Springfield, VA, United States of America

William N Drohan

This inventor holds 47 USPTO granted patents and 13 published patent applications, plus 2 CIPO patents and 3 EPO patents, primarily in Biopharmaceutical Innovations. Top assignees: American National Red Cross, Clearant, Inc., American Red Cross. Active years: 1989-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William N Drohan. Retrieved from https://idiyas.com/inventor/william-n-drohan

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

USPTO Granted Patents = 47 (Patent Applications = 13)

% Patents Active = 72.3

CIPO Patents = 2 (Patent Applications = 3)

EPO Patents = 3 (Patent Applications = 3)

Average Co-Inventor Count = 4.1

ph-index = 22

Forward Citations = 2,431(Granted Patents)

Location History:

Springfield, VA (US) (1989 - 2010)
Springfiled, VA (US) (2017)

Company Filing History:

18 out of 71

American National Red Cross

Rhone-Poulenc Rorer Pharmaceuticals Inc.

patents

5. 3 out of 3

Rorer Biotechnology Inc.

patents

6. 3 out of 824

Virginia Tech Intellectual Properties Inc.

patents

7. 2 out of 122

Scripps Clinic and Research Foundation

patents

8. 2 out of 2

The Coalition for Hemophilia B

patents

9. 2 out of 1,217

The United States of America as Represented by the Department of Health

patents

10. 2 out of 1,327

The University of North Carolina at Chapel Hill

patents

11. 1 out of 8

Amersham Pharmacia Biotech, Inc.

patents

12. 1 out of 1

Aptevo Biotherapeutics LLC

Maine Medical Center Research Institute

patents

15. 1 out of 15

Meloy Laboratories Inc.

Virginia Intellectual Property Division

patent

18. 7 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 1989-2017

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Areas of Expertise:

Biological Materials

Transgenic Mammals

Fibrin Matrix

Tissue Sealants

Sterilization Methods

Plasma Proteins

Thrombin Degradation

Human Coagulation Factors

Biomedical Materials

Chitin Hydrogels

Pathogen Inactivation

47 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9587008 - Method of producing recombinant vitamin K dependent proteins (2017-03-07),

2. 7848487 - Methods for sterilizing biological materials containing non-aqueous solvents (2010-12-07),

3. 7435869 - Transgenic nonhuman mammals producing fibrinogen in milk and methods of producing fibrin (2008-10-14),

4. 7419948 - Treatment of hemophilia with human Factor IX produced in mammary tissue of transgenic mammals (2008-09-02),

5. 7252799 - Methods for sterilizing preparations containing albumin (2007-08-07),

6. 7229959 - Supplemented fibrin matrix delivery systems (2007-06-12),

7. 7208179 - Methods for treating disease and forming a supplemented fibrin matrix (2007-04-24),

8. 7196054 - Methods for treating wound tissue and forming a supplemented fibrin matrix (2007-03-27),

9. 7189410 - Supplemented and unsupplemented tissue sealants, methods of their production and use (2007-03-13),

10. RE39321 - Supplemented and unsupplemented tissue sealants, methods of their production and use (2006-10-02),

11. RE39298 - Supplemented and unsupplemented tissue sealants, methods of their production and use (2006-09-18),

12. RE39192 - Supplemented and unsupplemented tissue sealants, methods of their production and use (2006-07-17),

13. 6984772 - Transgenic non-human mammals producing fibrinogen in their milk (2006-01-10),

14. 6982170 - Compositions, methods and kits relating to thrombin degradation resistant fibroblast growth factor-1 (2006-01-03),

15. 6946098 - Methods for sterilizing biological materials (2005-09-20),

Title: The Inventor William N Drohan: Pioneering Innovations in Springfield

Introduction: William N Drohan is a distinguished inventor based in Springfield, VA, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: William N Drohan holds several patents in the areas of technology, healthcare, and consumer products, showcasing his versatility and ingenuity in inventing solutions for everyday challenges.

Career Highlights: With a career spanning over two decades, William N Drohan has consistently pushed the boundaries of traditional thinking, leading to the development of cutting-edge technologies that have revolutionized industries.

Collaborations: Throughout his career, William N Drohan has collaborated with leading companies, research institutions, and universities to bring his inventions to life, demonstrating his ability to work effectively in multidisciplinary teams.

Conclusion: William N Drohan's passion for innovation and his relentless pursuit of excellence have established him as a visionary inventor whose impact will continue to be felt for years to come.

Profile summary based on public USPTO records.