Growing community of inventors

Mishawaka, IN, United States of America

Eric Ludwick

Average Co-Inventor Count = 1.14

ph-index = 3

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 = 50

Eric LudwickEric J Johanson (1 patent)Eric LudwickEric Ludwick (4 patents)Eric J JohansonEric J Johanson (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (3 from 832,912 patents)

2. Quantum Marine Incorporated (1 from 1 patent)

3. Ludwick, Eric (0 patent)


4 patents:

1. 12275500 - Pontoon boat

2. 8474871 - Vehicle frame

3. 8267455 - Expandable trailer

4. 7644971 - Expandable motor home

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as of
1/12/2026
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