West Hill, Canada

John C Stirrat

This inventor holds 1 USPTO granted patent. Top assignee: Delphax Systems. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John C Stirrat. Retrieved from https://idiyas.com/inventor/john-c-stirrat

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Innovations of John C Stirrat

Introduction

John C Stirrat is an accomplished inventor based in West Hill, California. He is known for his innovative contributions to the field of toner feeder systems, which play a crucial role in the printing industry. His work has led to advancements that enhance the efficiency and effectiveness of electrostatic imaging.

Latest Patents

John C Stirrat holds a patent for a toner feeder system. This invention is designed for use with a magnetic roller to tone electrostatic images. The toner feeder includes a doctor blade attached to an adjustable block, allowing for the variation of the gap between the blade's edge and the magnetic roller. This design creates a recess above the blade where toner accumulates, forming a living wall of toner. This innovative approach reduces agglomeration and the buildup of toner lumps, making it particularly useful for toners that require relatively low fusing pressures. He has 1 patent to his name.

Career Highlights

Throughout his career, John has made significant contributions to the field of printing technology. His work at Delphax Systems has positioned him as a key player in the development of advanced printing solutions. His expertise in toner systems has been instrumental in improving the quality and reliability of printed materials.

Collaborations

John has collaborated with notable colleagues, including Kenneth L Hurley and Brian F Whittaker. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

John C Stirrat's contributions to the field of toner feeder systems exemplify his dedication to innovation in printing technology. His patent and collaborative efforts have significantly impacted the industry, showcasing the importance of inventive thinking in advancing technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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