Growing community of inventors

Naperville, IL, United States of America

Ludger Koster

Average Co-Inventor Count = 1.20

ph-index = 2

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 = 10

Ludger KosterRalf Wohlbruck (1 patent)Ludger KosterLudger Koster (3 patents)Ralf WohlbruckRalf Wohlbruck (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Westfalia Separator Ag (3 from 201 patents)


3 patents:

1. 5775254 - Valve assembly for a milking machine

2. 5727504 - Milking stand

3. 5634428 - Device for removing a set of teat cups

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as of
12/19/2025
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