Portland, OR, United States of America

Richard O Hartmann

This inventor holds 10 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Bi-En Corp, Other. Active years: 1989-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Richard O Hartmann. Retrieved from https://idiyas.com/inventor/richard-o-hartmann

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 90.0


 

Average Co-Inventor Count = 1.3

ph-index = 6

Forward Citations = 97(Granted Patents)


Location History:

  • New Baltimore, NY (US) (1989)
  • Brighton, MI (US) (2001)
  • Portland, OR (US) (1997 - 2022)

Company Filing History:

goldMedal4 out of 4 
 
Bi-En Corp
 patents
silverMedal5 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2022

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10 patents (USPTO):Explore Patents

Title: Richard O Hartmann: Innovator in Fertilizer Technology

Introduction

Richard O Hartmann is a notable inventor based in Portland, OR (US), recognized for his contributions to the field of fertilizer technology. With a total of 10 patents, Hartmann has developed innovative solutions that enhance the efficiency of fertilizer compositions, particularly those involving calcium cyanamide and urea.

Latest Patents

Hartmann's latest patents include groundbreaking formulations such as "Black urea enhanced efficiency controllable release fertilizer compositions" and "Fluid ionized compositions, methods of preparation and uses thereof." The first patent focuses on stabilizing active ionic compositions that enhance the effectiveness of calcium cyanamide, either alone or in combination with nitrogen-containing materials. This innovation facilitates controllable site-directed delivery, making it effective for various applications, including fertilizing, soil amending, and odor inhibition. The second patent details fluid ionized compositions that stabilize active nutrient ions and promote efficient delivery methods for plant fertilization and soil amendment.

Career Highlights

Throughout his career, Richard O Hartmann has worked with various companies, including Bi-en Corporation. His work has significantly impacted the agricultural sector by providing advanced solutions for nutrient delivery and soil health.

Collaborations

Hartmann has collaborated with notable individuals in his field, including A Ray Shirley, Jr. and Timothy Gene Holt. These partnerships have contributed to the development of his innovative fertilizer technologies.

Conclusion

Richard O Hartmann's contributions to fertilizer technology demonstrate his commitment to enhancing agricultural practices through innovation. His patents reflect a deep understanding of plant nutrition and soil health, positioning him as a key figure in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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