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Rolf Janssen — 3 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
U.S. Philips: 1 patents #4,149 of 8,851Top 50%
Hamburg, DE: #1,413 of 5,803 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Rolf Janssen has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1986 and the most recent in June 2003. Rolf Janssen ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Rolf Janssen in Hamburg, DE.

Patents per Year

Patents granted per year, 1986 to 2003Bar chart with a peak of 1 patents in 1986.peak 11986: 1 patents19862000: 1 patents20002003: 1 patents2003

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6573210 Metal-ceramic formed body and process for producing it Nils Claussen, Silvia Schicker, Daniel Garcia 2003-06-03
6025065 Production of an aluminide containing ceramic moulding Nils Claussen, Daniel Garcia 2000-02-15
4598055 Method of manufacturing ceramic sintered bodies Detlev Hennings, Piet Reijnen 1986-07-01 $1,285,000

Frequent Collaborators

Nils Claussen2 shared
Daniel Garcia2 shared
Detlev Hennings1 shared
Piet Reijnen1 shared
Silvia Schicker1 shared

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Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3