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For the Inventor, By the Inventor

Bioggio, Switzerland

Kerrhawe Sa

Calculating rank
USPTO Granted Patents = 14

% Expired Patents = 42.9


Forward Citations = 105

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13 inventors (with patents filed for the assignee):

goldMedal Beat Kilcher (13 out of 20 patents)

silverMedal Marco Da Rold (7 out of 7 patents)

bronzeMedal Beat A Von Weissenfluh (3 out of 17 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:

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),
Company Overview
Kerrhawe Sa, based in Bioggio, Switzerland, specializes in the development and manufacturing of high-quality dental products and solutions. The company focuses on innovative technologies that enhance dental care, including materials for restorative dentistry, endodontics, and dental instruments. With a commitment to quality and precision, Kerrhawe Sa serves dental professionals globally, contributing to advancements in oral health and patient care through its extensive portfolio of products and research initiatives.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

14 Patents

#1 in Bioggio

#889 in Switzerland

#42,384 in the World

Bioggio, CH
Bioggio, Switzerland

Kerrhawe Sa

Forward Citations = 105

13 inventors:

goldMedal Beat Kilcher (13 out of 20 patents)

silverMedal Marco Da Rold (7 out of 7 patents)

bronzeMedal Beat A Von Weissenfluh (3 out of 17 patents)

4.  Felix Aschmann (2 out of 22 patents)

5.  Patrizia Balmelli (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kerrhawe Sa. Retrieved from https://idiyas.com/company/kerrhawe-sa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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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