Location History:
- Brookshire, TX (US) (2011 - 2019)
- Pattison, TX (US) (2016 - 2021)
- Houston, TX (US) (2005 - 2024)
Company Filing History:
8 out of 7,645 
2 out of 145 
1 out of 160 
Years Active: 2005-2025
Title: Innovations of John Justin Freeman
Introduction
John Justin Freeman is a notable inventor based in Pattison, Texas. He has made significant contributions to the field of rock characterization through his innovative methods. With a total of 10 patents to his name, Freeman's work has advanced the understanding of rock permeability and porosity.
Latest Patents
Freeman's latest patents include a method for digitally characterizing the permeability of rock. This invention provides a technique for estimating the permeability of rock from a digital image. A three-dimensional image of the rock is obtained and segmented, allowing for the determination of image permeability. Permeability correction factors are derived from the segmented image and a non-wetting liquid capillary pressure curve, which are then applied to obtain a corrected image permeability of the rock. Another significant patent is a method for characterizing the porosity of rock. This method also utilizes a three-dimensional image of the rock, from which image porosity is determined. A porosity correction parameter is obtained from a non-wetting liquid capillary pressure curve, which is then applied to achieve a corrected porosity of the rock.
Career Highlights
Throughout his career, Freeman has worked with prominent companies such as Shell Oil Company and Krohne AG. His experience in these organizations has contributed to his expertise in rock characterization technologies.
Collaborations
Freeman has collaborated with notable professionals in his field, including Matthias Appel and Daniel Pusiol. These collaborations have further enriched his work and innovations.
Conclusion
John Justin Freeman's contributions to the field of rock characterization through his innovative patents have significantly advanced the understanding of rock properties. His work continues to influence the industry and inspire future innovations.
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.