William B Dragan

This inventor holds 81 USPTO granted patents and 5 published patent applications, plus 2 CIPO patents and 3 EPO patents, primarily in Dental Materials (CPC class 433 90). Top assignees: Centrix Inc., Other. Active years: 1976-2025.

USPTO Granted Patents = 81 (Patent Applications = 5)

% Patents Active = 90.1

CIPO Patents = 2 (Patent Applications = 4)

EPO Patents = 3 (Patent Applications = 4)

Average Co-Inventor Count = 1.3

ph-index = 28

Forward Citations = 2,033(Granted Patents)

Forward Citations (Not Self Cited) = 1,891(Dec 10, 2025)

Inventors with similar research interests:

Dan E Fischer

Location History:

Fairfield, CT (US) (1976 - 1985)
Easton, CT (US) (1984 - 2016)

Company Filing History:

52 out of 120

Centrix Inc.

patents

23 out of 834,307

Other

patents

where one patent can have more than one assignee

Years Active: 1976-2025

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Areas of Expertise:

Dental Anesthetic

Tissue Retraction

Applicator Device

Dental Capsule

Material Placement

Fluid Absorption

Bite Block

Unit Dose System

Disposable Applicator

Gingival Tissue

High Viscosity

Low Viscosity

81 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12508368 - Dental anesthetic buffering system (2025-12-30),

2. 9301915 - Protective wax for bleached teeth (2016-04-05),

3. 8753613 - Dental retraction material having enhanced fluid absorption (2014-06-17),

4. 8535056 - Dental bite block (2013-09-17),

5. 8470905 - Gingival tissue retraction device and method (2013-06-25),

6. D666722 - Dental bite block (2012-09-04),

7. 8182264 - Dental unilateral bite block (2012-05-22),

8. 8118595 - Conforming gingiva retraction compression cap and method of retracting tissue around a tooth (2012-02-21),

9. D642267 - Dental unilateral bite block (2011-07-26),

10. 7942669 - Gingival tissue retraction device and method (2011-05-17),

11. 7882588 - Disposable dental applicator (2011-02-08),

12. 7341452 - Dental material container with porous flow through applicator (2008-03-11),

13. 7241143 - Preloaded dental dam and method for gingival tissue retraction (2007-07-10),

14. 7195483 - Method and device for the retraction and hemostasis of tissue during crown and bridge procedures (2007-03-27),

15. 7189075 - Method and device for the retraction and hemostasis of tissue during crown and bridge procedures (2007-03-13),

Title: The Inventor William B Dragan: Pioneering Innovations in Easton, CT

Introduction: William B Dragan is a distinguished inventor based in Easton, CT, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: William B Dragan 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 B Dragan has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing unique solutions to address them. His inventions have not only improved efficiency but have also enhanced the quality of life for many individuals.

Collaborations: Throughout his career, William B Dragan has collaborated with leading companies, research institutions, and universities to bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of many projects.

Conclusion: In conclusion, William B Dragan's passion for innovation and his dedication to creating impactful solutions have solidified his reputation as a prominent inventor in Easton, CT, and beyond. His continued commitment to pushing the boundaries of what is possible ensures that his legacy will endure for years to come.