Assignee
VOELSTAD ENERGY AS
NO·3 granted patents·34 citations·filing 1998–1999
Top patents by PatentIndex Score
3 records- 0159US6398455B1Method for stratified construction and heating a grass pitch, particularly a football ground, and a grass playing field built up in accordance with the methodVOELSTAD ENERGY AS·Filed 1998·Granted Jun 4, 2002·24 cites·10 claims
- 0230US6421969B1Device forming a partition between storeysVOELSTAD ENERGY AS·Filed 1999·Granted Jul 23, 2002·9 cites·6 claims
- 0322US6615907B1Stadium with ice rink channel system for heating and/or coolingVOELSTAD ENERGY AS·Filed 1999·Granted Sep 9, 2003·1 cites·15 claims
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