Growing community of inventors

Hamilton, OH, United States of America

John M Christensen

Average Co-Inventor Count = 7.47

ph-index = 1

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 = 52

John M Christensen ↔ Richard Cartledge (2 patents)John M Christensen ↔ Hugh F Smisson, Iii (2 patents)John M Christensen ↔ Frederick John York (2 patents)John M Christensen ↔ Michael Lee Koltz, Jr (2 patents)John M Christensen ↔ Bradford J Rainier (2 patents)John M Christensen ↔ Jeffrey W Jerrell (2 patents)John M Christensen ↔ John M Iaconis (1 patent)John M Christensen ↔ Richard G Cartledge (0 patent)John M Christensen ↔ Hugh F Iii Smisson (0 patent)John M ChristensenJohn M Christensen (2 patents)Richard CartledgeRichard Cartledge (105 patents)Hugh F Smisson, IiiHugh F Smisson, Iii (37 patents)Frederick John YorkFrederick John York (26 patents)Michael Lee Koltz, JrMichael Lee Koltz, Jr (22 patents)Bradford J RainierBradford J Rainier (4 patents)Jeffrey W JerrellJeffrey W Jerrell (2 patents)John M IaconisJohn M Iaconis (2 patents)Richard G CartledgeRichard G Cartledge (0 patent)Hugh F Iii SmissonHugh F Iii Smisson (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Smisson-cartledge Biomedical LLC (2 from 18 patents)


2 patents:

1. 8662154 - Fluid heat exchanger

2. 7563248 - Infusion fluid heat exchanger and cartridge

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as of
12/20/2025
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