printhead Technology**
Introduction
Johnnie A. Coffey, a prominent inventor based in Winchester, KY, has made significant contributions to the field of print technology with an impressive portfolio of 26 patents. His innovative spirit and expertise in fluid mechanics have led to the development of advanced systems that enhance the efficiency and functionality of printheads.
Latest Patents
Among his latest patents is the invention of a fluid height backpressure device in a system for supplying fluid to a printhead. This innovative system includes a printhead, a fluid supply tank, a backpressure device, and an air removal device. The backpressure device, which is crucial for providing system backpressure, comprises at least one upright tower featuring multiple walls that define chambers for connecting with both the ink supply tank and the printhead's fluid supply reservoir. The air removal device is designed to maintain back pressure in the system, even when the fluid supply tank is depleted. Additionally, it ensures that ink is supplied to the printhead's reservoir without introducing air bubbles. Furthermore, ink sensors are incorporated to detect low ink conditions, thereby assisting in the operation of the backpressure device.
Another notable patent involves a color ink tank with micro fluid applications, underscoring his commitment to innovation within his industry.
Career Highlights
Johnnie A. Coffey's career is marked by his tenure at Lexmark International, Inc., a company renowned for its cutting-edge printing solutions. His work has consistently pushed the boundaries of what is possible in print technology, earning him recognition and respect among his peers and within the industry.
Collaborations
Throughout his career, Johnnie has collaborated with talented individuals such as Gina Marie Johns and Paul Douglas Horrall. Together, they have worked on various projects that further enhance Lexmark's technological advancements in printing systems.
Conclusion
Johnnie A. Coffey's innovative contributions to the field of print technology exemplify the impact of dedicated research and development. With his 26 patents and ongoing work at Lexmark International, he continues to shape the future of printing technology. His inventions not only improve product performance but also pave the way for future innovations in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.