Growing community of inventors

Oldenburg, Germany

Rolf Bertram

Average Co-Inventor Count = 3.00

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 = 5

Rolf BertramBruno Stenzel (2 patents)Rolf BertramMartin Koepsell (2 patents)Rolf BertramRolf Bertram (2 patents)Bruno StenzelBruno Stenzel (12 patents)Martin KoepsellMartin Koepsell (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Johnson Electric Oldenburg Gmbh & Co. Kg (1 from 1 patent)

2. Saia-burgess Oldenburg Gmbh & Co., Kg (1 from 1 patent)


2 patents:

1. 9589740 - Switch contact with a weight-reduced contact spring

2. 8053693 - Switch contact with a weight-reduced contact spring

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12/20/2025
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