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For the Inventor, By the Inventor

Indianapolis, IN, United States of America

William Pfeifer

This inventor holds 10 USPTO granted patents. Top assignee: Eli Lilly and Company. Active years: 1976-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William Pfeifer. Retrieved from https://idiyas.com/inventor/william-pfeifer-e13qg5s1

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 = 4.0

ph-index = 5

Forward Citations = 113(Granted Patents)


Company Filing History:

goldMedal10 out of 4,509 
 
Eli Lilly and Company
 patents

Years Active: 1976-1997

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10 patents (USPTO):Explore Patents
1. 5693633 - Angiotensin II antagonists (1997-12-02),
2. 5612360 - Angiotensin II antagonists (1997-03-18),
3. 5569768 - Angiotensin II antagonists (1996-10-29),
4. 5556981 - Angiotensin II antagonist intermediates (1996-09-17),
5. 5484780 - Angiotensin II antagonists (1996-01-16),
6. 5401851 - Angiotensin II antagonists (1995-03-28),
7. 4552982 - Synthesis of 9-carbamoyl-9-(3-aminopropyl)fluorenes (1985-11-12),
8. 4301313 - Halogenated ethynyl biphenyls (1981-11-17),
9. 4226887 - Anti-inflammatory agents (1980-10-07),
10. 3991212 - Anti-inflammatory agents (1976-11-09),

Title: Innovator Spotlight: William Pfeifer of Eli Lilly and Company

Introduction: William Pfeifer, based in Indianapolis, IN, is a distinguished inventor with a remarkable portfolio of ten patents. His work primarily revolves around advancements in pharmaceuticals, particularly in the field of cardiovascular treatments. With a dedication to innovation, Pfeifer has been a significant contributor to his field.

Latest Patents: Notably, Pfeifer’s latest patents focus on Angiotensin II antagonists. These inventions provide novel heterocyclic derivatives and their pharmaceutical formulations that are effective for antagonizing angiotensin II receptors in mammals. This groundbreaking work not only showcases Pfeifer's inventiveness but also his commitment to improving health outcomes through advanced research.

Career Highlights: Throughout his career, William Pfeifer has consistently demonstrated excellence in drug formulation and innovation. His position at Eli Lilly and Company, a leading global pharmaceutical firm, has enabled him to contribute to significant advancements in medical science. His expertise is reflected in the patented inventions that address critical health issues.

Collaborations: Pfeifer has collaborated with notable coworkers, including Winston S. Marshall and Donald B. Boyd, sharing ideas and insights that have proven essential to his innovative projects. These collaborations highlight the importance of teamwork in the field of research and development.

Conclusion: William Pfeifer is not just an inventor; he is a pioneer in the pharmaceutical industry whose contributions continue to shape the future of medical treatments. His work with Angiotensin II antagonists exemplifies the impact of innovation in healthcare, and his legacy as an inventor remains strong within the community. With a vibrant career at Eli Lilly and Company, Pfeifer is an inspiration to aspiring inventors everywhere.

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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