Growing community of inventors

Iserlohn, Germany

Dirk Quardt

Average Co-Inventor Count = 4.67

ph-index = 5

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 = 350

Dirk QuardtZbigniew Zborowski (2 patents)Dirk QuardtJörg Söfker (2 patents)Dirk QuardtReinhard Gottlieb Starzinger (2 patents)Dirk QuardtHans Peter Wintersteiger (2 patents)Dirk QuardtFriedel Wasserfuhr (2 patents)Dirk QuardtUdo Nieleck (2 patents)Dirk QuardtHarald Mundinger (2 patents)Dirk QuardtThomas Grossen (2 patents)Dirk QuardtVolker Grosch (2 patents)Dirk QuardtViktor Oster (1 patent)Dirk QuardtThorsten Behr (1 patent)Dirk QuardtAndreas Pape (1 patent)Dirk QuardtAndreas Metzger (1 patent)Dirk QuardtRoland Berg (1 patent)Dirk QuardtJurgen Brand (1 patent)Dirk QuardtHarald Grewe (1 patent)Dirk QuardtAndreas Scheib (1 patent)Dirk QuardtGerhard Weidinger (1 patent)Dirk QuardtAndreas Nordhoff (1 patent)Dirk QuardtWerner Neugebauer (1 patent)Dirk QuardtFrank Hannibal (1 patent)Dirk QuardtHolger Spelsberg (1 patent)Dirk QuardtWieland Schmidt (1 patent)Dirk QuardtAlfred Vrieling (0 patent)Dirk QuardtBernd Werkshagen (0 patent)Dirk QuardtLionel Demesy (0 patent)Dirk QuardtWalter Wirth (0 patent)Dirk QuardtElke Herbote (0 patent)Dirk QuardtHans-Dieter Overbeck (0 patent)Dirk QuardtPeter Heins (0 patent)Dirk QuardtHans Schulte (0 patent)Dirk QuardtDirk Quardt (7 patents)Zbigniew ZborowskiZbigniew Zborowski (2 patents)Jörg SöfkerJörg Söfker (2 patents)Reinhard Gottlieb StarzingerReinhard Gottlieb Starzinger (2 patents)Hans Peter WintersteigerHans Peter Wintersteiger (2 patents)Friedel WasserfuhrFriedel Wasserfuhr (2 patents)Udo NieleckUdo Nieleck (2 patents)Harald MundingerHarald Mundinger (2 patents)Thomas GrossenThomas Grossen (2 patents)Volker GroschVolker Grosch (2 patents)Viktor OsterViktor Oster (17 patents)Thorsten BehrThorsten Behr (11 patents)Andreas PapeAndreas Pape (6 patents)Andreas MetzgerAndreas Metzger (4 patents)Roland BergRoland Berg (4 patents)Jurgen BrandJurgen Brand (3 patents)Harald GreweHarald Grewe (2 patents)Andreas ScheibAndreas Scheib (1 patent)Gerhard WeidingerGerhard Weidinger (1 patent)Andreas NordhoffAndreas Nordhoff (1 patent)Werner NeugebauerWerner Neugebauer (1 patent)Frank HannibalFrank Hannibal (1 patent)Holger SpelsbergHolger Spelsberg (1 patent)Wieland SchmidtWieland Schmidt (1 patent)Alfred VrielingAlfred Vrieling (0 patent)Bernd WerkshagenBernd Werkshagen (0 patent)Lionel DemesyLionel Demesy (0 patent)Walter WirthWalter Wirth (0 patent)Elke HerboteElke Herbote (0 patent)Hans-Dieter OverbeckHans-Dieter Overbeck (0 patent)Peter HeinsPeter Heins (0 patent)Hans SchulteHans Schulte (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Guenther Spelsberg Gmbh & Co. Kg (4 from 4 patents)

2. Insta Elektro Gmbh (2 from 4 patents)

3. Other (1 from 832,812 patents)

4. Phoenix Contact Gmbh + Co. Kg (1 from 867 patents)

5. Phoenix Contact Gmbh & Co. (1 from 30 patents)

6. Keba Ag (37 patents)

7. Reis Gmbh & Co. Kg Maschinenfabrik (2 patents)

8. Günther Spelsberg Gmbh & Co. Kg (1 patent)


7 patents:

1. 8139335 - Protective circuit

2. 7864497 - Protective circuit

3. 7737355 - Electrical junction and joint box for a solar cell module

4. 7530837 - Electrical junction box for a solar cell module

5. 6733344 - Electronic device housing

6. 6679646 - Electronic housing system

7. 6155723 - Electronic input/output module

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as of
12/20/2025
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