Location History:
- Elkhart Lake, WI (US) (1988)
- Danbury, CT (US) (1986 - 1989)
- Ridgefield, CT (US) (1983 - 2008)
- Marshfield, MA (US) (2013 - 2024)
Company Filing History:
31 out of 10,170 
1 out of 6,874 
1 out of 832,680 Years Active: 1983-2024
Title: James A Grau: Innovator in Nuclear Spectroscopy
Introduction
James A Grau, based in Marshfield, MA, is a prolific inventor with a remarkable portfolio of 30 patents. His contributions to the field of nuclear spectroscopy have been invaluable, particularly in the areas of porosity measurement and elemental analysis in subsurface formations.
Latest Patents
Among his latest patents is a groundbreaking method for porosity measurements utilizing neutron-induced gamma ray spectroscopy. This innovative system involves a control and data acquisition setup that captures gamma ray energy spectra through various detectors. It derives spectral yields from the energy spectra and estimates porosity based on those elemental components.
Another significant patent focuses on combining inelastic and capture gamma ray spectroscopy for determining the weight fractions of elements in subsurface formations. This method calculates elemental weight fractions by analyzing measurements of capture gamma rays resulting from high energy neutron bombardment of the formations. Additionally, weight fractions for elements determined through inelastic gamma rays are computed using a set transformation factor to ensure statistical accuracy in measurements.
Career Highlights
James A Grau has had a distinguished career working with renowned companies such as Schlumberger Technology Corporation and Saudi Arabian Oil Company. His expertise in nuclear spectroscopy and innovative approaches in forming measurement systems have established him as a leader in this specialized field.
Collaborations
Throughout his career, Grau has collaborated with several notable colleagues, including Bradley Albert Roscoe and Markus Berheide. These partnerships have likely enhanced his research capabilities and contributed to the success of his innovative projects.
Conclusion
James A Grau's contributions to the field of nuclear spectroscopy through his patents and collaborative efforts have had a lasting impact on the industry. His innovative methods for porosity measurement and elemental analysis continue to advance the understanding of subsurface formations, solidifying his reputation as a notable inventor in the field.
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.