Growing community of inventors

Mountaintop, PA, United States of America

Eric C Johnson

Average Co-Inventor Count = 2.12

ph-index = 4

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 = 44

Eric C JohnsonJeffrey C Olson (3 patents)Eric C JohnsonBradley J Carlson (3 patents)Eric C JohnsonRobert R Steele (2 patents)Eric C JohnsonRichard M Rohmer (1 patent)Eric C JohnsonJames A Caryl (1 patent)Eric C JohnsonEric C Johnson (6 patents)Jeffrey C OlsonJeffrey C Olson (50 patents)Bradley J CarlsonBradley J Carlson (16 patents)Robert R SteeleRobert R Steele (14 patents)Richard M RohmerRichard M Rohmer (49 patents)James A CarylJames A Caryl (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pass + Seymour, Inc. (3 from 377 patents)

2. Metro Industries, Incorporated (3 from 86 patents)


6 patents:

1. 6250843 - Trim assembly for use with a flanged support post

2. 615883 - Lock assembly

3. 6158830 - Lock assembly

4. D406820 - Switch operator with interlock mechanism

5. 5880420 - Switch operator with interlock mechanism

6. D341788 - Wall-mounted passive infra-red presence detector

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as of
12/5/2025
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