Harald Michael

Person

2000 Hamburg 55, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Vacuum-operated draining systems
- Patent number 5,337,773
- Issue date Aug 16, 1994
- Harald Michael
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Coupling for a vacuum fluid line
- Patent number 5,322,329
- Issue date Jun 21, 1994
- Harald Michael
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vacuum operated check valve for vacuum conduits
- Patent number 4,376,444
- Issue date Mar 15, 1983
- Electrolux GmbH
- Harald Michael
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vacuum drain facility
- Patent number 4,370,227
- Issue date Jan 25, 1983
- Electrolux GmbH
- Harald R. Michael
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Vacuum drain system
- Patent number 4,333,830
- Issue date Jun 8, 1982
- Electrolux GmbH
- Harald Michael
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Pneumatically driven drainage facility
- Patent number 4,333,487
- Issue date Jun 8, 1982
- Harald Michael
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Backwater tank for a building connected to a vacuum drain facility
- Patent number 4,209,034
- Issue date Jun 24, 1980
- Electrolex GmbH
- Harald Michael
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Vacuum-type water removal system for houses, factories, ships and t...
- Patent number 4,164,049
- Issue date Aug 14, 1979
- Electrolux GmbH
- Harald R. Michael
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Vacuum drainage system
- Patent number 4,155,851
- Issue date May 22, 1979
- Electrolux GmbH
- Harald R. Michael
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Vacuum-type water removal systems for buildings
- Patent number 4,120,312
- Issue date Oct 17, 1978
- Harald Richard Michael
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Method for sewage removal from multi-household connections
- Patent number 4,108,192
- Issue date Aug 22, 1978
- Electrolux GmbH
- Harald Richard Michael
- E03 - WATER SUPPLY SEWERAGE

Harald Michael

Person

Patents Grantslast 30 patents

Vacuum-operated draining systems

Coupling for a vacuum fluid line

Vacuum operated check valve for vacuum conduits

Vacuum drain facility

Vacuum drain system

Pneumatically driven drainage facility

Backwater tank for a building connected to a vacuum drain facility

Vacuum-type water removal system for houses, factories, ships and t...

Vacuum drainage system

Vacuum-type water removal systems for buildings

Method for sewage removal from multi-household connections