Inventor · disambiguated record
Helmut Duill
Also filed as: DUILL HELMUT
5 granted patents·87 citations·filing 1978–1986
81Inventor score
Top patents by PatentIndex Score
5 records- 0189US4236886AMethod and apparatus for the production of coaldustKLOECKNER HUMBOLDT WEDAG·Filed 1978·Granted Dec 2, 1980·25 cites·23 claims
- 0283US4728044AApparatus for the comminution and grinding of brittle grinding stock, particularly of damp initial materialKLOECKNER HUMBOLDT DEUTZ AG·Filed 1986·Granted Mar 1, 1988·42 cites·17 claims
- 0344US4270466AMethod and apparatus for rendering an ignitable fuel-oxygen mixture inertKLOECKNER HUMBOLDT DEUTZ AG·Filed 1979·Granted Jun 2, 1981·8 cites·12 claims
- 0442US4272710AMethod and apparatus for the adjustment of a definite position of rest of a rotary tubeKLOECKNER HUMBOLDT DEUTZ AG·Filed 1979·Granted Jun 9, 1981·7 cites·6 claims
- 0535US4280283AMethod and device for the operation of a hot gas generator within a dryerKLOECKNER HUMBOLDT DEUTZ AG·Filed 1979·Granted Jul 28, 1981·5 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Helmut Duill 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 →