HK

Hette Knijpstra

KB Knijpstra Konstruktie B.V.: 6 patents #1 of 1Top 100%
KB K.I.G. Heerenveen B.V.: 2 patents #2 of 3Top 70%
📍 Terband, NL: #1 of 1 inventorsTop 100%
Overall (All Time): #552,241 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11666832 Support construction for a transportable attraction for amusement rides and method for raising the support construction 2023-06-06
11408233 Assembly and method for forming a mast for guiding a drill drive in a horizontal directional drilling machine 2022-08-09
7744476 Fairground attraction having a heightwise movable people carrier 2010-06-29
6022276 Carousel 2000-02-08
5558581 Fairground device 1996-09-24
5395290 Fairground device 1995-03-07
4988089 Fairground attraction 1991-01-29
4807869 Amusement device having a rotatable, swivelling and tiltable rigid gondola 1989-02-28
4735545 Boat cradle 1988-04-05