% Expired Patents = 37.5

CIPO Patents = 1

EPO Patents = 3

Forward Citations = 69

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9 inventors (with patents filed for the assignee):

Bruno Vonlanthen (4 out of 5 patents)

Ernst Keller (4 out of 25 patents)

Urs Oechslin (3 out of 3 patents)

4. Martin Spycher (2 out of 2 patents)

5. Marcel Kölliker (2 out of 5 patents)

6. Dieter Peier (2 out of 2 patents)

7. Urs Späni (1 out of 3 patents)

8. Samuel Schindler (1 out of 2 patents)

9. Kurt Ehrat (1 out of 14 patents)

8 patents: Sort by Forward Citations

1. D678038 - Security key (2013-03-19),

2. 8186192 - Electromechanical rotary lock cylinder (2012-05-29),

3. 7987687 - Electromechanical rotary lock cylinder (2011-08-02),

4. 7591160 - Electromechanical lock cylinder (2009-09-22),

5. D588438 - Cap for a security key (2009-03-17),

6. D543090 - Combined security key and cap (2007-05-22),

7. 7181937 - Locking cylinder (2007-02-27),

8. 4030325 - Lock (1977-06-21),

Keso Ag is a leading agricultural company specializing in the production and distribution of high-quality dairy products. With a strong focus on sustainability and innovation, Keso Ag is committed to providing customers with fresh, nutritious products that meet the highest industry standards. From milk to cheese and other dairy products, Keso Ag is dedicated to delivering excellence in every aspect of its operations.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

8 Patents

#2 in Richterswil

#1,220 in Switzerland

Richterswil, Switzerland

Keso Ag

Forward Citations = 69

9 inventors:

Bruno Vonlanthen (4 out of 5 patents)

Ernst Keller (4 out of 25 patents)

Urs Oechslin (3 out of 3 patents)

4. Martin Spycher (2 out of 2 patents)

5. Marcel Kölliker (2 out of 5 patents)

Please report any incorrect information to [email protected]

1 patent (CIPO):

Please report any incorrect information to [email protected]

3 patents (EPO):

Please report any incorrect information to [email protected]