Growing community of inventors

Westphalia, Germany

Cristian Siems

Average Co-Inventor Count = 3.00

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

Cristian SiemsWilliam Harrington (7 patents)Cristian SiemsKai Hirsch (7 patents)Cristian SiemsCristian Siems (7 patents)William HarringtonWilliam Harrington (84 patents)Kai HirschKai Hirsch (27 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Unger Marketing International, LLC (7 from 223 patents)


7 patents:

1. D1085605 - Extendable window cleaning tool

2. D1085606 - Extendable window cleaning tool

3. D1008582 - Pole connection for a window cleaning tool

4. D1007793 - Pole connection for a window cleaning tool

5. D981222 - Clamp for an extendable pole

6. D976506 - Pole connection for a window cleaning tool

7. D973989 - Extendable window cleaning tool

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as of
12/18/2025
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