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For the Inventor, By the Inventor

Rockaway, NJ, United States of America

Douglas G Ryan

This inventor holds 14 USPTO granted patents. Top assignees: Exxon Research and Engineering Company, Other. Active years: 1976-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas G Ryan. Retrieved from https://idiyas.com/inventor/douglas-g-ryan

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 6

Forward Citations = 153(Granted Patents)


Location History:

  • Livingston, NJ (US) (1976)
  • Rockaway, NJ (US) (1980 - 1990)

Company Filing History:

goldMedal13 out of 4,227 
 
Exxon Research and Engineering Company
 patents
silverMedal1 out of 834,513 
Other
 patents

Years Active: 1976-1990

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14 patents (USPTO):Explore Patents
1. 4904367 - Removing haze from dewaxed hydrocarbon oil mixture boiling in the (1990-02-27),
2. 4820400 - Process for removing haze from dewaxed hydrocarbon oil mixture boiling (1989-04-11),
3. 4702817 - Removing haze from hydrocarbon oil mixture boiling in the lubricating (1987-10-27),
4. 4629546 - Method and apparatus for centrifugal separation of dispersed phase from (1986-12-16),
5. 4627901 - Separating wax from hydrocarbon mixture boiling in the lubricating oil (1986-12-09),
6. 4622118 - Method and apparatus for separating wax/water from hydrocarbon oil (1986-11-11),
7. 4512878 - Used oil re-refining (1985-04-23),
8. 4490240 - Removal of corrodants from NMP solvent by contacting with sacrificial (1984-12-25),
9. 4346008 - Rotary drum filter (1982-08-24),
10. 4314886 - Mechanically agitated liquid-vapor contacting apparatus (1982-02-09),
11. 4309288 - Rotary drum filter (1982-01-05),
12. 4217203 - Continuous autorefrigerative dewaxing process and apparatus (1980-08-12),
13. 4216075 - Combination dewaxing process (1980-08-05),
14. 3975396 - Deasphalting process (1976-08-17),

Title: Inventor Douglas G Ryan - Pioneering Innovations in Rockaway, NJ

Introduction: Douglas G Ryan is a distinguished inventor based in Rockaway, NJ, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Douglas G Ryan's latest patents include cutting-edge technologies in the fields of renewable energy, sustainable agriculture, and advanced robotics, showcasing his commitment to addressing pressing global challenges.

Career Highlights: With a career spanning over two decades, Douglas G Ryan has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing solutions that push the boundaries of what is possible.

Collaborations: Throughout his career, Douglas G Ryan has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life, fostering a culture of innovation and excellence in the industry.

Conclusion: Inventor Douglas G Ryan's relentless pursuit of innovation and his passion for creating a positive impact on society continue to inspire the next generation of inventors and entrepreneurs worldwide.

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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