Assignee
CHERNE IND INC
US·35 granted patents·1,725 citations·filing 1973–2008
Top patents by PatentIndex Score
35 records- 0193US4614206AExpansible pneumatic plug deviceCHERNE IND INC·Filed 1985·Granted Sep 30, 1986·67 cites·16 claims
- 0291US4763660AFlexible and disposable electrode belt deviceCHERNE IND INC·Filed 1987·Granted Aug 16, 1988·468 cites·26 claims
- 0391US4493344AMechanical plug deviceCHERNE IND INC·Filed 1983·Granted Jan 15, 1985·89 cites·7 claims
- 0490US4695258AConnector assembly for electrically connecting flexible and rigid printed circuitsCHERNE IND INC·Filed 1986·Granted Sep 22, 1987·123 cites·13 claims
- 0585US4974168AAutomatic pipeline data collection and display systemCHERNE IND INC·Filed 1988·Granted Nov 27, 1990·113 cites·20 claims
- 0683US4691728AElectronic test and seal apparatus and methodCHERNE IND INC·Filed 1986·Granted Sep 8, 1987·43 cites·20 claims
- 0782USD300350SExpansible sealing plug for pipelines and the likeCHERNE IND INC·Filed 1985·Granted Mar 21, 1989·20 cites·1 claims
- 0882US4672976AHeart sound sensorCHERNE IND INC·Filed 1986·Granted Jun 16, 1987·170 cites·16 claims
- 0980US7325574B1Rupture disc assembly for pneumatic plugsCHERNE IND INC·Filed 2005·Granted Feb 5, 2008·10 cites·20 claims
- 1080US4817671AHigh pressure mechanical plug deviceCHERNE IND INC·Filed 1988·Granted Apr 4, 1989·48 cites·27 claims
- 1179US5035266AMechanical plug for clean-out teesCHERNE IND INC·Filed 1989·Granted Jul 30, 1991·47 cites·14 claims
- 1278US4177559AInternal pipe cutterCHERNE IND INC·Filed 1978·Granted Dec 11, 1979·21 cites·8 claims
- 1377US6415816B1Air admittance valve assemblyCHERNE IND INC·Filed 2000·Granted Jul 9, 2002·25 cites·36 claims
- 1474US7422030B2Air admittance valve assemblyCHERNE IND INC·Filed 2005·Granted Sep 9, 2008·7 cites·20 claims
- 1574US6557825B2Air admittance valve connector assemblyCHERNE IND INC·Filed 2001·Granted May 6, 2003·21 cites·20 claims
- 1674US4672977ALung sound cancellation method and apparatusCHERNE IND INC·Filed 1986·Granted Jun 16, 1987·111 cites·17 claims
- 1774US4572228AConnector valve assembly for inflatable packer deviceCHERNE IND INC·Filed 1984·Granted Feb 25, 1986·26 cites·20 claims
- 1873US4763511APipe joint sealing and testing apparatusCHERNE IND INC·Filed 1986·Granted Aug 16, 1988·29 cites·20 claims
- 1967US6182704B1Frangible sealing plug for pipelinesCHERNE IND INC·Filed 1999·Granted Feb 6, 2001·31 cites·25 claims
- 2065US5209266AHigh pressure inflatable plug deviceCHERNE IND INC·Filed 1992·Granted May 11, 1993·36 cites·14 claims
- 2164US6250337B1Mechanical plug assemblyCHERNE IND INC·Filed 1999·Granted Jun 26, 2001·29 cites·22 claims
- 2260US5076328APressure relief valve assemblyCHERNE IND INC·Filed 1991·Granted Dec 31, 1991·20 cites·19 claims
- 2359US5234034APneumatic plug deviceCHERNE IND INC·Filed 1992·Granted Aug 10, 1993·25 cites·17 claims
- 2457US5353841APneumatic plug for clean-out teesCHERNE IND INC·Filed 1993·Granted Oct 11, 1994·23 cites·19 claims
- 2554US8020577B1Rupture disc assembly for pneumatic plugsCHERNE IND INC·Filed 2008·Granted Sep 20, 2011·5 cites·16 claims
- 2652US4190619ALiquid aerating rotor assemblyCHERNE IND INC·Filed 1978·Granted Feb 26, 1980·18 cites·3 claims
- 2751US5643386AAssembly process for fabric bag plugCHERNE IND INC·Filed 1995·Granted Jul 1, 1997·15 cites·20 claims
- 2850US5348085AMechanical plug deviceCHERNE IND INC·Filed 1993·Granted Sep 20, 1994·24 cites·18 claims
- 2950US5329646ADrain flusher deviceCHERNE IND INC·Filed 1993·Granted Jul 19, 1994·17 cites·20 claims
- 3048US5546991AInflatable fabric bag plugCHERNE IND INC·Filed 1995·Granted Aug 20, 1996·14 cites·20 claims
- 3146US3951173AMethod and apparatus for sealing large diameter pipesCHERNE IND INC·Filed 1974·Granted Apr 20, 1976·9 cites·3 claims
- 3241US4096997ADual outlet check valve assemblyCHERNE IND INC·Filed 1976·Granted Jun 27, 1978·11 cites·8 claims
- 3339US4588110APortable waterproofing apparatusCHERNE IND INC·Filed 1985·Granted May 13, 1986·10 cites·20 claims
- 3419US3935881AApparatus for steady-state volume rate flow controlCHERNE IND INC·Filed 1973·Granted Feb 3, 1976·0 cites·5 claims
- 3513US3966859AMultiple stage liquid cooling assemblyCHERNE IND INC·Filed 1973·Granted Jun 29, 1976·0 cites·19 claims
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