Assignee
TUCHENHAGEN GMBH
DE·13 granted patents·226 citations·filing 1995–2006
Top patents by PatentIndex Score
13 records- 0182US7845368B2Double seat valveTUCHENHAGEN GMBH·Filed 2006·Granted Dec 7, 2010·13 cites·27 claims
- 0281US6666129B1Operating device for a rotatable closing element of a valveTUCHENHAGEN GMBH·Filed 2000·Granted Dec 23, 2003·32 cites·12 claims
- 0380US6178986B1Double seat valve with cleanable seatsTUCHENHAGEN GMBH·Filed 1997·Granted Jan 30, 2001·41 cites·17 claims
- 0478US7905253B2Double seat valveTUCHENHAGEN GMBH·Filed 2006·Granted Mar 15, 2011·10 cites·20 claims
- 0573US6305665B1Bellows for sealing a valve rod passage in a globe valveTUCHENHAGEN GMBH·Filed 1999·Granted Oct 23, 2001·36 cites·21 claims
- 0665US7032878B2Method and device for controlling the switching movement of a valveTUCHENHAGEN GMBH·Filed 2002·Granted Apr 25, 2006·16 cites·17 claims
- 0763US6179003B1Actuating device for double seat valve with cleanable seatTUCHENHAGEN GMBH·Filed 2000·Granted Jan 30, 2001·10 cites·9 claims
- 0862US7198058B2Device for actuating double seat valvesTUCHENHAGEN GMBH·Filed 2003·Granted Apr 3, 2007·9 cites·16 claims
- 0961US7191791B2Device for actuating double seat valvesTUCHENHAGEN GMBH·Filed 2003·Granted Mar 20, 2007·10 cites·19 claims
- 1057US7302958B2Method and device for operating tank farm systems which are interconnected with pipes in a fixed manner and which have pipe systems for liquidsTUCHENHAGEN GMBH·Filed 2002·Granted Dec 4, 2007·14 cites·16 claims
- 1156US8047501B2Device for controlling the switching movement of a valveTUCHENHAGEN GMBH·Filed 2006·Granted Nov 1, 2011·2 cites·11 claims
- 1252US6047730ADevice for the drive system for double seat valvesTUCHENHAGEN GMBH·Filed 1996·Granted Apr 11, 2000·18 cites·6 claims
- 1341US6029302ACleanable scraper stationTUCHENHAGEN GMBH·Filed 1995·Granted Feb 29, 2000·15 cites·25 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →