This inventor holds 3 USPTO granted patents. Top assignee: University of California. Active years: 2000-2006.
Location History:
- La Honda, CA (US) (2000 - 2002)
- Castro Valley, CA (US) (2006)
Company Filing History:
Years Active: 2000-2006
Title: Innovations by Michael H. Wiefel
Introduction
Michael H. Wiefel is an accomplished inventor based in Castro Valley, California. He has made significant contributions to the field of microextraction and chromatography, holding a total of 3 patents. His work is characterized by innovative solutions that enhance the efficiency and effectiveness of analytical processes.
Latest Patents
One of Wiefel's latest patents is the "Solid phase microextraction fiber cleaning and conditioning apparatus and method." This invention features an elongated heating chamber designed to clean and condition SPME fibers. The apparatus allows for the insertion of a SPME fiber portion, with a fluid outlet at the opposite end. A heater is integrated to heat the chamber, facilitating the removal of contaminants from the fiber through fluid flow. Additionally, turbulence is generated to improve the cleaning process.
Another notable patent is the "Illumination box and camera system." This invention is a portable thin-layer chromatography (TLC) unit that is battery-operated and designed for field use. It includes a solvent tank, a holder for TLC plates, and various tool chambers for efficient sample processing. After the TLC plates are developed, they can be placed in a collapsible illumination box, where a CCD camera captures high-resolution images for analysis.
Career Highlights
Michael H. Wiefel is affiliated with the University of California, where he continues to contribute to research and innovation in his field. His work has not only advanced analytical techniques but has also provided practical solutions for various applications in chemistry and environmental science.
Collaborations
Wiefel has collaborated with notable colleagues, including Wayne A. Jensen and John F. Bushman. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise.
Conclusion
Michael H. Wiefel's contributions to the fields of microextraction and chromatography exemplify the spirit of innovation. His patents reflect a commitment to improving analytical methods, making significant strides in the scientific community.