Growing community of inventors

Omaha, NE, United States of America

Ralph E Cummings

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 = 1

Ralph E CummingsDenis R Brzezinski (1 patent)Ralph E CummingsRalph E Cummings (1 patent)Denis R BrzezinskiDenis R Brzezinski (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Railcar Specialties, Inc. (1 from 3 patents)


1 patent:

1. 4683678 - Adjustable railway boxcar door

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12/15/2025
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