Julienrupt, France

Dominque Petitjean



Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 52(Granted Patents)


Location History:

  • Jullenrupt, FR (2010)
  • Julienrupt, FR (2010 - 2011)

Company Filing History:


Years Active: 2010-2011

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3 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Dominque Petitjean

Introduction: Dominque Petitjean is a celebrated inventor based in Julienrupt, France. With a remarkable portfolio of three patents, Petitjean has made significant advancements in the field of turbocharging technology. His innovative approach has paved the way for enhanced performance in engines, making him a notable figure at Honeywell International Inc.

Latest Patents: Petitjean's latest patents include a cutting-edge variable geometry turbine designed for turbochargers. This invention features a sliding element that controls the throat section of the turbine, optimizing mechanical energy conversion from working fluid flow. The turbine's design incorporates a bypass channel that allows excess fluid to be redirected, enhancing operational control. Additionally, he has developed a pioneering bearing and locating pin system for turbochargers. This patent focuses on a bearing that houses an internal bore with axial grooves, featuring strategically placed lubricant inlets to improve efficiency and performance of turbocharger systems.

Career Highlights: Throughout his career at Honeywell International Inc., Petitjean has been at the forefront of innovation in turbocharger technology. His meticulous research and experimentation have led to advancements that significantly improve engine performance and reliability. As a testament to his expertise, he has authored multiple patents that are widely recognized in the industry.

Collaborations: Working alongside talented colleagues like Phillipe Arnold and Guillaumo Dupont, Petitjean has thrived in a collaborative environment that fosters creativity and innovation. This synergy among team members has proved invaluable in driving the successful development of new technologies.

Conclusion: As an inventor, Dominque Petitjean exemplifies the spirit of innovation that is essential for progress in engineering. His contributions to turbocharger technology not only enhance engine capabilities but also set new standards in the industry. With a continued commitment to research and development, Petitjean is sure to inspire future generations of inventors.

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