This inventor holds 1 USPTO granted patent. Top assignee: Hewlett-Packard Company. Active years: 1991.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1991
Title: Bruce A. Anderson and Ink-Jet Pen Pressure Control
Introduction
Bruce A. Anderson is an inventor associated with Corvallis, Oregon, and Hewlett-Packard Company. His patent work addresses pressure changes in ink-jet pen reservoirs and the reliable delivery of ink.
Latest Patents
The provided information lists one patent for Anderson: “Accumulator and Pressure Control for Ink-Jet Pens.” The invention compensates for underpressure changes in an ink-jet pen reservoir through volume adjustments made by a piston moving within a sleeve connected to the reservoir. Ink held in the narrow space between the piston and sleeve provides a low-friction seal that prevents fluid communication between ambient air and the reservoir’s interior. One embodiment also includes an auxiliary ink reservoir carried on the piston to improve the pen’s volumetric efficiency. Anderson is credited with 1 patent.
Career Highlights
Anderson’s listed invention reflects work on ink-jet pen design, particularly reservoir pressure management, sealing, and ink capacity. The patent is associated with Hewlett-Packard Company.
Collaborations
Thomas H. Winslow is identified as Anderson’s coworker. The provided information does not specify the nature of their collaboration or whether Winslow contributed to the patent.
Conclusion
Bruce A. Anderson’s patent describes a piston-and-sleeve mechanism that helps regulate pressure and preserve ink-jet pen performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile