HJ

Hendrikus Wilhelmus Theodorus Janssen

FG Fev Motorentechnik Gmbh: 1 patents #35 of 108Top 35%
📍 Malden, NL: #12 of 52 inventorsTop 25%
Overall (All Time): #1,411,638 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11291173 Growth device for crop, use of such a device, and a series of growth devices 2022-04-05
10123494 Growth device for crop, use of such a device, and a series of growth devices 2018-11-13
7116004 Method for regulating the operation of a device for generating electric energy by means of a generator driven by a free-piston internal combustion engine Hans Kemper, Christian Boie 2006-10-03