Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KD

Klaas Drenth

NTNeopost Technologies: 3 patents #24 of 155Top 20%
HBHadewe B.V.: 2 patents #8 of 22Top 40%
NSNeopost S.A.: 1 patents #3 of 4Top 75%
Ureterp, NL: #2 of 3 inventorsTop 70%
Overall (All Time): #855,169 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8634588 Automated mail inserting 2014-01-21
8359120 Method and apparatus for preparing mail pieces 2013-01-22
8060242 System, apparatuses, methods and computer program for producing a batch of mail items and providing and generating identification codes Jelle Wiersma 2011-11-15
D610556 User interface for a franking machine Laurent Cambon 2010-02-23
5655668 Method and apparatus for verifying whether documents have been separated from an opened envelope 1997-08-12
5526939 Method of checking the composition of multilayer units composed of sheetlike parts and apparatus for composing, and checking the composition of, such units Ydo N. Hoekstra 1996-06-18