Assignee
HACKFORTH GMBH & CO KG
28 granted patents·1 pending application·360 citations·filing 1978–2013
Top patents by PatentIndex Score
29 records- 0193US4257135AAssembly tool for tube fittingsHACKFORTH GMBH & CO KG·Filed 1979·Granted Mar 24, 1981·79 cites·6 claims
- 0283US4768644AScraper device for conveyer belt systemsHACKFORTH GMBH & CO KG·Filed 1987·Granted Sep 6, 1988·45 cites·5 claims
- 0379US9701386B2Shaft made of fiber composite material with fireproof bulkhead feedthroughHACKFORTH GMBH & CO KG·Filed 2013·Granted Jul 11, 2017·8 cites·12 claims
- 0479US4795402AResilient shaft couplingHACKFORTH GMBH & CO KG·Filed 1987·Granted Jan 3, 1989·32 cites·7 claims
- 0569US4563166AExtra-resilient shaft couplingHACKFORTH GMBH & CO KG·Filed 1984·Granted Jan 7, 1986·18 cites·6 claims
- 0665US4929115AResilient shaft couplingHACKFORTH GMBH & CO KG·Filed 1988·Granted May 29, 1990·23 cites·2 claims
- 0764US4708514AResilient shaft couplingHACKFORTH GMBH & CO KG·Filed 1985·Granted Nov 24, 1987·21 cites·7 claims
- 0860US4432739ASpring steel liquid-damped shaft couplingHACKFORTH GMBH & CO KG·Filed 1980·Granted Feb 21, 1984·13 cites·7 claims
- 0959US6976921B2CouplingHACKFORTH GMBH & CO KG·Filed 2001·Granted Dec 20, 2005·6 cites·4 claims
- 1054US4389204AResilient shaft coupling, more particularly an interposed cardan shaft couplingHACKFORTH GMBH & CO KG·Filed 1981·Granted Jun 21, 1983·11 cites·4 claims
- 1151US6234903B1Shaft coupling with cooling elementsHACKFORTH GMBH & CO KG·Filed 1998·Granted May 22, 2001·11 cites·17 claims
- 1251US4781654AResilient shaft couplingHACKFORTH GMBH & CO KG·Filed 1986·Granted Nov 1, 1988·15 cites·4 claims
- 1350US5066263AResilient shaft couplingHACKFORTH GMBH & CO KG·Filed 1990·Granted Nov 19, 1991·12 cites·3 claims
- 1450US4911484AClamping ring pipe connection for metallic pipesHACKFORTH GMBH & CO KG·Filed 1988·Granted Mar 27, 1990·25 cites·3 claims
- 1542US8033919B2Elastic shaft coupling having non-identical rubber bodiesHACKFORTH GMBH & CO KG·Filed 2007·Granted Oct 11, 2011·1 cites·6 claims
- 1641US4337629AResilient shaft couplingHACKFORTH GMBH & CO KG·Filed 1980·Granted Jul 6, 1982·6 cites·2 claims
- 1740US6361443B1Shaft couplingHACKFORTH GMBH & CO KG·Filed 1998·Granted Mar 26, 2002·6 cites·5 claims
- 1840US5484339AArticulated couplingHACKFORTH GMBH & CO KG·Filed 1993·Granted Jan 16, 1996·13 cites·7 claims
- 1938US8357051B2Torsionally elastic shaft coupling comprising a bridgeable elastomer memberHACKFORTH GMBH & CO KG·Filed 2007·Granted Jan 22, 2013·0 cites·3 claims
- 2038US2002082091A1Shaft couplingHACKFORTH GMBH & CO KG·Filed 2002·Application pending·0 cites
- 2135US6896622B1Elastic shaft couplingHACKFORTH GMBH & CO KG·Filed 2000·Granted May 24, 2005·0 cites·7 claims
- 2234US6582148B1Elastic shaft coupling having a torsion elementHACKFORTH GMBH & CO KG·Filed 1999·Granted Jun 24, 2003·4 cites·9 claims
- 2333US4347716AFlexible shaft couplingHACKFORTH GMBH & CO KG·Filed 1980·Granted Sep 7, 1982·4 cites·4 claims
- 2430US6623362B1Elastic shaft couplingHACKFORTH GMBH & CO KG·Filed 1999·Granted Sep 23, 2003·2 cites·4 claims
- 2530US5360375ADevice for mechanically transmitting torqueHACKFORTH GMBH & CO KG·Filed 1992·Granted Nov 1, 1994·2 cites·3 claims
- 2630US4249394AFlexible shaft couplingHACKFORTH GMBH & CO KG·Filed 1979·Granted Feb 10, 1981·0 cites·6 claims
- 2728US4610642ARing segment connection arrangement for link couplingHACKFORTH GMBH & CO KG·Filed 1985·Granted Sep 9, 1986·1 cites·7 claims
- 2828US4277958AFlexible shaft couplingHACKFORTH GMBH & CO KG·Filed 1978·Granted Jul 14, 1981·2 cites·3 claims
- 2922US7597626B2Membrane coupling in a compact designHACKFORTH GMBH & CO KG·Filed 2005·Granted Oct 6, 2009·0 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →