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Otto Knottnerus — 2 Patents

HAHarvard: 2 patents #1 of 8Top 15%
Evansville, WI: #13 of 28 inventorsTop 50%
Wisconsin: #17,225 of 40,088 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Otto Knottnerus has been granted 2 US patents while listed as an inventor at Harvard. The first was granted in 2011 and the most recent in December 2013. Otto Knottnerus ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Otto Knottnerus in Evansville, WI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8617404 Fluid filter apparatus and methods Larry Langmeier, Mark Berger 2013-12-31
7938971 Fluid filter apparatus and methods Larry Langmeier, Mark Berger 2011-05-10

Frequent Collaborators

Mark Berger2 shared
Larry Langmeier2 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2