Assignee
ROHR WOLFGANG
6 granted patents·54 citations·filing 1975–1998
Top patents by PatentIndex Score
6 records- 0150US5179793AFloating dredgerROHR WOLFGANG·Filed 1990·Granted Jan 19, 1993·13 cites·4 claims
- 0248US5150986AProcess and apparatus for depositing silt on the bottom and slopes of the wet open working or dredgingROHR WOLFGANG·Filed 1991·Granted Sep 29, 1992·14 cites·3 claims
- 0348US4052299AApparatus for washing impurities out of granular materialROHR WOLFGANG·Filed 1975·Granted Oct 4, 1977·9 cites·3 claims
- 0441US4968418AApparatus for washing out and sorting organic, loamy and other impurities from continuously supplied coarse and fine granular solidsROHR WOLFGANG·Filed 1989·Granted Nov 6, 1990·7 cites·4 claims
- 0536US6059120ADevice for washing out and classifying organic clay-like and other impurities from granular matterROHR WOLFGANG·Filed 1998·Granted May 9, 2000·7 cites·12 claims
- 0632US6044979ADevice for separating superfine material from continuously fed granular solidsROHR WOLFGANG·Filed 1998·Granted Apr 4, 2000·4 cites·10 claims
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