Growing community of inventors

Export, PA, United States of America

Charles F Hofmann

Average Co-Inventor Count = 4.00

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 = 12

Charles F HofmannJeffry R Meyer (1 patent)Charles F HofmannJohn S Billings, Jr (1 patent)Charles F HofmannHarvey E Spindle (1 patent)Charles F HofmannCharles F Hofmann (1 patent)Jeffry R MeyerJeffry R Meyer (19 patents)John S Billings, JrJohn S Billings, Jr (5 patents)Harvey E SpindleHarvey E Spindle (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)


1 patent:

1. 4401841 - Explosion resistant insulator and method of making same

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12/19/2025
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