GS

Gerrit Jan Stegeman

PB Plasticum Netherlands B.V.: 5 patents #1 of 10Top 10%
HK Henkel Ag & Co. Kgaa: 2 patents #741 of 2,331Top 35%
PB Plantics B.V.: 2 patents #4 of 13Top 35%
Overall (All Time): #358,495 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12186616 Physical training apparatus 2025-01-07
11866234 Container with cap Dannielle Paola Borger, Ingomar Henning, Willem Ramon, Lenny Marita Ellenkamp-Van Olst 2024-01-09
11857830 Physical training apparatus 2024-01-02
11059635 Container with cap Dannielle Paola Borger, Ingomar Henning, Wilem Ramon, Lenny Marita Ellenkamp-Van Olst 2021-07-13
10442584 Dispensing closure with self-closing valve Lenny Marita Ellenkamp-Van Olst, Willem Ramon, Albertus Rap, Sebastiaan Wilhelmus Josephus Den Boer 2019-10-15
10189613 Closure assembly Lenny Marita Ellenkamp-Van Olst, Willem Ramon, Albertus Rap, Sebastiaan Wilhelmus Josephus Den Boer 2019-01-29
9511906 Closure with tamper-evident strip having bent end portions Jan van Alfen, Shi Ming Pun, Sebastiaan Wilhelmus Josephus Den Boer 2016-12-06
9409680 Tamper evident closure Jan van Alfen, Shi Ming Pun, Sebastiaan Wilhelmus Josephus Den Boer 2016-08-09
9340335 Closure assembly with valve and method for its manufacturing Lenny Marita Ellenkamp-Van Olst, Sebastiaan Wilhelmus Josephus Den Boer, Jan van Alfen 2016-05-17
9108371 Injection mould for flexible tube 2015-08-18
9090386 Closure with tamper-evident strip Jan van Alfen, Shi Ming Pun, Sebastiaan Wilhelmus Josephus Den Boer 2015-07-28
8863995 Spray cap 2014-10-21
8640928 Closure assembly with valve and method for its manufacturing Lenny Marita Ellenkamp-Van Olst, Sebastiaan Wilhelmus Josephus Den Boer, Jan van Alfen 2014-02-04