Location History:
- Houston, TX (US) (1997 - 1998)
- Cypress, TX (US) (1995 - 2006)
Company Filing History:
12 out of 13 
2 out of 90 
1 out of 6 Years Active: 1995-2006
Title: **The Innovations of Coy M. Fielder: A Pioneer in Drilling Technology**
Introduction
Coy M. Fielder, an accomplished inventor based in Cypress, TX, has made significant contributions to the field of drilling technology, holding a remarkable 16 patents. His innovative designs reflect a deep understanding of engineering principles and a commitment to advancing drilling methods.
Latest Patents
Among his latest innovations are the "Expandable Eccentric Reamer and Method of Use in Drilling" and the "Sub-reamer for Bi-center Type Tools." The expandable eccentric reamer is designed to be placed in a drill string above a conventional drill bit. This unique reamer uses drilling fluid pressure to actuate its blade, allowing it to extend beyond the pass-through diameter for efficient operations. The design includes an eccentric outer surface that accommodates the reamer blade, which acts as a piston arm, thus improving the drilling process. Meanwhile, the sub-reamer enhances bi-center tools with directional stability and wear resistance, utilizing specifically shaped PDC cutting elements to minimize force imbalance during use.
Career Highlights
Throughout his career, Fielder has worked with prominent companies such as Diamond Products International, Inc. and Baroid Technology, Inc. His tenure at these organizations has allowed him to hone his skills and contribute to the development of groundbreaking drilling technologies.
Collaborations
Coy M. Fielder has collaborated with fellow innovators like Gary M. Thigpen and Rogerio H. Silva. These partnerships have fostered an environment of creativity and knowledge-sharing that has led to significant advancements in the industry.
Conclusion
Coy M. Fielder stands out as a leading inventor in drilling technology, with a portfolio of patents that showcase his innovative spirit and engineering expertise. His contributions continue to shape the future of drilling, ensuring the industry benefits from improved tools and methods.
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.