Growing community of inventors

Saltsjo-Duvnas, Sweden

Dag Landvik

Average Co-Inventor Count = 1.30

ph-index = 11

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 450

Dag LandvikMichael B Allaway (5 patents)Dag LandvikAage Kristiansen (1 patent)Dag LandvikDag Landvik (13 patents)Michael B AllawayMichael B Allaway (5 patents)Aage KristiansenAage Kristiansen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tempur World, Inc. (5 from 49 patents)

2. Tempur-pedic Management, LLC (4 from 74 patents)

3. Dan-foam A/s (3 from 4 patents)

4. Fagerdala World Foams Ab (1 from 1 patent)


13 patents:

1. 8034445 - Laminated visco-elastic support

2. 8025964 - Laminated visco-elastic support

3. 7979374 - Product demonstration system and method for using the same

4. 7555615 - Product demonstration system and method for using same

5. 7507468 - Laminated visco-elastic support

6. 6866915 - Cushion

7. 6733083 - Seat, especially for a vehicle

8. 6602579 - Cushion

9. 6541094 - Laminated visco-elastic support

10. D466750 - Cushion

11. D456660 - Contoured head pillow

12. D456659 - Cushion

13. 6159574 - Laminated visco-elastic support

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as of
12/31/2025
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