Methuen, MA, United States of America

Rand H Ackroyd

This inventor holds 17 USPTO granted patents, primarily in Valve Technology. Top assignees: Watts Regulator Company, Watts Investment Company. Active years: 1977-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rand H Ackroyd. Retrieved from https://idiyas.com/inventor/rand-h-ackroyd

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 = 1.2

ph-index = 11

Forward Citations = 310(Granted Patents)


Company Filing History:


Years Active: 1977-2000

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Areas of Expertise:
Flapper Check Valve
Temperature-sensitive Safety Valve
Backflow Preventer
Poppet Check Valve
Sewer Drain Trap Primer
Double Check Backflow Preventer
Toggle Linkage Check Valve
Anti-siphon Hydrant
Piston Pressure-type Vacuum Breaker
Ball Valve Lock Plate
Tamperproof Coupling
Double-jet Acting Trap Primer
17 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Rand H Ackroyd

Introduction

Rand H Ackroyd, an accomplished inventor based in Methuen, MA, holds an impressive portfolio of 17 patents, showcasing his ingenuity and commitment to innovation. His contributions span various fields, particularly focusing on mechanisms that enhance the efficiency and functionality of valve systems.

Latest Patents

One of Ackroyd's latest inventions is the Flapper Check Valve. This sophisticated check valve assembly is designed for efficient engagement with a valve seat. It features a flapper valve composed of a bracket pivotably mounted along one hemisphere of the valve seat and a valve plate that is spaced from the periphery of the valve plate itself. The mounting assembly allows for adjustable connection between the valve plate and the bracket. When closed, the valve plate creates a reliable seal against the valve seat's periphery. Additionally, a lever arm located on the opposite hemisphere of the valve seat aids in the operation of the flapper valve, enhancing the device's overall performance through its biasing mechanism that maintains contact with the engagement surface.

Career Highlights

Rand H Ackroyd has had a fruitful career, notably working with well-respected companies such as Watts Regulator Company and Watts Investment Company. His expertise has enabled him to contribute significantly to the field of engineering, particularly in the development of innovative valve systems.

Collaborations

Throughout his career, Ackroyd has collaborated with several talented individuals, including Steven P Hofmann and Ping Lin. These partnerships have likely played a vital role in nurturing ideas and bringing forth innovative solutions within his projects.

Conclusion

Rand H Ackroyd's inventive spirit and practical solutions have made a notable impact on valve technology. His 17 patents reflect a deep understanding of engineering principles and a dedication to advancing his field. As he continues to push the boundaries of innovation, Ackroyd remains a significant figure among inventors in the industry.

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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