Location History:
- Baltimore, MD (US) (1978 - 1980)
- Hydes, MD (US) (1979 - 1992)
Company Filing History:
4 out of 9 
2 out of 5,188 
1 out of 832,843 Years Active: 1978-1992
Title: Joseph E. Ahnell: Innovator in Biological Detection Technologies
Introduction
Joseph E. Ahnell, based in Hydes, MD, is an accomplished inventor with a portfolio of seven patents focusing on advanced methods for detecting biological activity. His innovative approaches leverage infrared analysis to significantly enhance the detection of biological agents, marking him as a notable figure in the field of biotechnology.
Latest Patents
Ahnell's latest inventions include a cutting-edge method and apparatus for detecting the presence of biological activity in a sealed container. This technique involves placing a sample in a closed container with a growth medium that includes a metabolizable carbon source, which can produce carbon dioxide through normal metabolic processes. By exposing the medium to conducive conditions, Ahnell has devised a way to measure the resulting CO2 in the gaseous atmosphere using infrared absorbance technology.
In addition, he has developed a method for the detection of biologically active agents through infrared analysis of the headspace gas produced by microorganisms. In this method, a sample of gas from a vial containing growth medium inoculated with a suspected microorganism is analyzed to detect any carbon dioxide indicating microbial growth.
Career Highlights
Joseph E. Ahnell has contributed to the innovation landscape through his roles at esteemed companies such as Johnston Laboratories, Inc. and Becton Dickinson and Company Limited. His expertise spans various aspects of biotechnology and analysis, showcasing his commitment to advancing methods that can benefit public health and safety.
Collaborations
Throughout his career, Ahnell has collaborated with notable professionals in the field, including Mark L. Sussman and Rodney L. Broman. These partnerships underline the collective effort in pushing the boundaries of biotechnological research and invention.
Conclusion
Joseph E. Ahnell's inventive spirit and expertise have led to significant advancements in the detection of biological activity, with implications for various applications in health and safety. His patents reflect a deep understanding of both the theoretical and practical aspects of biotechnology, solidifying his reputation as a leading innovator in his field.