Inventor · disambiguated record
Helmut Walter
Also filed as: WALTER HELMUT · WALTER HELMUT DR
219 granted patents·4 pending applications·2,100 citations·filing 1989–2021
99Inventor score
Top patents by PatentIndex Score
223 records- 0195US6534444B1Herbicidal mixtures having a synergistic effectBASF AG·Filed 1999·Granted Mar 18, 2003·79 cites·29 claims
- 0294US9220268B2Herbicidal benzoxazinonesWITSCHEL MATTHIAS·Filed 2015·Granted Dec 29, 2015·6 cites·20 claims
- 0394US8754008B2Herbicidal benzoxazinonesWITSCHEL MATTHIAS·Filed 2010·Granted Jun 17, 2014·10 cites·20 claims
- 0494US5846907AHerbicidally active pyrazol-4-ylbenzoyl compoundsBASF AG·Filed 1996·Granted Dec 8, 1998·85 cites·8 claims
- 0593US6262074B14-Hetaroylpyrazol derivatives and the use thereof as herbicidesBASF AG·Filed 1997·Granted Jul 17, 2001·71 cites·17 claims
- 0692US6479436B1Hetaroyl cyclohexanedione derivatives with herbicidal effectBASF AG·Filed 1997·Granted Nov 12, 2002·69 cites·18 claims
- 0792US6472349B1Pyridine-2,3-dicarboxylic acid diamidesBASF AG·Filed 2000·Granted Oct 29, 2002·29 cites·20 claims
- 0892US5798451AQuinoline-3-carboxamides, their manufacture and useBASF AG·Filed 1997·Granted Aug 25, 1998·53 cites·1 claims
- 0991US6004903A2-Anylocyclohexanediones having improved herbicidal propertiesBASF AG·Filed 1996·Granted Dec 21, 1999·53 cites·10 claims
- 1090US6908883B2Synergistically acting herbicidal mixturesBASF AG·Filed 2003·Granted Jun 21, 2005·20 cites·22 claims
- 1190US5783522ASubstituted 2-phenylpyridinesBASF AG·Filed 1994·Granted Jul 21, 1998·39 cites·15 claims
- 1290US5378679AHeteroaromatically condensed hydroxypyridonecarboxamides, their preparation and useBASF AG·Filed 1993·Granted Jan 3, 1995·37 cites·2 claims
- 1389US8445407B2Herbicidal tetrahydrophthalimidesWITSCHEL MATTHIAS·Filed 2010·Granted May 21, 2013·7 cites·20 claims
- 1489US6165944A4-(3-heterocyclyl-1-benzoyl) pyrazoles and their use as herbicidesBASF AG·Filed 1997·Granted Dec 26, 2000·50 cites·28 claims
- 1588US11206830B2Herbicidal composition comprising glufosinate or a salt thereof and pyroxasulfoneBASF SE·Filed 2017·Granted Dec 28, 2021·1 cites·9 claims
- 1688US7842646B2Synergistically acting herbicidal mixturesBASF SE·Filed 2005·Granted Nov 30, 2010·4 cites·17 claims
- 1788US5703017A3-(Het) arylcarboxylic acid derivatives, their preparation and intermediates for their preparationBASF AG·Filed 1994·Granted Dec 30, 1997·31 cites·14 claims
- 1888US5670454AHerbicides of the auxin type for treating transgenic crop plantsBASF AG·Filed 1995·Granted Sep 23, 1997·79 cites·6 claims
- 1988US5593943AHeteroaromatically condensed hydroxypyridonecarboxamides, their preparation and use as herbicidesBASF AG·Filed 1994·Granted Jan 14, 1997·32 cites·5 claims
- 2088US5508412APhthalimides useful as intermediate compoundsBASF AG·Filed 1995·Granted Apr 16, 1996·35 cites·2 claims
- 2188US5276009ADicarboximides and their use as herbicidesBASF AG·Filed 1991·Granted Jan 4, 1994·35 cites·8 claims
- 2287US5972841AQuinoline-3-carboxamides, their manufacture and useBASF AG·Filed 1997·Granted Oct 26, 1999·37 cites·1 claims
- 2386US5597776ASubstituted pyrido[2, 3-dipyrimidines as antidotes for herbicidal cyclohexenonesBASF AG·Filed 1995·Granted Jan 28, 1997·47 cites·9 claims
- 2485US9629366B2Herbicidal composition comprising glyphosate, glufosinate or their saltsSIEVERNICH BERND·Filed 2009·Granted Apr 25, 2017·3 cites·15 claims
- 2585US7608564B23-heterocyclyl-substituted benzoyl derivativesBASF AG·Filed 2007·Granted Oct 27, 2009·3 cites·15 claims
- 2685US5422335AHerbicides containing substituted 2-aminothiophenesBASF AG·Filed 1991·Granted Jun 6, 1995·41 cites·8 claims
- 2783US6156702ASubstituted 4-benzoylpyrazolesBASF AG·Filed 1998·Granted Dec 5, 2000·32 cites·9 claims
- 2883US5661106A3-(Het)aryloxy(thio)carboxylic acid derivatives, their preparation and intermediates for their preparationBASF AG·Filed 1994·Granted Aug 26, 1997·27 cites·14 claims
- 2982US6432881B12-benzoylcyclohexane-1,3-dione as herbicidesBASF AG·Filed 1998·Granted Aug 13, 2002·29 cites·20 claims
- 3082US6054410AHerbicidal mixtures having a synergistic effectBASF AG·Filed 1996·Granted Apr 25, 2000·28 cites·30 claims
- 3182US5846906AHerbicidally active phenyldiketone compoundsBASF AG·Filed 1996·Granted Dec 8, 1998·29 cites·8 claims
- 3282US5478798AHerbicidal N-[(1,3,5-triazin-2-yl)-aminocarbonyl]-benzenesulfonamidesBASF AG·Filed 1994·Granted Dec 26, 1995·23 cites·7 claims
- 3381US12059004B2Herbicidal composition comprising glufosinate or salt thereof and pyroxasulfoneBASF SE·Filed 2021·Granted Aug 13, 2024·0 cites·6 claims
- 3481US6541423B14-(3′,4′-heterocyclyl benzoyl) pyrazoles as herbicidal agentsBASF AG·Filed 2000·Granted Apr 1, 2003·12 cites·16 claims
- 3581US5486618ASubstituted 5-aminopyrazolesBASF AG·Filed 1991·Granted Jan 23, 1996·25 cites·10 claims
- 3680US6153759AHeterocyclic benzoyl intermediates for herbicidal compoundsBASF AG·Filed 1999·Granted Nov 28, 2000·24 cites·7 claims
- 3779US5538939AAcylamino-substituted isoxazole or isothiazole derivatives, their preparation and their useBASF AG·Filed 1994·Granted Jul 23, 1996·26 cites·10 claims
- 3878US6207618B1Heterocyclic substituted 4-benzoyl-pyrazole as herbicidesBASF AG·Filed 1998·Granted Mar 27, 2001·23 cites·10 claims
- 3978US5252540ASulfonamidesBASF AG·Filed 1991·Granted Oct 12, 1993·20 cites·8 claims
- 4078US5190573ACyclohexenone oxime ethers, their preparation and their use as herbicidesBASF AG·Filed 1991·Granted Mar 2, 1993·25 cites·7 claims
- 4177US7115545B1Tricyclic benzoylpyrazole derivatives used as a herbicideBASF AG·Filed 2000·Granted Oct 3, 2006·7 cites·18 claims
- 4277US6794335B2Synergistically active herbicidal mixturesBASF AG·Filed 2001·Granted Sep 21, 2004·7 cites·16 claims
- 4377US6602825B11-Aryl-1,3,5-triazine-4-thione-2,6-diones, production thereof and use thereof as herbicidesBASF AG·Filed 2000·Granted Aug 5, 2003·8 cites·10 claims
- 4477US5834402AIsoxazolylbenzoyl derivativesBASF AG·Filed 1996·Granted Nov 10, 1998·22 cites·8 claims
- 4576US6613719B13-(4,5-dihydroisoxazol-3-yl)-substituted benzoylpyrazolesBASF AG·Filed 2000·Granted Sep 2, 2003·7 cites·10 claims
- 4676US5635450AHerbicidal N-[(1, 3, 5-Triazin-2-yl)-aminocarbonyl]-benzenesulfonamidesBASF AG·Filed 1995·Granted Jun 3, 1997·18 cites·3 claims
- 4776US5571774APyridine-2,3-dicarboximides, their preparation and their use for controlling undesired plant growthBASF AG·Filed 1994·Granted Nov 5, 1996·19 cites·9 claims
- 4876US5318945AThiocarboxylic acid derivativesBASF AG·Filed 1992·Granted Jun 7, 1994·18 cites·9 claims
- 4975US7232792B23-heterocyclyl-substituted benzoyl derivativesBASF AG·Filed 2000·Granted Jun 19, 2007·5 cites·20 claims
- 5075US6362133B1Synergistically active herbicidal mixturesBASF AG·Filed 2000·Granted Mar 26, 2002·6 cites·20 claims
Showing the top 50 of 223 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →