1. Icor Ab (4 from 4 patents)

2. Gambro Engstrom Ab (3 from 8 patents)

3. Siemens Aktiengesellschaft (2 from 30,061 patents)

4. Minco Ab (2 from 2 patents)

5. The Boc Group, Inc. (1 from 1,024 patents)

6. Siemens Elema Ab (1 from 211 patents)

7. Engstrom Medical Aktiebolag (1 from 3 patents)

8. Seebreath Ab (1 from 1 patent)

9. Sensebreath Ab (0 patent)

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