San Ramon, CA, United States of America

John Boldt

This inventor holds 2 USPTO granted patents. Top assignees: Chroma Corporation, Envision Technology, Inc.. Active years: 1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Boldt. Retrieved from https://idiyas.com/inventor/john-boldt

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 1984

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2 patents (USPTO):Explore Patents

Title: The Innovative Journey of John Boldt

Introduction

John Boldt is a notable inventor based in San Ramon, CA (US). He has made significant contributions to the field of printing technology, holding a total of 2 patents. His work has paved the way for advancements in color printing and matrix printer design.

Latest Patents

One of John Boldt's latest patents is a color impact matrix printer. This innovative printer features replaceable color cartridges that can be selectively engaged with a print head. It includes a powered manifold for adjusting the print gap, a rapidly movable cartridge housing operated by a lever system, and a ribbon drive mechanism that allows for selective and incremental driving of each cartridge. Another patent he holds is for a ribbon cartridge designed for matrix printers. This cartridge includes a capstan driven by an outboard gear, which is accessible by a driver located on the printer from either the top or bottom. This design allows for closely stacked cartridges on a single carriage, enhancing efficiency.

Career Highlights

Throughout his career, John Boldt has worked with several companies, including Envision Technology, Inc. and Chroma Corporation. His experience in these organizations has contributed to his expertise in the printing industry and has influenced his innovative designs.

Collaborations

John has collaborated with talented individuals such as Richard Trezise and Keith Gnutzman. Their teamwork has fostered creativity and innovation in their respective projects.

Conclusion

John Boldt's contributions to printing technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative designs continue to influence the industry and inspire future advancements.

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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