Growing community of inventors

Cambridge, NY, United States of America

Christopher W Callahan

Average Co-Inventor Count = 2.00

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 = 4

Christopher W CallahanJames F McElroy (2 patents)Christopher W CallahanWilliam F Smith (2 patents)Christopher W CallahanAlfred Meyer (2 patents)Christopher W CallahanRoderick Bennett (1 patent)Christopher W CallahanChristopher W Callahan (4 patents)James F McElroyJames F McElroy (73 patents)William F SmithWilliam F Smith (21 patents)Alfred MeyerAlfred Meyer (3 patents)Roderick BennettRoderick Bennett (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Infinity Fuel Cell and Hydrogen, Inc. (2 from 5 patents)

2. Other (1 from 832,843 patents)

3. University of Vermont and State Agricultural College (1 from 204 patents)


4 patents:

1. 9689819 - Electronic psychrometer and/or humidistat with low temperature and high humidity capability

2. 8715871 - Electrochemical cell

3. 8506787 - Electrochemical cell

4. 8332971 - Apparatus for supporting a person having enhanced portability and method of using same

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idiyas.com
as of
12/29/2025
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