Inventor · disambiguated record
Josef Tra
Also filed as: TRA JOSEF · TRAE JOSEF
7 granted patents·111 citations·filing 1976–1987
86Inventor score
Files withVOITH GMBH J M7
Top patents by PatentIndex Score
7 records- 0189US4017033AApparatus and method for reclaiming waste papersVOITH GMBH J M·Filed 1976·Granted Apr 12, 1977·37 cites·15 claims
- 0284US4190522AApparatus for purifying a suspension of fibrous materialVOITH GMBH J M·Filed 1978·Granted Feb 26, 1980·26 cites·9 claims
- 0382US4238324AApparatus for separating impurities from fiber suspensionsVOITH GMBH J M·Filed 1979·Granted Dec 9, 1980·22 cites·30 claims
- 0449US4812229AScreen cageVOITH GMBH J M·Filed 1987·Granted Mar 14, 1989·7 cites·8 claims
- 0545US4197193AApparatus for classifying the constituents of dilute suspensions of fibersVOITH GMBH J M·Filed 1978·Granted Apr 8, 1980·8 cites·13 claims
- 0640US4127479AApparatus for straining suspensionsVOITH GMBH J M·Filed 1977·Granted Nov 28, 1978·8 cites·10 claims
- 0736US4493766ARotating sorter for fiber material suspensionsVOITH GMBH J M·Filed 1982·Granted Jan 15, 1985·3 cites·8 claims
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