Location History:
- Timonium, MD (US) (2005)
- Hunt Valley, MD (US) (2006 - 2007)
- Havre de Grace, MD (US) (2009)
- Cockeysville, MD (US) (2007 - 2012)
- Baltimore, MD (US) (2009 - 2012)
Company Filing History:
4 out of 19 
3 out of 356 
1 out of 1 
Years Active: 2005-2012
Title: The Innovative Contributions of David K Friday
Introduction
David K Friday is a notable inventor based in Cockeysville, MD (US), recognized for his significant contributions to the field of filtration technology. With a total of 10 patents to his name, he has developed innovative solutions that enhance the effectiveness and safety of gas masks.
Latest Patents
One of his latest inventions is a gas mask filter canister. This filter features a concave outlet wall and a convex inlet wall, designed with a particulate filter bed that maintains a uniform depth and conforms to the shape of both walls. The side wall can be elliptical, circular, or convex to fit the curvature of the wearer's face, or it can be planar. Additionally, the filter can include a double particulate filter element and a double adsorption filter element configured for axial airflow, creating a bifurcated flow pattern. The adsorption filter element is composed of granulated charcoal, a composite material with carbon particles and binder particles, or an immobilized bed of charcoal granules combined with EVA-coated fibers. Another significant invention is a residual life indicator for filters. This device includes a first sample filter with an inlet that connects to the filter whose residual life is being assessed, and a second sample filter that connects to the outlet of the same filter. It also features a chemical tracer source and a detector to monitor the filter's performance.
Career Highlights
Throughout his career, David K Friday has worked with prominent companies such as Avon Protection Systems, Inc. and J.M. Huber Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in filtration technology.
Collaborations
David has collaborated with notable individuals in his field, including David W Pike and Fitzgerald Alphanso Sinclair. These partnerships have fostered innovation and the sharing of ideas, further enhancing the impact of his work.
Conclusion
David K Friday's innovative contributions to gas mask technology and filtration systems demonstrate his commitment to safety and effectiveness in protective equipment. His patents reflect a deep understanding of engineering and design, making him a valuable figure in the field of invention.
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.