Inventor · disambiguated record
Johannes A. Janssen
Also filed as: JANSSEN JOHANNES A · JANSSEN JOHANNES ANTONIUS ANDREAS · JANSSEN JOHANNES ANTONIUS MARI · JANSSEN JOHANNES ANTONIUS MARIE
10 granted patents·1 pending application·45 citations·filing 1981–2018
87Inventor score
Top patents by PatentIndex Score
11 records- 0176US9963364B2Anti-microbial additive for use in flower vase waterJANSSEN JOHANNES ANTONIUS MARIE·Filed 2008·Granted May 8, 2018·2 cites·5 claims
- 0263US10519049B2Anti-microbial additive for use in flower vase waterENHOLD B V·Filed 2018·Granted Dec 31, 2019·0 cites·16 claims
- 0360US4387083AProcess for the preparation of calcium sulphate anhydrite and calcium sulphate anhydrite obtained by this processSTAMICARBON·Filed 1981·Granted Jun 7, 1983·11 cites·4 claims
- 0450US4514365AProcess for recovering a uranium-containing concentrate and purified phosphoric acid from a wet process phosphoric acid containing uraniumSTAMICARBON·Filed 1982·Granted Apr 30, 1985·7 cites·12 claims
- 0550US4387077AProcess for the recovery of substantially radium free calcium sulphate, yttrium and lanthanides, as well as calcium sulphate, yttrium and lanthanides obtained by this processSTAMICARBON·Filed 1981·Granted Jun 7, 1983·8 cites·10 claims
- 0650US2017000112A1Method of preserving cut roses during transportation and storage and shipment kit containing cut rosesENHOLD B V·Filed 2014·Application pending·0 cites
- 0746US4822582AProcess for the removal of heavy metals from acid, phosphate-containing, aqueous mediaSTAMICARBON·Filed 1987·Granted Apr 18, 1989·7 cites·8 claims
- 0843US9310476B2Method for detecting a distance, a radar system and a computer program productPREVO RENÉ·Filed 2010·Granted Apr 12, 2016·2 cites·18 claims
- 0943US4450142AProcess for recovering a uranium-containing concentrate and purified phosphoric acidSTAMICARBON·Filed 1981·Granted May 22, 1984·5 cites·6 claims
- 1030US4390507AProcess for recovering yttrium and lanthanides from wet-process phosphoric acidSTAMICARBON·Filed 1981·Granted Jun 28, 1983·1 cites·8 claims
- 1119US6162273AFloral foam for cut flowersPOKON & CHRYSAL B V·Filed 1997·Granted Dec 19, 2000·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →