Frederik Govaert

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Bolsward, NL

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Patents Grantslast 30 patents

Information Patent Grant
Inflatable closing plug for pipes
- Patent number 10,252,462
- Issue date Apr 9, 2019
- J. van Beugen Beheer B.V.
- Frederik Johan Govaert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Inflatable closing plug for pipes and method of manufacturing same
- Patent number 5,477,886
- Issue date Dec 26, 1995
- J. Van Beugen Beheer B.V.
- Jochim Van Beugen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
INFLATABLE CLOSING PLUG FOR PIPES
- Publication number 20120192983
- Publication date Aug 2, 2012
- J. VAN BEUGEN BEHEER B.V.
- Frederik Johan GOVAERT
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL