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USPTO Patent Rankings Data through Dec 31, 2025
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Libbe van Zwol — 8 Patents

UNUnknown: 5 patents #3,065 of 83,584Top 4%
NBNucletron Operations B.V.: 2 patents #14 of 46Top 35%
IBIsodose Control Intellectual Property B.V.: 1 patents #2 of 3Top 70%
Leersum, NL: #2 of 13 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Libbe van Zwol has been granted 8 US patents while listed as an inventor at Unknown. The first was granted in 1989 and the most recent in March 2021. Libbe van Zwol ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Libbe van Zwol in Leersum, NL.

Patents per Year

Patents granted per year, 1989 to 2021Bar chart with a peak of 2 patents in 1989.peak 21989: 2 patents19891990: 1 patents19901991: 1 patents19911992: 1 patents19922010: 1 patents20102012: 1 patents20122021: 1 patents2021

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10933255 Transport cable and source capsule with safe connecting construction for internally irradiating patients Eric van't Hooft 2021-03-02
8273007 Apparatus for transporting and positioning a capsule in which a radioactive source is present Eric van ′t Hooft, Joeri Tuijn 2012-09-25
7645224 Apparatus for transporting and positioning a capsule in which a radioactive source is present Eric van't Hooft, Joeri Tuijn 2010-01-12
5084001 Method and apparatus for effecting radioactive therapy in an animal body Eric van't Hooft 1992-01-28
5030194 Method and apparatus for effecting radioactive therapy in an animal body Eric van't Hooft 1991-07-09
4969863 Adaptor for remote after-loading apparatus for radiotherapy Eric van't Hooft 1990-11-13
4881937 Method of treating a part of the body with radioactive material and a trolley for use therein Eric van't Hooft 1989-11-21
4861520 Capsule for radioactive source Eric van't Hooft 1989-08-29

Frequent Collaborators

Eric van't Hooft7 shared
Joeri Tuijn2 shared
Eric van ′t Hooft1 shared

Nearby-Ranked Inventors

Suryatej Gundavelli8
Hajime Yoshizawa8
Takahisa TATEKAWA8
Hye-Jin GONG8
Yang Ji8
Koichi Sekimizu8
Sandeep Rekhi8
Tejas Pradip Rode8
Jonatan Hörder8