Growing community of inventors

Jonkoping, Sweden

Roy B Holmberg

Average Co-Inventor Count = 1.00

ph-index = 3

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 = 64

Roy B HolmbergRoy B Holmberg (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Aktiebolaget Svenska Flaktfabriken (3 from 42 patents)

2. Flakt Aktiebolag (1 from 31 patents)


4 patents:

1. D300771 - Plate heat exchanger

2. D254506 - Corrugated metal sheet contact body for humidifiers

3. D254207 - Corrugated metal sheet contact body for humidifiers

4. 4139584 - Contact body for liquid and gas

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