James H Crabtree

Title: The Innovative Contributions of James H. Crabtree

Introduction

James H. Crabtree is a notable inventor based in Long Beach, California, with a total of three patents to his name. His work has significantly impacted the fields of analytical chemistry and fluid dynamics through innovative technologies.

Latest Patents

One of Crabtree's latest patents is the "Retention time-locked spectral database for target analyte analysis." This invention enhances the screening of unknown samples for known target analytes by utilizing a retention time-locked spectral database. The method improves the identification of target analytes by comparing significant mass spectral ions and mass ion ratios within a defined retention time window.

Another significant patent is the "Fluid flow detector," which features a thermal effect sensing device. This device comprises a semiconductor substrate with an insulating layer and a thin film of platinum. The design allows for the sensing of thermal properties of fluids, such as mass flow or thermal conductivity, through a serpentine resistive element that is suspended over a hole in the substrate.

Career Highlights

Throughout his career, Crabtree has worked with prominent companies, including Rosemount Inc. and Beckman Industrial Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Crabtree has collaborated with notable individuals in his field, including Fred Charles Sittler and Carl A. Farren. These collaborations have likely enriched his work and led to advancements in his inventions.

Conclusion

James H. Crabtree's contributions to innovation through his patents and career experiences highlight his significant role in advancing technology in analytical chemistry and fluid dynamics. His work continues to influence these fields and showcases the importance of inventive thinking.