For the Inventor, By the Inventor

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Bioggio, Switzerland

Kerrhawe Sa

USPTO Granted Patents = 14

% Expired Patents = 42.9

EPO Patents = 4

Forward Citations = 105

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13 inventors (with patents filed for the assignee):

Beat Kilcher (13 out of 20 patents)

Marco Da Rold (7 out of 7 patents)

Beat A Von Weissenfluh (3 out of 11 patents)

4. Felix Aschmann (2 out of 22 patents)

5. Patrizia Balmelli (2 out of 2 patents)

6. Gert Ulrich Silber (2 out of 3 patents)

7. Antony Quarry (1 out of 5 patents)

8. Vahik Krikorian (1 out of 4 patents)

9. Marco DaRold (1 out of 1 patent)

10. Valerie Boscherini-DaSilva (1 out of 1 patent)

11. Luca Pedrinis (1 out of 1 patent)

12. Rolf M Klauser (1 out of 2 patents)

13. Anthony Quarry (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 9452027 - Dental composite applicator and related methods (2016-09-27),

2. 8992224 - Scanning polymerization of dental material (2015-03-31),

3. 8518380 - Prophylactic cleaning product and method of packaging (2013-08-27),

4. 8011924 - Clamping cord with polymeric wedge component, and method of affixation (2011-09-06),

5. D624998 - Dental dam (2010-10-05),

6. D611592 - Dental dam (2010-03-09),

7. 7648361 - Dental dam clamp (2010-01-19),

8. 7332150 - Abrasive component for a cleaning agent in a cleaning product intended for use on delicate surfaces, especially on teeth (2008-02-19),

9. 7331788 - Clamping cord with polymeric wedge component, and method of affixation (2008-02-19),

10. 7195395 - Dental sensor clamp (2007-03-27),

11. 7077652 - Cheek and lip retractor for dentistry (2006-07-18),

12. 6905244 - Holder for digital sensors for dentistry (2005-06-14),

13. 6761562 - Interdental wedge (2004-07-13),

14. 6576225 - Dental care composition (2003-06-10),

KerrHawe SA is a global dental products company. We specialize in providing innovative and high-quality dental instruments, materials, and solutions to dentists and dental professionals worldwide. With a focus on research and development, we continuously strive to improve dental care and enhance patient outcomes. Visit our website to explore our range of products and learn more about our commitment to oral health.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

14 Patents

#1 in Bioggio

#888 in Switzerland

#42,168 in the World

Bioggio, Switzerland

Kerrhawe Sa

Forward Citations = 105

13 inventors:

Beat Kilcher (13 out of 20 patents)

Marco Da Rold (7 out of 7 patents)

Beat A Von Weissenfluh (3 out of 11 patents)

4. Felix Aschmann (2 out of 22 patents)

5. Patrizia Balmelli (2 out of 2 patents)

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