Company Filing History:
Years Active: 1994
Title: JoAnn L Johnson: Innovator in Soil Sampling Technology
Introduction
JoAnn L Johnson is a notable inventor based in Denmark, Wisconsin, who has made significant contributions to the field of soil sampling technology. With a focus on improving the efficiency and safety of soil sampling tools, she has developed an innovative solution that addresses the challenges associated with volatile organic compounds.
Latest Patents
JoAnn holds a patent for a tool designed for sampling soil containing volatile organic compounds. This invention enhances a traditional soil sampling tool by incorporating an ejector that allows for the safe extraction of soil samples while preventing harmful vapors from escaping. The tool features a cylindrical sampling barrel with an aperture at the upper end, where the ejector and aperture create an annular clearance. This design enables air to exhaust from the barrel during sampling, ensuring that vapors are contained. The plunger includes a boss that seals the aperture when in the uppermost position, further preventing vapor escape. This tool is particularly beneficial for analyzing soil samples related to leaking underground storage tanks that may contain petroleum distillates.
Career Highlights
JoAnn is associated with En Chem, Inc., where she continues to innovate and develop solutions for environmental challenges. Her work has been instrumental in advancing soil sampling techniques, making them safer and more effective for environmental assessments.
Collaborations
Throughout her career, JoAnn has collaborated with notable colleagues, including David E Turriff and Lloyd E Jacobs. These partnerships have contributed to the development and refinement of her innovative tools.
Conclusion
JoAnn L Johnson's contributions to soil sampling technology exemplify her commitment to environmental safety and innovation. Her patented tool represents a significant advancement in the field, ensuring that soil samples can be collected and analyzed without the risk of volatile organic compound exposure.