Growing community of inventors

Bonn, Germany

Hartmut Helm

Average Co-Inventor Count = 6.00

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 = 0

Hartmut Helm ↔ Marc Graaf (1 patent)Hartmut Helm ↔ Peter Heyl (1 patent)Hartmut Helm ↔ Toni Spies (1 patent)Hartmut Helm ↔ Heinrich Ittner (1 patent)Hartmut Helm ↔ Jiri Dvorsky (1 patent)Hartmut HelmHartmut Helm (1 patent)Marc GraafMarc Graaf (32 patents)Peter HeylPeter Heyl (23 patents)Toni SpiesToni Spies (12 patents)Heinrich IttnerHeinrich Ittner (1 patent)Jiri DvorskyJiri Dvorsky (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hanon Systems (1 from 774 patents)


1 patent:

1. 10712064 - Apparatus for separating and storing liquid refrigerant in refrigerant circuit

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as of
12/18/2025
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