Inventor · disambiguated record
Jacob Frank De Groot
Also filed as: DE GROOT JACOB · DE GROOT JACOB F · DE GROOT JACOB FRANK · GROOT JAKOB FRANK DE
16 granted patents·203 citations·filing 1986–2014
93Inventor score
Top patents by PatentIndex Score
16 records- 0191US6562267B1Process for the manufacture of a mineral wool plant growth substrateROCKWOOL INT·Filed 1999·Granted May 13, 2003·65 cites·13 claims
- 0285US5218783AAgroblock, such as agroplug, agroplug system and a plug strip thereforROCKWOOL LAPINUS BV·Filed 1989·Granted Jun 15, 1993·49 cites·20 claims
- 0370US10342182B2Plant growth systemROCKWOOL INT·Filed 2012·Granted Jul 9, 2019·2 cites·21 claims
- 0469US5992093AGrowth substrate comprising short transversally extending mineral wool fibresROCKWOOL GRODAN BV·Filed 1995·Granted Nov 30, 1999·27 cites·10 claims
- 0556US10492388B2Plant growth systemROCKWOOL INT·Filed 2014·Granted Dec 3, 2019·0 cites·13 claims
- 0654USD733593SMoisture sensor and controllerROCKWOOL INT·Filed 2013·Granted Jul 7, 2015·8 cites·1 claims
- 0753US10234438B2Device and method for measuring plant growth conditionsROCKWOOL INT·Filed 2014·Granted Mar 19, 2019·0 cites·23 claims
- 0852US6042630ACoherent growth substrateROCKWOOL GRODAN BV·Filed 1995·Granted Mar 28, 2000·10 cites·7 claims
- 0949US6389748B1Plant cubesROCKWOOL GRODAN BV·Filed 1995·Granted May 21, 2002·14 cites·9 claims
- 1044US11026372B2Plant growth systemROCKWOOL INT·Filed 2014·Granted Jun 8, 2021·0 cites·16 claims
- 1144US6183531B1Mineral wool plant substrateROCKWOOL GRODAN BV·Filed 1996·Granted Feb 6, 2001·12 cites·3 claims
- 1242USD734183SMoisture sensor and controllerROCKWOOL INT·Filed 2013·Granted Jul 14, 2015·4 cites·1 claims
- 1339USD553516SSensorROCKWOOL INT·Filed 2006·Granted Oct 23, 2007·3 cites·1 claims
- 1434US6032413AHydrophilic plant growth substrate, comprising a furan resinROCKWOOL INT·Filed 1996·Granted Mar 7, 2000·5 cites·15 claims
- 1530USD733592SMoisture sensor and controllerROCKWOOD INTERNAT A S·Filed 2013·Granted Jul 7, 2015·2 cites·1 claims
- 1627US4635018ACore containing amorphous ferromagnetic strip materialPHILIPS CORP·Filed 1986·Granted Jan 6, 1987·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →