Ian Gerard Harpur

Title: Innovations of Ian Gerard Harpur

Introduction

Ian Gerard Harpur is a notable inventor based in Welwyn Garden City, GB. He has made significant contributions to the field of printing technology, particularly through his innovative patents. With a total of 2 patents, Harpur's work focuses on improving the efficiency and effectiveness of toner usage in printing devices.

Latest Patents

Harpur's latest patents include a method and apparatus for reducing residual toner in a rotating container. This invention provides an approach to minimize the amount of residual toner left in a rotating vessel. The method involves rotating a vessel designed to hold toner and utilizing a plurality of beads that are attracted to a magnetic strip. These beads work in conjunction with the vessel's helical features to transport toner efficiently from one end of the vessel to the other.

Another significant patent by Harpur is related to local suppression of unwanted toner emissions. This invention features a developer apparatus for printing devices that includes a rotatable developer carrying member. The apparatus is equipped with a magnet assembly that generates a magnetic field, which helps in reducing unwanted toner emissions by creating a stable annular magnetic brush in the edge regions of the developer carrying member.

Career Highlights

Harpur's career is marked by his association with Xerox Corporation, a leading company in the field of printing technology. His work has contributed to advancements in toner management and emission control, showcasing his expertise in the industry.

Collaborations

Throughout his career, Harpur has collaborated with notable colleagues, including Derek William Judd and Ian Geoffrey Harper. These collaborations have likely enriched his work and contributed to the development of innovative solutions in printing technology.

Conclusion

Ian Gerard Harpur's contributions to the field of printing technology through his patents demonstrate his commitment to innovation. His work continues to influence the efficiency of toner usage in printing devices, making a lasting impact in the industry.