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Robert Stevens — 7 Patents

PUPuridify: 4 patents #4 of 20Top 20%
CICargill, Incorporated: 2 patents #314 of 917Top 35%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Robert Stevens has been granted 7 US patents while listed as an inventor at Puridify. The first was granted in 1989 and the most recent in May 2021. Robert Stevens ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Robert Stevens in Riethoven, GA, NL.

Patents per Year

Patents granted per year, 1989 to 2021Bar chart with a peak of 2 patents in 2019.peak 21989: 1 patents19892017: 1 patents20172018: 1 patents20182019: 2 patents20192020: 1 patents20202021: 1 patents2021

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11008364 Chromatography medium Daniel Gilbert Bracewell, Oliver Hardick 2021-05-18
10696714 Chromatography medium Daniel Gilbert Bracewell, Oliver Hardick 2020-06-30
10442827 Method for purification of lecithin Jos Van Denderen 2019-10-15
10344051 Chromatography medium Daniel Gilbert Bracewell, Oliver Hardick 2019-07-09
9856277 Method for the purification of lecithin Jos Van Denderen 2018-01-02
9802979 Chromatography medium Daniel Gilbert Bracewell, Oliver Hardick 2017-10-31
4853246 Sweetened high protein milk product and process for producing same — 1989-08-01

Frequent Collaborators

Oliver Hardick4 shared
Daniel Gilbert Bracewell4 shared
Jos Van Denderen2 shared

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