Location History:
- Burnsville, MN (US) (2002)
- Ridgecrest, CA (US) (2004)
- Hartland, WI (US) (1995 - 2017)
- Saint Paul, MN (US) (1999 - 2021)
- Ida Grove, IA (US) (2017 - 2021)
- Williams, MN (US) (2024)
Company Filing History:
11 out of 1,406 
3 out of 50 
1 out of 82 
Years Active: 1995-2025
Title: The Innovative Contributions of Steven A Johnson
Introduction
Steven A Johnson is a notable inventor based in Saint Paul, MN (US). He holds a total of 18 patents that showcase his expertise in developing advanced technologies. His work primarily focuses on air filtration systems and paving machinery, demonstrating his versatility and innovative spirit.
Latest Patents
Among his latest patents, Johnson has developed several significant inventions. One of these is related to enlarged opening filter bags, support assemblies, and filter bag assemblies. These innovations are designed for use in air filter systems to effectively remove particulate matter from air or other gases. Additionally, he has created methods for assembling these filter bag assemblies, enhancing their functionality and efficiency. Another notable patent is for a slew drive control system. This invention includes a bushing that interfaces with a drive gear, designed to resist loads while maintaining high strength through the use of an aluminum bronze alloy. This technology is particularly useful in paving machines, where multiple slew drives control the angle of pivot arms and steering of tracks. Johnson's method for reducing component failure in paving machines is also noteworthy, as it involves monitoring angular position errors and adjusting the slew drive accordingly.
Career Highlights
Throughout his career, Johnson has made significant contributions to the field of engineering and technology. He has worked with reputable companies such as Donaldson Company, Inc. and Gomaco Corporation, where he applied his innovative ideas to real-world applications. His experience in these organizations has allowed him to refine his skills and develop groundbreaking technologies.
Collaborations
Johnson has collaborated with talented individuals in his field, including Thomas Donald Raether and Kristofer G Kosmider. These partnerships have likely contributed to the success of his inventions and the advancement of technology in his areas of expertise.
Conclusion
Steven A Johnson's contributions to innovation and technology are commendable. His patents reflect a deep understanding of engineering principles and a commitment to improving existing systems. His work continues to influence the fields of air filtration and paving machinery, showcasing the impact of his inventive spirit.