Maidenhead, United Kingdom

John Derek Guest

This inventor holds 16 USPTO granted patents, plus 1 CIPO patent and 3 EPO patents. Top assignees: John Guest International Limited, John Guest Limited, John Quest International Limited. Active years: 1990-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Derek Guest. Retrieved from https://idiyas.com/inventor/john-derek-guest

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


% Patents Active = 43.8



Average Co-Inventor Count = 1.1

ph-index = 12

Forward Citations = 360(Granted Patents)


Location History:

  • Berkshire, GB (2005)
  • Maidenhead, GB (1990 - 2008)
  • Bray, GB (2008 - 2011)

Company Filing History:


Years Active: 1990-2011

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16 patents (USPTO):Explore Patents

Title: John Derek Guest: Innovator in Liquid Flow Control Devices

Introduction

John Derek Guest, an accomplished inventor based in Maidenhead, GB, has made significant contributions to the field of liquid flow control with a remarkable portfolio of 16 patents. His work has been instrumental in developing advanced technologies that address critical challenges in fluid management.

Latest Patents

One of John Derek Guest's latest inventions is a liquid flow control device. This innovative device features a port or passageway designed to regulate liquid flow effectively. The design incorporates a body made of liquid-swellable material strategically positioned within the port. This body has an upstream side and a downstream side relative to the liquid flow. A sealing material layer on the upstream side protects it from contact with liquid when the body swells, thus closing the port. Conversely, when the body is in a non-swollen state, liquid flows through the passageway, allowing for effective control of liquid movement.

Career Highlights

Throughout his career, John has worked with notable companies such as John Guest International Limited and John Guest Limited. His dedication to innovation and excellence has established him as a respected figure in the industry.

Collaborations

John Derek Guest has collaborated with talented individuals such as Timothy Stephen Guest and Bo Harde. These partnerships have further enriched his projects and driven advancements in his field.

Conclusion

In summary, John Derek Guest has significantly impacted the development of liquid flow control technologies through his inventive spirit and collaboration with esteemed colleagues. His 16 patents reflect a commitment to innovation that not only benefits companies and industries but also enhances the efficiency of fluid management systems worldwide.

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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