Growing community of inventors

Overland Park, KS, United States of America

Henry F Ninstil

Average Co-Inventor Count = 1.50

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 = 5

Henry F Ninstil ↔ Stefan T Pendrick (1 patent)Henry F Ninstil ↔ Robert V Norby (1 patent)Henry F NinstilHenry F Ninstil (2 patents)Stefan T PendrickStefan T Pendrick (4 patents)Robert V NorbyRobert V Norby (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Holland Company LP (2 from 46 patents)


2 patents:

1. 5791033 - Railroad car truck spring jack

2. D365429 - Push-pull frame for rail welding power equipment

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12/12/2025
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