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Zurich, Switzerland

Sika Ag, Vorm. Kaspar Winkler & Co.

USPTO Granted Patents = 32

CIPO Patents = 6

Trademarks = 28

Forward Citations = 564

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51 inventors (with patents filed for the assignee):

Theodor A Burge (12 out of 15 patents)

Ueli Sulser (6 out of 26 patents)

Jurg Widmer (6 out of 8 patents)

4. Franz Wombacher (5 out of 23 patents)

5. Theodor A Bürge (4 out of 8 patents)

6. Pierre-Andre Butikofer (3 out of 6 patents)

7. Peter W Merz (3 out of 12 patents)

8. Theodor Meyer (3 out of 3 patents)

9. Ulrich Sulser (3 out of 3 patents)

10. Beat Marazzani (2 out of 13 patents)

11. Ueli Pfenninger (2 out of 8 patents)

12. Urs Mäder (2 out of 8 patents)

13. Lutz Zabel (2 out of 4 patents)

14. Urs Mäder (2 out of 4 patents)

15. Anna Krapf-Huber (2 out of 2 patents)

32 patents: Sort by Forward Citations

1. 6767959 - Adhesives with good mechanical properties, suitable for use with antennas (2004-07-27),

2. 6514327 - Stabilized setting and hardening accelerator of low viscosity (2003-02-04),

3. 6402990 - Method for rehabilitative and/or protective corrosion-inhibition of reinforcing steel embedded in a hardened structure by means of surface-applied corrosion-inhibiting compositions (2002-06-11),

4. 6398866 - Method for the reduction of the degree of shrinkage of hydraulic binders (2002-06-04),

5. 6387176 - Multipurpose cement dispersing polymers for high flow and high strength concrete (2002-05-14),

6. 6319579 - Settable mixture and a method of manufacturing a sound insulating floor construction (2001-11-20),

7. 6290021 - Method of manufacturing a sandwich board and a sound insulating structure (2001-09-18),

8. 6149725 - Injection cement comprising corrosion inhibitors (2000-11-21),

9. 6136942 - Latent amino groups and isocyanate groups comprising polyurethane (2000-10-24),

10. 5919300 - Dispersing agent for high-flow or self-compacting concrete (1999-07-06),

11. 5916483 - Additive and a process for inhibiting the corrosion of metals in (1999-06-29),

12. 5894071 - Two-component adhesive-, sealing- or coating composition and it's use (1999-04-13),

13. 5877255 - Kind of polyhydroxyl compounds suitable for the polyurethane synthesis (1999-03-02),

14. 5633310 - Water-soluble copolymers of vinylacetate and maleamic acids and use as (1997-05-27),

15. 5605571 - Setting- and hardening-accelerator containing no chloride and nitrite (1997-02-25),

Sika AG is a specialty chemical company that develops, manufactures, and markets systems and products for bonding, sealing, damping, reinforcing, and protecting in the building sector and motor vehicle industry. The company offers a wide range of solutions for construction and industry, including concrete admixtures, specialty mortars, waterproofing systems, sealants and adhesives, roofing and flooring systems, and more. With a global presence in over 100 countries, Sika serves customers in various sectors such as construction, automotive, transportation, and manufacturing.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

32 Patents

#34 in Zurich

#403 in Switzerland

#20,037 in the World

Zurich, Switzerland

Sika Ag, Vorm. Kaspar Winkler & Co.

Forward Citations = 564

51 inventors:

Theodor A Burge (12 out of 15 patents)

Ueli Sulser (6 out of 26 patents)

Jurg Widmer (6 out of 8 patents)

4. Franz Wombacher (5 out of 23 patents)

5. Theodor A Bürge (4 out of 8 patents)

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