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Kleingiesshübel, Germany

Volkmar Hopfe

USPTO Granted Patents = 3

EPO Patents = 4 (Patent Applications = 2)

Average Co-Inventor Count = 4.1

ph-index = 1

Forward Citations = 6(Granted Patents)

Location History:

Kleingiesshübel, DE (2006 - 2009)
Kleingiesshuebel, DE (2012)

Company Filing History:

Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

Centrotherm Elektrische Anlagen Gmbh & Co.

Centrotherm Photovoltaics Ag

where one patent can have more than one assignee

Years Active: 2006-2012

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8211323 - Method for the removal of doped surface layers on the back faces of crystalline silicon solar wafers (2012-07-03),

2. 7525664 - Device and method for optical detecting substances contained in waste gases of chemical processes (2009-04-28),

3. 7014824 - Method for purifying process waste gases (2006-03-21),

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