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For the Inventor, By the Inventor

Ooltewah, TN, United States of America

Douglas R O'Hara

This inventor holds 7 USPTO granted patents. Top assignee: Gkn Sinter Metals Gmbh. Active years: 1997-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas R O'Hara. Retrieved from https://idiyas.com/inventor/douglas-r-o-hara

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 22(Granted Patents)


Location History:

  • Ooltewah, TN (US) (1997 - 1998)
  • Salem, IN (US) (2020)

Company Filing History:

goldMedal1 out of 79 
 
Gkn Sinter Metals Gmbh
 patents
where one patent can have more than one assignee

Years Active: 1997-2020

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7 patents (USPTO):Explore Patents
1. 10773308 - Rotor and method of manufacturing rotor with equalized surface areas for grinding (2020-09-15),
2. D389719 - Pocket knife (1998-01-27),
3. D386961 - Handle for a pocket knife (1997-12-02),
4. D386960 - Handle for a pocket knife (1997-12-02),
5. D386061 - Handle for a pocket knife (1997-11-11),
6. D386060 - Pocket knife (1997-11-11),
7. D386059 - Pocket knife (1997-11-11),

Title: Innovations of Douglas R O'Hara

Introduction

Douglas R O'Hara is a notable inventor based in Ooltewah, TN (US), recognized for his contributions to engineering and manufacturing. He holds a total of 7 patents, showcasing his innovative spirit and technical expertise in various fields.

Latest Patents

Among his latest patents is a rotor and method of manufacturing a rotor with equalized surface areas for grinding. This invention focuses on a rotor designed for variable valve timing engines, featuring opposing planar surfaces with recesses to balance and equalize the surface areas. This design enhances the accuracy and efficiency of the rotor during the grinding process, demonstrating O'Hara's commitment to improving manufacturing techniques. Another notable invention is a pocket knife, which reflects his versatility as an inventor.

Career Highlights

O'Hara is currently associated with GKN Sinter Metals GmbH, where he applies his innovative ideas to advance the company's manufacturing capabilities. His work has significantly impacted the field, particularly in the development of precision components.

Collaborations

Throughout his career, O'Hara has collaborated with talented individuals such as Paul Williams and James T Hill, contributing to a dynamic work environment that fosters creativity and innovation.

Conclusion

Douglas R O'Hara's contributions to the field of engineering and manufacturing through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in technology and manufacturing processes.

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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