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For the Inventor, By the Inventor

Gibsonia, PA, United States of America

Edgar L McGinnis

This inventor holds 10 USPTO granted patents. Top assignee: Gulf Research & Development Company. Active years: 1978-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Edgar L McGinnis. Retrieved from https://idiyas.com/inventor/edgar-l-mcginnis

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 40(Granted Patents)


Company Filing History:

goldMedal10 out of 466 
 
Gulf Research & Development Company
 patents

Years Active: 1978-1981

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10 patents (USPTO):Explore Patents
1. 4260485 - Filtration of a coal liquid slurry using polyisobutylene and an alcohol (1981-04-07),
2. 4255258 - Filtration of a coal liquid slurry using an alkylmethacrylate copolymer (1981-03-10),
3. 4252648 - Filtration of a coal liquid slurry using an alkylmethacrylate copolymer (1981-02-24),
4. 4252647 - Filtration of a coal liquid slurry using an ethylene vinyl acetate (1981-02-24),
5. 4252646 - Filtration of a coal liquid slurry using an ethylene vinyl acetate (1981-02-24),
6. 4251364 - Filtration of a coal liquid slurry using polyisobutylene (1981-02-17),
7. 4203839 - Process for separating solids from coal liquids (1980-05-20),
8. 4132630 - Method for separating solids from coal liquids (1979-01-02),
9. 4124485 - Separation of solids from coal liquids with an additive blend (1978-11-07),
10. 4102774 - Separation of solids from coal liquids using an additive (1978-07-25),

Title: Edgar L. McGinnis: Innovator in Coal Filtration Technologies

Introduction

Edgar L. McGinnis is a notable inventor based in Gibsonia, PA (US), recognized for his contributions to the field of coal filtration. With a total of 10 patents to his name, McGinnis has made significant advancements in improving the efficiency of coal liquid slurry filtration processes.

Latest Patents

Among his latest patents, McGinnis has developed innovative methods for enhancing the filtration rate of coal liquid slurries. One of his notable inventions involves the use of polyisobutylene and an alcohol containing 2 to 10 carbon atoms. This method increases the filtration rate by adding these substances to the slurry prior to filtration or by washing a precoat cake of filter aid with an oil solution of polyisobutylene. The combination of polyisobutylene and alcohol results in a synergistic improvement in filtration rates. Another significant patent focuses on the use of an alkylmethacrylate copolymer along with an alcohol to achieve similar enhancements in filtration efficiency.

Career Highlights

Edgar L. McGinnis is currently associated with Gulf Research & Development Company, where he continues to innovate and contribute to advancements in coal filtration technologies. His work has been instrumental in developing methods that improve the efficiency and effectiveness of coal processing.

Collaborations

McGinnis has collaborated with various professionals in his field, including his coworker Norman L. Carr, to further enhance the research and development of filtration technologies.

Conclusion

Edgar L. McGinnis stands out as a key figure in the innovation of coal filtration processes, with a strong portfolio of patents that reflect his expertise and commitment to improving industrial practices. His contributions continue to influence the field and pave the way for future advancements.

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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