This inventor holds 27 USPTO granted patents and 2 published patent applications and 12 EPO patents, primarily in Fluid Dispensing Technology. Top assignees: Graco Minnesota Inc., Graco Inc.. Active years: 1994-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Buffalo, MN (US) (1994 - 2008)
- Zimmerman, MN (US) (2008 - 2023)
Company Filing History:
Years Active: 1994-2026
Areas of Expertise:
Title: Innovations by Harold D. Johnson – A Renowned Inventor from Zimmerman, MN
Introduction
Harold D. Johnson is a distinguished inventor based in Zimmerman, Minnesota, who has made significant contributions to fluid dispensing technology. With a remarkable portfolio of 26 patents, his work exemplifies innovation and practical applications in various industries.
Latest Patents
Among his latest innovations is the portable airless sprayer, a fluid dispensing device that integrates advanced mechanical operations. This sprayer comprises a housing, a reciprocating piston fluid pump, and a motor that actuates the piston to create pressure in the pumping chamber. Additionally, it features a spray tip connected to the outlet, ensuring efficient fluid dispersion. This device is crafted to meet the needs of users seeking a reliable and effective solution for fluid application.
Career Highlights
Harold has had a successful career in the industry, where he notably worked with Graco Minnesota Inc. and Graco Inc. His tenure at these esteemed companies has enabled him to refine his skills and contribute significantly to the advancements in fluid technology. His extensive experience in practical applications of his ideas has led to a robust portfolio of patents that showcases his innovative spirit.
Collaborations
Throughout his career, Harold has collaborated with remarkable individuals, including Diane Leigh Olson and Jerry D. Horning. These partnerships have enriched his professional journey and have allowed for the exchange of ideas that further foster innovation in their respective fields.
Conclusion
With a legacy of 26 patents and ongoing contributions to the field of fluid dispensing, Harold D. Johnson remains a prominent figure in innovation. His dedication to improving technology and enhancing usability continues to influence the industry, ensuring that his inventions will serve as a foundation for future development.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

