JG

Jacob Frank De Groot

RA Rockwool International A/S: 10 patents #4 of 169Top 3%
RB Rockwool/Grodan B.V.: 4 patents #1 of 5Top 20%
RB Rockwool Lapinus B.V.: 1 patents #2 of 9Top 25%
U.S. Philips: 1 patents #4,133 of 8,851Top 50%
📍 Roermond, NL: #5 of 149 inventorsTop 4%
Overall (All Time): #294,131 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
11026372 Plant growth system Dolf van der Veen, Eelke Gjalt Hempenius 2021-06-08
10492388 Plant growth system Paul Jacques Louis Hubert Bouwens, Eelke Gjalt Hempenius 2019-12-03
10342182 Plant growth system Eelke Gjalt Hempenius, Frank Janssen 2019-07-09
10234438 Device and method for measuring plant growth conditions 2019-03-19
D734183 Moisture sensor and controller 2015-07-14
D733593 Moisture sensor and controller 2015-07-07
D733592 Moisture sensor and controller 2015-07-07
D553516 Sensor 2007-10-23
6562267 Process for the manufacture of a mineral wool plant growth substrate Erling Lennart Hansen 2003-05-13
6389748 Plant cubes Lars Hansen 2002-05-21
6183531 Mineral wool plant substrate Albert Willem Knop, Paul Jacques Louis Hubert Bouwens 2001-02-06
6042630 Coherent growth substrate 2000-03-28
6032413 Hydrophilic plant growth substrate, comprising a furan resin Thor Husemoen 2000-03-07
5992093 Growth substrate comprising short transversally extending mineral wool fibres Lars Hansen 1999-11-30
5218783 Agroblock, such as agroplug, agroplug system and a plug strip therefor Lucas Everhardus Maria Langezaal 1993-06-15
4635018 Core containing amorphous ferromagnetic strip material Thomas A. J. Haus 1987-01-06