Dirk Holtkamp — 4 Patents at Unknown

Dirk Holtkamp has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 2007 and the most recent in October 2012. Dirk Holtkamp ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Dirk Holtkamp in Aurich, DE.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
8294291	Turbine for a hydroelectric power station	Rolf Rohden	2012-10-23
8215255	Ship rudder and ship provided therewith	Aloys Wobben, Rolf Rohden	2012-07-10
D580844	Ship	Rolf Rohden, Thomas Bohlen	2008-11-18
D536657	Ship	Rolf Rohden	2007-02-13

Dirk Holtkamp — 4 Patents

Issued Patents All Time

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