For the Inventor, By the Inventor

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Watertown, MA, United States of America

Pulpdent Corporation

USPTO Granted Patents = 13

% Expired Patents = 15.4

EPO Patents = 1

Forward Citations = 88

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13 inventors (with patents filed for the assignee):

Kenneth J Berk (11 out of 15 patents)

Donald A Berk (6 out of 6 patents)

Fredrick M Berk (5 out of 5 patents)

4. Jan G Stannard (3 out of 4 patents)

5. Sunny Skaria (2 out of 6 patents)

6. Russell D Jenkins (1 out of 1 patent)

7. Paul E Winston (1 out of 1 patent)

8. Ronald B Wasserman (1 out of 1 patent)

9. Lawrence J Stanwich (1 out of 1 patent)

10. Frederick M Berk (1 out of 1 patent)

11. Anthony R Silvestri, Jr (1 out of 3 patents)

12. Kenneth Berk (1 out of 1 patent)

13. RuiQi Song (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 12185736 - Food compositions having allulose and mastic gum for enhanced health (2025-01-07),

2. 8735464 - Radically curable urethane dimethacrylates and compositions thereof for tougher dental prosthetics (2014-05-27),

3. 8535058 - Dental release agent and methods for its use (2013-09-17),

4. 8292625 - Radically curable urethane dimethacrylates and compositions thereof for tougher dental prosthetics (2012-10-23),

5. 7371782 - Polymerizable composite material (2008-05-13),

6. 7157502 - Polymerizable dental barrier material (2007-01-02),

7. 6797767 - Polymerizable composite material (2004-09-28),

8. 6595775 - Dental mirror (2003-07-22),

9. 6474989 - Dental mirror and protective mask with integral removal tab (2002-11-05),

10. 6159009 - Dental amalgam carrier with replaceable sleeves and cartridges (2000-12-12),

11. 6142777 - Disposable dental mirror (2000-11-07),

12. 6000535 - Disposable mixing wells (1999-12-14),

13. 5181755 - Small object handling device, assembly and method of manufacture (1993-01-26),

Pulpdent Corporation is a family-owned dental research and manufacturing company that provides high-quality dental products to professionals worldwide. With a commitment to innovation and excellence, Pulpdent has been leading the way in the dental industry for over 70 years. Their products are trusted by dentists for their effectiveness and reliability, making them a top choice for dental professionals seeking superior dental solutions.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

13 Patents

#32 in Watertown, MA

#1,441 in Massachusetts

#23,808 in US

#44,950 in the World

Watertown, MA, United States of America

Pulpdent Corporation

Forward Citations = 88

13 inventors:

Kenneth J Berk (11 out of 15 patents)

Donald A Berk (6 out of 6 patents)

Fredrick M Berk (5 out of 5 patents)

4. Jan G Stannard (3 out of 4 patents)

5. Sunny Skaria (2 out of 6 patents)

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