Jochem Welvaadt

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Voltage converting circuit having parallel connected switching devices
- Patent number 7,081,739
- Issue date Jul 25, 2006
- True Solar Autonomy Holding B.V.
- Anne Jurjen Osinga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive assembly for a covering of an architectural opening
- Patent number 6,984,951
- Issue date Jan 10, 2006
- Turnils AB
- Anne J. Osinga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive assembly for a covering of an architectural opening
- Patent number 6,781,335
- Issue date Aug 24, 2004
- Turnils AB
- Anne J. Osinga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
System and Method for Adaptively Controlling a Network of Distribut...
- Publication number 20080037485
- Publication date Feb 14, 2008
- Hunter Douglas Inc.
- Anne J. Osinga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Drive assembly for a covering of an architectural opening
- Publication number 20040155614
- Publication date Aug 12, 2004
- Turnils AB
- Anne J. Osinga
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Voltage converting circuit
- Publication number 20040070380
- Publication date Apr 15, 2004
- Anne Jurjen Osinga
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Drive assembly for a covering of an architectural opening
- Publication number 20020158595
- Publication date Oct 31, 2002
- Anne J. Osinga
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS