Inventor · disambiguated record
Harald Michael
Also filed as: MICHAEL HARALD · MICHAEL HARALD R · MICHAEL HARALD RICHARD
11 granted patents·129 citations·filing 1976–1993
91Inventor score
Top patents by PatentIndex Score
11 records- 0171US4155851AVacuum drainage systemELECTROLUX GMBH·Filed 1977·Granted May 22, 1979·27 cites·11 claims
- 0270US4120312AVacuum-type water removal systems for buildingsMICHAEL HARALD RICHARD·Filed 1977·Granted Oct 17, 1978·23 cites·10 claims
- 0353US4376444AVacuum operated check valve for vacuum conduitsELECTROLUX GMBH·Filed 1979·Granted Mar 15, 1983·11 cites·10 claims
- 0450US4333830AVacuum drain systemELECTROLUX GMBH·Filed 1977·Granted Jun 8, 1982·10 cites·7 claims
- 0548US4333487APneumatically driven drainage facilityMICHAEL HARALD·Filed 1980·Granted Jun 8, 1982·11 cites·11 claims
- 0647US4209034ABackwater tank for a building connected to a vacuum drain facilityELECTROLUX GMBH·Filed 1978·Granted Jun 24, 1980·11 cites·10 claims
- 0746US4164049AVacuum-type water removal system for houses, factories, ships and the likeELECTROLUX GMBH·Filed 1977·Granted Aug 14, 1979·8 cites·4 claims
- 0846US4108192AMethod for sewage removal from multi-household connectionsELECTROLUX GMBH·Filed 1976·Granted Aug 22, 1978·8 cites·3 claims
- 0937US4370227AVacuum drain facilityELECTROLUX GMBH·Filed 1980·Granted Jan 25, 1983·7 cites·7 claims
- 1036US5322329ACoupling for a vacuum fluid lineMICHAEL HARALD·Filed 1993·Granted Jun 21, 1994·9 cites·7 claims
- 1130US5337773AVacuum-operated draining systemsMICHAEL HARALD·Filed 1993·Granted Aug 16, 1994·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →