For the Inventor, By the Inventor

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Los Angeles, CA, United States of America

Dentsply Research & Development Corp.

USPTO Granted Patents = 217

Trademarks = 127

Forward Citations = 6,501

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181 inventors (with patents filed for the assignee):

Paul D Hammesfahr (23 out of 35 patents)

Donald I Gonser (20 out of 21 patents)

Louis H Tateosian (16 out of 18 patents)

4. Steven R Jefferies (14 out of 31 patents)

5. Chin-Teh Huang (13 out of 13 patents)

6. Kewang Lu (10 out of 12 patents)

7. Robert V Hare (9 out of 10 patents)

8. George E Warrin (8 out of 15 patents)

9. Richard H Paschke (7 out of 16 patents)

10. Andrew Murray Lichkus (7 out of 21 patents)

11. Gordon Brian Blackwell (7 out of 17 patents)

12. Richard E Welsh (7 out of 7 patents)

13. Emery W Dougherty (6 out of 6 patents)

14. Barry D Dehoff (6 out of 6 patents)

15. John J Blair (6 out of 6 patents)

Core Competencies:

Dental Prosthesis

Hydrogel Dental Adhesive

Polyvinylsiloxane Impression Material

Ultrasonic Scaler

Dental Composite Restorative Material

Tooth Whitening Material

Dental X-Ray Equipment

Abrasive Powders

Prosthetic Teeth

Dental Material Packaging

Custom Fitting Dental Impression Tray

Air Abrasion System

217 patents: Sort by Forward Citations

1. 7024770 - Method of making a dental product (2006-04-11),

2. 6918765 - Hydrogel dental adhesive composition, product, system, method and dispenser (2005-07-19),

3. 6855278 - Process of making a dental prosthesis (2005-02-15),

4. 6843654 - Dental prosthesis (2005-01-18),

5. 6799969 - Wax-like polymerizable dental material, method and shaped product (2004-10-05),

6. 6783810 - Reducing polymerization stress by controlled segmental curing (2004-08-31),

7. 6705862 - Advanced buccal tube (2004-03-16),

8. 6696507 - Dental composite restorative material and method of restoring a tooth (2004-02-24),

9. 6685923 - Tooth whitening material and method of whitening teeth (2004-02-03),

10. 6619957 - Ultrasonic scaler (2003-09-16),

11. 6612465 - Multi-component mixing storage and dispensing device (2003-09-02),

12. 6592369 - Wax-like polymerizable dental material, method and shaped product (2003-07-15),

13. 6571992 - Dispensing syringe (2003-06-03),

14. 6561807 - Polyvinylsiloxane impression material (2003-05-13),

15. 6553095 - Automatic exposure control for dental panoramic and cephalographic x-ray equipment (2003-04-22),

Dentsply Research & Development Corp. is a leading dental solutions company focused on research, development, and innovation. They specialize in creating advanced dental technologies and products to improve oral health and enhance patient care. With a commitment to excellence and a global presence, Dentsply R&D Corp. continues to drive the future of dental care through pioneering research and development efforts.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

217 Patents

#8 in Los Angeles, CA

#422 in California

#1,852 in US

#3,818 in the World

Los Angeles, CA, United States of America

Dentsply Research & Development Corp.

Forward Citations = 6,501

181 inventors:

Paul D Hammesfahr (23 out of 35 patents)

Donald I Gonser (20 out of 21 patents)

Louis H Tateosian (16 out of 18 patents)

4. Steven R Jefferies (14 out of 31 patents)

5. Chin-Teh Huang (13 out of 13 patents)

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