Growing community of inventors

Chagrin Falls, OH, United States of America

Karl E Axthelm

Average Co-Inventor Count = 2.47

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 = 20

Karl E AxthelmJames A Remington (7 patents)Karl E AxthelmPhillip R Merrifield (2 patents)Karl E AxthelmDaniel Voelkerding (1 patent)Karl E AxthelmJoseph A Martin (1 patent)Karl E AxthelmKarl E Axthelm (7 patents)James A RemingtonJames A Remington (36 patents)Phillip R MerrifieldPhillip R Merrifield (2 patents)Daniel VoelkerdingDaniel Voelkerding (7 patents)Joseph A MartinJoseph A Martin (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cleveland Track Material, Inc. (6 from 21 patents)

2. Cleveland Track Materials, Inc. (1 from 1 patent)


7 patents:

1. 8840035 - Movable bridge joint, associated support and rail bridge panel containing same

2. 8720793 - Movable bridge joint guard arrangement with replaceable guard plate insert

3. 8561916 - Movable bridge joint, associated support and rail bridge panel containing same

4. 8313041 - Rail brace assembly

5. 7641128 - Rail brace assembly

6. 6997419 - Adjustable gage plate assembly

7. 6517008 - Boltless adjustable rail brace assembly with external vertical restraint

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idiyas.com
as of
12/12/2025
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