Haymarket, VA, United States of America

David John Fischer

USPTO Granted Patents = 27 



Average Co-Inventor Count = 2.2

ph-index = 8

Forward Citations = 415(Granted Patents)


Location History:

  • Corning, NY (US) (1976)
  • Sarasota, FL (US) (1980 - 1981)
  • Arden Hills, MN (US) (1981 - 1995)
  • Santa Ana, CA (US) (1996 - 1997)
  • Oconomowoc, WI (US) (2003)
  • Cordova, TN (US) (2005)
  • Schenectady, NY (US) (2014)
  • Dublin, OH (US) (2014 - 2017)
  • Savannah, GA (US) (2016 - 2017)
  • Coppell, TX (US) (2008 - 2018)
  • Haymarket, VA (US) (2019 - 2023)
  • South San Francisco, CA (US) (2023)

Company Filing History:


Years Active: 1976-2023

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27 patents (USPTO):Explore Patents

Title: David J. Fischer: A Trailblazer in Contact Lens Innovation and Anaerobic Digestion

Introduction

David J. Fischer, an accomplished inventor based in Sarasota, FL, holds a remarkable portfolio of four patents. His innovative work primarily focuses on advancements in contact lens technology and anaerobic digestion processes, reflecting his dedication to solving real-world problems through invention.

Latest Patents

Among Fischer's notable patents is the design for a "Preferential Orientation of Contact Lenses." This invention features an improved method for forming contact lenses that helps them maintain a specific angular orientation on the wearer's eye. By incorporating one or more characters formed in relief on the lens surface, the design ensures that the lens remains properly oriented, enhancing user experience.

Another significant patent includes a "System and Process for Anaerobic Digestion," which presents a method for producing methane gas from suitable organic feed materials. This innovative system comprises multiple digestion modules arranged in series, allowing for independent sampling and control of each module. The process utilizes grinding and pulping techniques, followed by the careful mixing of feed material with liquid to create a slurry. This slurry undergoes a series of controlled digestion stages, ultimately converting organic waste into useful sludge.

Career Highlights

Throughout his career, Fischer has contributed to leading companies in the industry. He has worked with Bausch & Lomb Incorporated, renowned for its commitment to optical products, and Universal Research and Development Corporation, which focuses on innovative research solutions. His professional journey highlights a consistent commitment to innovation and development.

Collaborations

Fischer has collaborated with notable individuals such as John C. Thomas and Richard M. Narske, contributing to a dynamic exchange of ideas that enhance his inventive processes. The partnerships showcase the importance of teamwork and collaboration in driving forward-thinking solutions.

Conclusion

David J. Fischer continues to make a significant impact through his inventive spirit and dedication to technological advancements. His patents not only improve the functionality of everyday products like contact lenses but also contribute to sustainable practices through efficient waste digestion processes. As an inventor, Fischer exemplifies the role of innovation in addressing current and future challenges.

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