Assignee
FRESE ARMATUR
DK·3 granted patents·88 citations·filing 1989–1997
Top patents by PatentIndex Score
3 records- 0182US5178324AMethod of regulating a central or district heating plant by means of a differential pressure valve, and unit for working methodFRESE ARMATUR·Filed 1989·Granted Jan 12, 1993·50 cites·8 claims
- 0254US5860591AValve for a system having an energy-carrying mediumFRESE ARMATUR·Filed 1997·Granted Jan 19, 1999·30 cites·6 claims
- 0333US5931375AValve for a system having an energy-carrying mediumFRESE ARMATUR·Filed 1997·Granted Aug 3, 1999·8 cites·16 claims
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