David E Clarke

This inventor holds 11 USPTO granted patents. Top assignees: Lever Brothers Company, Unilever Home and Personal Care USA, Division of Conopco, Inc.. Active years: 1980-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David E Clarke. Retrieved from https://idiyas.com/inventor/david-e-clarke

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 9

Forward Citations = 266(Granted Patents)

Location History:

Merseyside, GB (1982 - 1985)
Wirral, GB (1980 - 2001)
Bromborough, GB (1984 - 2001)

Company Filing History:

9 out of 1,003

Lever Brothers Company

patents

2 out of 755

Unilever Home and Personal Care USA, Division of Conopco, Inc.

patents

Years Active: 1980-2001

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6303565 - Method of stabilizing fabric softening compositions (2001-10-16),

2. 6251850 - Fabric softening compositions containing emulsified silicone (2001-06-26),

3. 4759868 - General-purpose cleaning composition (1988-07-26),

4. 4741853 - Solid bleaching block (1988-05-03),

5. 4555354 - Detergents products (1985-11-26),

6. 4554099 - Opaque general-purpose cleaning composition comprising alcohol (1985-11-19),

7. 4508635 - General-purpose cleaning composition comprising nonionic surfactant and (1985-04-02),

8. 4448704 - Article suitable for wiping hard surfaces (1984-05-15),

9. 4348293 - Water-insoluble, water-permeable bag having a water-soluble or (1982-09-07),

10. 4196093 - Production of detergent compositions (1980-04-01),

11. 4188304 - Detergent composition in a water-insoluble bag having a water-sensitive (1980-02-12),

Title: The Innovative Contributions of David E Clarke

Introduction

David E Clarke is a notable inventor based in Wirral, GB. He has made significant contributions to the field of fabric softening compositions, holding a total of 11 patents. His work has had a lasting impact on the industry, showcasing his expertise and innovative spirit.

Latest Patents

Among his latest patents are the "Method of Stabilizing Fabric Softening Compositions" and "Fabric Softening Compositions Containing Emulsified Silicone." These inventions reflect his commitment to improving product performance and consumer satisfaction.

Career Highlights

David has had a distinguished career, working with prominent companies such as Lever Brothers Company and Unilever Home and Personal Care USA, a division of Conopco, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas.

Collaborations

Throughout his career, David has collaborated with talented individuals, including James F Davies and John B Tune. These partnerships have contributed to the success of his inventions and the advancement of the industry.

Conclusion

David E Clarke's contributions to the field of fabric softening compositions demonstrate his innovative mindset and dedication to improving everyday products. His patents and collaborations highlight the importance of creativity and teamwork in driving progress.

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]