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Grieshaber & Co Ag Schaffhausen

USPTO Granted Patents = 21

Forward Citations = 1,940

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16 inventors (with patents filed for the assignee):

Hans Rudolf Grieshaber (11 out of 17 patents)

Werner Maag (5 out of 8 patents)

Heinz Etter (5 out of 7 patents)

4. Urs Vogel (4 out of 11 patents)

5. Robert Christopher Stegmann (4 out of 11 patents)

6. Rudolf Demmerle (4 out of 4 patents)

7. Christophe Apotheloz (4 out of 4 patents)

8. Jürg Attinger (1 out of 6 patents)

9. Hansgeorg Schaaf (1 out of 5 patents)

10. Kazuaki Kadonosono (1 out of 2 patents)

11. Jürg Attinger (1 out of 2 patents)

12. Gerhard Althoff (1 out of 1 patent)

13. Lorenz Egli (1 out of 1 patent)

14. M D Robert Stegmann (1 out of 1 patent)

15. Robert Stagmann (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 6855156 - Ophthalmic microsurgical instrument (2005-02-15),

2. 6764439 - Device for improving drainage of the aqueous humor within the eye of a living being (2004-07-20),

3. 6726676 - Method of and device for improving the flow of aqueous humor within the eye (2004-04-27),

4. 6561974 - Device for use in a surgical procedure on an eye of a living being, and method of retracting the iris (2003-05-13),

5. 6527736 - Device for use in ophthalmologic procedures (2003-03-04),

6. D465279 - Ophthalmologic surgical instrument (2002-11-06),

7. D463555 - Ophthalmologic surgical instrument (2002-09-25),

8. D460185 - Ophthalmologic surgical instrument (2002-07-10),

9. D456077 - Surgical instrument (2002-04-24),

10. 6375642 - Method of and device for improving a drainage of aqueous humor within the eye (2002-04-23),

11. 6332866 - Iris retractor for use in surgical procedure on the eye of a living being (2001-12-25),

12. 6149274 - Method of and apparatus for focusing a light flux (2000-11-21),

13. 5807401 - Ophthalmic surgical apparatus for pulverizing and removing the lens (1998-09-15),

14. 5716328 - Iris retractor for use in surgical procedure on the eye of a living being (1998-02-10),

15. 5693062 - Ophthalmic surgical apparatus for macerating and removing the lens (1997-12-02),

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USPTO Data Jan 1 1976 - Dec 16 2025

21 Patents

#37 in

#568 in Switzerland

#29,047 in the World