Location History:
- Whitminister, GB (2000)
- Whitminster, GB (1987 - 2003)
- Nympsfield, GB (2002 - 2009)
Company Filing History:
15 out of 46 
8 out of 34 
6 out of 10 
Years Active: 1987-2009
Title: Innovations and Contributions of Nigel Dennis Griffin
Introduction
Nigel Dennis Griffin, a prolific inventor based in Nympsfield, GB, has made significant strides in the field of earth boring technology. With a remarkable portfolio of 39 patents, Griffin's innovative contributions have been instrumental in enhancing the efficiency and effectiveness of drilling operations.
Latest Patents
Among his latest inventions are two notable patents. The first is a Dual-edge working surface for polycrystalline diamond cutting elements. This innovative cutting element is designed for earth boring drill bits, featuring regions of varying abrasion resistance. The unique design allows for an end working surface and a layer that is substantially free of catalyzing material, resulting in differential wear rates that create protruding lips to improve the cutting efficiency.
Another recent invention by Griffin is the Rotary seal for directional drilling tools. This rotary valve assembly is crucial for directing the flow of abrasive-laden drilling fluid. The innovative design includes a first sealing surface that engages a second sealing surface, where at least one surface has interconnecting voids. This feature allows for pressure equalization between sealing faces, effectively addressing hydraulic lock problems that can arise during startup.
Career Highlights
Throughout his career, Griffin has made significant contributions while working with companies such as Camco International Limited and Camco Drilling Group Limited. His work has consistently focused on improving drilling technologies, making him a respected figure in the industry.
Collaborations
Collaborating with talented individuals has been a hallmark of Griffin's career. Notable colleagues include Peter Raymond Hughes and Terry R Matthias, with whom he has worked on various innovative projects, contributing to the advancements in drilling technology.
Conclusion
Nigel Dennis Griffin's extensive work and 39 patents reflect his dedication to innovation in drilling technology. His latest inventions showcase his commitment to overcoming industry challenges and advancing the capabilities of earth boring equipment. With a career marked by collaboration and ingenuity, Griffin continues to be a significant contributor in his field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.