Herman H. M. Van Der Aa

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Electrodeless low-pressure discharge lamp having a cooling body wit...
- Patent number 5,355,054
- Issue date Oct 11, 1994
- U.S. Philips Corporation
- Dirk F.W. Van Lierop
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a color display tube
- Patent number 5,171,179
- Issue date Dec 15, 1992
- U.S. Philips Corporation
- Herman H. M. Van Der Aa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrodeless low-pressure discharge lamp
- Patent number 5,006,752
- Issue date Apr 9, 1991
- U.S. Philips Corporation
- Hendrik H. J. Eggink
- F21 - LIGHTING
Information Patent Grant
Solar collector
- Patent number 4,421,099
- Issue date Dec 20, 1983
- U.S. Philips Corporation
- Herman H. M. van der Aa
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Solar collector comprising an absorber plate which exchanges heat w...
- Patent number 4,416,261
- Issue date Nov 22, 1983
- U.S. Philips Corporation
- Herman H. M. van der Aa
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heating system
- Patent number 4,084,376
- Issue date Apr 18, 1978
- U.S. Philips Corporation
- George Albert Apolonia Asselman
- F28 - HEAT EXCHANGE IN GENERAL