Assignee
WITZENMANN METALLSCHLAUCHFAB
DE·21 granted patents·1 pending application·773 citations·filing 1984–2001
Top patents by PatentIndex Score
22 records- 0191US6230748B1Flexible conduit having a cylindrical knit metal wire elementWITZENMANN METALLSCHLAUCHFAB·Filed 2000·Granted May 15, 2001·59 cites·19 claims
- 0291US5901754AFlexible fluid conduit element with a metal bellowsWITZENMANN METALLSCHLAUCHFAB·Filed 1997·Granted May 11, 1999·94 cites·40 claims
- 0388US4791963AFlexible tube with mutually parallel, ring-shaped flutes and axial supportWITZENMANN METALLSCHLAUCHFAB·Filed 1986·Granted Dec 20, 1988·86 cites·14 claims
- 0487US6354332B1Coolant line for air conditioning systemsWITZENMANN METALLSCHLAUCHFAB·Filed 2000·Granted Mar 12, 2002·84 cites·23 claims
- 0587US6240969B1Conduit element for exhaust gas conduits of motor vehiclesWITZENMANN METALLSCHLAUCHFAB·Filed 2000·Granted Jun 5, 2001·47 cites·19 claims
- 0682US4747624AConnection arrangement for two pipes carrying hot fluids, for example internal combustion engine exhaust gasesWITZENMANN METALLSCHLAUCHFAB·Filed 1986·Granted May 31, 1988·58 cites·19 claims
- 0780US6062268ATube element with one metal bellowsWITZENMANN METALLSCHLAUCHFAB·Filed 1998·Granted May 16, 2000·51 cites·21 claims
- 0869US6296282B1Articulated connecting element for piping elementsWITZENMANN METALLSCHLAUCHFAB·Filed 1998·Granted Oct 2, 2001·37 cites·12 claims
- 0966US4911206ASupported flexible thin-walled tube structureWITZENMANN METALLSCHLAUCHFAB·Filed 1988·Granted Mar 27, 1990·36 cites·19 claims
- 1063US6116287AFlexible tube element for exhaust systemsWITZENMANN METALLSCHLAUCHFAB·Filed 1998·Granted Sep 12, 2000·31 cites·12 claims
- 1159US6386594B1Connection element for a composite hose and process for connecting composite hoseWITZENMANN METALLSCHLAUCHFAB·Filed 2000·Granted May 14, 2002·19 cites·11 claims
- 1258US6062266AMultibellows elementWITZENMANN METALLSCHLAUCHFAB·Filed 1998·Granted May 16, 2000·26 cites·18 claims
- 1357US4875716AJointed pipe connection, particularly for automotive exhaust pipesWITZENMANN METALLSCHLAUCHFAB·Filed 1987·Granted Oct 24, 1989·29 cites·25 claims
- 1456US5358287AJointed pipe connectionWITZENMANN METALLSCHLAUCHFAB·Filed 1993·Granted Oct 25, 1994·28 cites·13 claims
- 1555US6125889AFlexible conveying elementWITZENMANN METALLSCHLAUCHFAB·Filed 1999·Granted Oct 3, 2000·21 cites·15 claims
- 1651US4727908AFlexible tube or hose of rectangular cross-section, particularly energy supply conduitsWITZENMANN METALLSCHLAUCHFAB·Filed 1986·Granted Mar 1, 1988·23 cites·15 claims
- 1744US5865475AConnection between a building component and a pipe-shaped line elementWITZENMANN METALLSCHLAUCHFAB·Filed 1997·Granted Feb 2, 1999·15 cites·20 claims
- 1836US5024211AHeat exchange medium connector for movable solar heatersWITZENMANN METALLSCHLAUCHFAB·Filed 1990·Granted Jun 18, 1991·11 cites·15 claims
- 1928US2002079702A1Flexible conduit element with a connection device attached to at least one endWITZENMANN METALLSCHLAUCHFAB·Filed 2001·Application pending·0 cites
- 2026US4856494ASolar heating installation with failure-protected heating medium hoseWITZENMANN METALLSCHLAUCHFAB·Filed 1987·Granted Aug 15, 1989·7 cites·21 claims
- 2123US4880259AHigh-temperature-resistant type couplingWITZENMANN METALLSCHLAUCHFAB·Filed 1988·Granted Nov 14, 1989·7 cites·22 claims
- 2222US4542877ASupport spring blocking structure, and spring-structure combinationWITZENMANN METALLSCHLAUCHFAB·Filed 1984·Granted Sep 24, 1985·4 cites·16 claims
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