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Home › Degussa Ag › Alan Parkhouse
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Alan Parkhouse — 3 Patents

DADegussa Ag: 2 patents #606 of 2,007Top 35%
DADegussa-Huels Ag: 1 patents #156 of 473Top 35%
Wesseling, DE: #20 of 88 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Alan Parkhouse has been granted 3 US patents while listed as an inventor at Degussa Ag. The first was granted in 1985 and the most recent in September 2000. Alan Parkhouse ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Alan Parkhouse in Wesseling, DE.

Patents per Year

Patents granted per year, 1985 to 2000Bar chart with a peak of 1 patents in 1985.peak 11985: 1 patents19851987: 1 patents19872000: 1 patents2000

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6123762 Low-dust, well dispersible granulates based on silicate fillers modified with organosilicon compounds Thomas Barthel, Udo Gorl, Kurt Eichenauer 2000-09-26
4704414 Surface modified synthetic, silicatic filler, a process for its production and its use Dieter Kerner, Peter Kleinschmit, Siegfried Wolff 1987-11-03
4514231 Natural oxidic or silicate filler modified on the surface, a process for its production Dieter Kerner, Peter Kleinschmit, Siegfried Wolff 1985-04-30

Frequent Collaborators

Dieter Kerner2 shared
Siegfried Wolff2 shared
Peter Kleinschmit2 shared
Thomas Barthel1 shared
Udo Gorl1 shared
Kurt Eichenauer1 shared

Nearby-Ranked Inventors

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