This inventor holds 10 USPTO granted patents and 1 published patent application, plus 13 CIPO patents. Top assignees: Mostar Directional Technologies Inc., Mostar Directionsl Technologies Inc.. Active years: 2009-2019.
Company Filing History:
9 out of 9 
1 out of 1 Years Active: 2009-2019
Title: Innovations of John Petrovic
Introduction
John Petrovic is a notable inventor based in Calgary, Canada, recognized for his contributions to the field of downhole telemetry systems. With a total of 10 patents to his name, Petrovic has made significant advancements in drilling technology.
Latest Patents
One of his latest patents is the "Gap Sub Assembly for a Downhole Telemetry System." This invention provides a gap sub-assembly that electrically isolates an upstream portion of a drill string from a downstream portion. The assembly includes a first sub, a second sub, and a non-conductive isolation between them. This innovative design ensures that the respective threads of the first and second subs are electrically isolated, enhancing the efficiency of drilling operations.
Another significant patent is the "System and Method for Controlling a Dual Telemetry Measurement While Drilling (MWD) Tool." This system allows for the operation of a dual telemetry MWD system by sending downlink commands to switch between different telemetry modes, including mud pulse telemetry and electromagnetic telemetry. This advancement improves the reliability and effectiveness of drilling measurements.
Career Highlights
Throughout his career, John Petrovic has worked with Mostar Directional Technologies Inc., where he has applied his expertise in developing innovative drilling solutions. His work has contributed to the advancement of telemetry systems in the oil and gas industry.
Collaborations
Petrovic has collaborated with notable individuals such as Victor Petrovic and Matthew Robert White, further enhancing his contributions to the field.
Conclusion
John Petrovic's innovative patents and career achievements highlight his significant role in advancing drilling technology. His work continues to influence the industry, showcasing the importance of innovation in engineering.