Hamilton, New Zealand

Graham Francois Duirs

This inventor holds 4 USPTO granted patents. Top assignees: Carter Holt Harvey Plastic Products Group Limited, Pfizer Products Inc., Springfield Trust. Active years: 1991-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Graham Francois Duirs. Retrieved from https://idiyas.com/inventor/graham-francois-duirs

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

Calculating rank

% Patents Active = 75.0

Average Co-Inventor Count = 1.2

ph-index = 2

Forward Citations = 325(Granted Patents)


Company Filing History:


Years Active: 1991-2012

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4 patents (USPTO):Explore Patents

Title: Graham Francois Duirs: Innovator in Veterinary Treatment Devices

Introduction

Graham Francois Duirs is a notable inventor based in Hamilton, New Zealand. He has made significant contributions to the field of veterinary medicine through his innovative devices. With a total of four patents to his name, Duirs has focused on developing solutions that enhance animal health and treatment.

Latest Patents

Duirs' latest patents include a treatment and control device designed for insertion into a teat orifice. This device is capable of being held in position within the teat streak canal once inserted. It is specifically configured to act as a substrate for natural keratin deposition. Another significant invention is a drug delivery system intended for delivering hormonal and other veterinary treatments intra-vaginally. This system features a separate substance dispenser, which can take the form of drug-impregnated gills or vanes. Additionally, the drug may be dispensed by a micro-pump in the supporting device or coated on the dispenser.

Career Highlights

Throughout his career, Duirs has worked with prominent companies such as Carter Holt Harvey Plastic Products Group Limited and Pfizer Products Inc. His experience in these organizations has contributed to his expertise in developing innovative veterinary solutions.

Collaborations

Duirs has collaborated with notable individuals in his field, including Raymond J Pryor and James F Pharoah. These partnerships have likely enhanced his work and led to further advancements in veterinary treatment technologies.

Conclusion

Graham Francois Duirs is a distinguished inventor whose work in veterinary treatment devices has made a significant impact. His innovative patents and collaborations reflect his commitment to improving animal health.

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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