Growing community of inventors

St. Louis, MO, United States of America

Michael J Kerwin

Average Co-Inventor Count = 1.86

ph-index = 9

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 = 306

Michael J KerwinAlan B Ranford (4 patents)Michael J KerwinDaniel A Talonn (3 patents)Michael J KerwinJacky S Yam (3 patents)Michael J KerwinKeith G Korte (3 patents)Michael J KerwinTheodore J Klefisch, Jr (3 patents)Michael J KerwinPaul Martin Kempen (2 patents)Michael J KerwinGlenn Fournie (1 patent)Michael J KerwinRichard Fiser (1 patent)Michael J KerwinLoren Lantz (1 patent)Michael J KerwinJames Walls (1 patent)Michael J KerwinLee C Burnes (1 patent)Michael J KerwinRichard L Fiser (1 patent)Michael J KerwinJerry W Olive (1 patent)Michael J KerwinMichael J Kerwin (13 patents)Alan B RanfordAlan B Ranford (47 patents)Daniel A TalonnDaniel A Talonn (22 patents)Jacky S YamJacky S Yam (21 patents)Keith G KorteKeith G Korte (7 patents)Theodore J Klefisch, JrTheodore J Klefisch, Jr (3 patents)Paul Martin KempenPaul Martin Kempen (3 patents)Glenn FournieGlenn Fournie (26 patents)Richard FiserRichard Fiser (22 patents)Loren LantzLoren Lantz (4 patents)James WallsJames Walls (1 patent)Lee C BurnesLee C Burnes (1 patent)Richard L FiserRichard L Fiser (1 patent)Jerry W OliveJerry W Olive (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sherwood Medical Company (6 from 247 patents)

2. Other (3 from 833,002 patents)

3. Sherwood Services Ag (3 from 268 patents)

4. Louisiana State University and Agricultural & Mechanical College (1 from 825 patents)


13 patents:

1. 10996167 - Container with luminescent sunscreen and closure with illuminator

2. 6619837 - Probe cover with lubrication well

3. 6585697 - Blunt tip cannula with access pin

4. 6494864 - Inner lumen anti-free flow device

5. 6206858 - Blunt tip cannula with access pin

6. 5957894 - Intravenous connection clip

7. 5736098 - Method for a servicing fluid disposal system

8. 5637103 - Fluid collection and disposal system

9. 5449009 - Fluid disposal system

10. 4963135 - Floatation chamber for use in a chest drainage device

11. 4911697 - Chest drainage unit having increased airflow capacity with capability to

12. 4813926 - Medical suction device with air vent and fixed restrictor

13. 4769019 - Drainage apparatus

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as of
1/20/2026
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