Location History:
- Plainview, TX (US) (1978)
- Houston, TX (US) (1985 - 1998)
Company Filing History:
3 out of 2,019 
2 out of 319 
1 out of 832,843 Years Active: 1978-1998
Title: Richard D. Murphy: Innovator in Piezoelectric Ink Jet Technology
Introduction
Richard D. Murphy is a notable inventor based in Houston, TX (US). He has made significant contributions to the field of ink jet printing technology, holding a total of 6 patents. His innovative work focuses on the development of piezoelectric ink jet print engines, which have transformed the printing industry.
Latest Patents
Among his latest patents is a method of manufacturing a page-wide piezoelectric ink jet print engine. This invention includes lower and upper body parts, each formed from piezoelectric material and featuring a series of generally parallel, spaced projections. The design allows for the creation of ink-carrying channels that enable precise ink ejection. By applying voltage to selective projections, the channels can be expanded to draw ink from an associated delivery system and compressed to eject droplets of ink.
Career Highlights
Throughout his career, Richard D. Murphy has worked with prominent companies such as Compaq Computer Corporation and NL Industries. His experience in these organizations has contributed to his expertise in developing advanced printing technologies.
Collaborations
Richard has collaborated with notable coworkers, including Daniel F. Coope and John E. Fontenot. Their combined efforts have furthered the advancements in piezoelectric technology.
Conclusion
Richard D. Murphy's innovative work in piezoelectric ink jet technology has made a lasting impact on the printing industry. His patents and collaborations reflect his dedication to advancing this field.