John M Mullins

Title: John M Mullins: Innovator in Earth Boring Technology

Introduction

John M Mullins is a notable inventor based in Houston, TX (US), recognized for his contributions to earth boring technology. He holds a total of 3 patents that showcase his innovative approach to improving drilling efficiency and functionality.

Latest Patents

Mullins' latest patents include "Opposed button thrust surfaces for earth boring bits" and "Rock bit with improved shirttail ventilation." The first patent describes an earth boring bit featuring thrust surfaces with enhanced cooling capabilities. This design incorporates a body with three depending bearing pins, each supporting a cutter with an axial cavity. The innovative thrust shoulders, along with hard metal inserts or buttons, facilitate improved airflow and cooling during operation. The second patent focuses on an air-cooled bearing type earth boring bit that enhances borehole cleaning. It features three bit legs, each equipped with a bearing pin that supports a rotatable cutter. The design includes passages for drilling fluid and a strategically designed slot that allows air to be discharged into the borehole, improving the overall efficiency of the drilling process.

Career Highlights

Throughout his career, John M Mullins has worked with prominent companies in the drilling industry, including Hughes Tool Company LLC and Hughes Tool Company. His experience in these organizations has contributed significantly to his expertise and the development of his patented technologies.

Collaborations

Mullins has collaborated with various professionals in the field, including his coworker Joseph L Kelly, Jr. Their combined efforts have likely fostered innovation and advancements in earth boring technologies.

Conclusion

John M Mullins stands out as an influential inventor in the earth boring sector, with a focus on enhancing drilling efficiency through innovative designs. His patents reflect a commitment to improving technology in this critical industry.