Inventor · disambiguated record
Hanshelmut Itzel
Also filed as: ITZEL HANSHELMUT
9 granted patents·398 citations·filing 1981–2000
90Inventor score
Top patents by PatentIndex Score
9 records- 0196US4705191AMixing and spraying deviceCELAMERCK GMBH & CO KG·Filed 1985·Granted Nov 10, 1987·160 cites·3 claims
- 0294US4793475AClosure caps for two-component packaging systemsCELAMERCK GMBH & CO KG·Filed 1987·Granted Dec 27, 1988·129 cites·9 claims
- 0382US5201925ADevice for transcuticular application of active substances to plantsCELAFLOR GMBH·Filed 1992·Granted Apr 13, 1993·37 cites·10 claims
- 0479US4796381AInsecticidal compositionsCELAMERCK GMBH & CO KG·Filed 1987·Granted Jan 10, 1989·32 cites·9 claims
- 0565US4405605AFungicidal compositionsCELAMERCK GMBH & CO KG·Filed 1981·Granted Sep 20, 1983·6 cites·15 claims
- 0664US6820013B1Method and device for the online analysis of solvent mixturesMERCK PATENT GMBH·Filed 2000·Granted Nov 16, 2004·11 cites·18 claims
- 0760US5343653ADevice for transcuticular application of active substance to plantsCELAFLOR GMBII·Filed 1993·Granted Sep 6, 1994·13 cites·2 claims
- 0857US4892866AStabilized pesticidal compositionSHELL INT RESEARCH·Filed 1988·Granted Jan 9, 1990·10 cites·4 claims
- 0931US5141940AFungicidal liquid formulationsSHELL INT RESEARCH·Filed 1989·Granted Aug 25, 1992·0 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Hanshelmut Itzel files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →