Membership
Tour
Register
Log in
ROLF KUHN GMBH
Follow
Organization
Tutzing, DE
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Firestop collar
Patent number
8,672,275
Issue date
Mar 18, 2014
J. van Walraven Holding B.V.
Jan van Walraven
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Firestop collar
Patent number
8,336,832
Issue date
Dec 25, 2012
J. van Walraven Holding B.V.
Jan van Walraven
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Please log in for detailed analytics
Patents Applications
last 30 patents
Information
Patent Application
FIRESTOP COLLAR
Publication number
20130061545
Publication date
Mar 14, 2013
ROLF KUHN GMBH
Jan VAN WALRAVEN
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER