Inventor · disambiguated record
Robert J. Geertsen
Also filed as: GEERTSEN ROBERT J
8 granted patents·11 pending applications·41 citations·filing 2001–2020
81Inventor score
Top patents by PatentIndex Score
19 records- 0190US8075692B2Fluid bed reactorOSBORNE E WAYNE·Filed 2010·Granted Dec 13, 2011·35 cites·28 claims
- 0277US10287171B2Tumbling device for the separation of granular polysilicon and polysilicon powderREC SILICON INC·Filed 2016·Granted May 14, 2019·1 cites·10 claims
- 0364US9023425B2Fluid bed reactorOSBORNE E WAYNE·Filed 2010·Granted May 5, 2015·2 cites·18 claims
- 0460US9440262B2Apparatus and method for silicon powder managementREC SILICON INC·Filed 2014·Granted Sep 13, 2016·1 cites·18 claims
- 0560US2018265365A1Humidified sweep gas for dedusting processREC SILICON INC·Filed 2018·Application pending·0 cites
- 0657US10040637B2Oscillatory feederREC SILICON INC·Filed 2016·Granted Aug 7, 2018·1 cites·24 claims
- 0753US2012159993A1Feedstock melting and casting system and processGEERTSEN ROBERT J·Filed 2011·Application pending·0 cites
- 0851US2014131246A1Container and method of mitigating metal-contact contamination of polysiliconREC SILICON INC·Filed 2013·Application pending·0 cites
- 0948US10407310B2System for reducing agglomeration during annealing of flowable, finely divided solidsREC SILICON INC·Filed 2017·Granted Sep 10, 2019·0 cites·20 claims
- 1047US2020240013A1Stirred bed reactorREC SILICON INC·Filed 2020·Application pending·0 cites
- 1145US9682404B1Method and apparatus for separating fine particulate material from a mixture of coarse particulate material and fine particulate materialREC SILICON INC·Filed 2016·Granted Jun 20, 2017·0 cites·20 claims
- 1245US2014023578A1Reactor system and method of polycrystalline silicon production therewithREC SILICON INC·Filed 2013·Application pending·0 cites
- 1345US2020048007A1FeederREC SILICON INC·Filed 2017·Application pending·0 cites
- 1444US6652794B2Casting pattern seam tool and method for its usePCC STRUCTURALS INC·Filed 2001·Granted Nov 25, 2003·1 cites·38 claims
- 1542US2018213603A1Segmented tubes used in annealing of high purity silicon granulesREC SILICON INC·Filed 2017·Application pending·0 cites
- 1640US2015104369A1Polysilicon transportation device and a reactor system and method of polycrystalline silicon production therewithREC SILICON INC·Filed 2013·Application pending·0 cites
- 1737US2018208470A1Method for annealing granular silicon with agglomeration controlREC SILICON INC·Filed 2017·Application pending·0 cites
- 1837US2018208472A1Control of silicon oxide off-gas to prevent fouling of granular silicon annealing systemREC SILICON INC·Filed 2017·Application pending·0 cites
- 1935US2010170653A1Solidification of molten material over a moving bed of divided solid materialREC SILICON INC·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →