Assignee
MUELLER CO
55 granted patents·1 pending application·1,576 citations·filing 1974–2002
Top patents by PatentIndex Score
56 records- 0194US4365393ASingle and multiple section pipe repair clampsMUELLER CO·Filed 1981·Granted Dec 28, 1982·95 cites·17 claims
- 0294US3995655AApparatus for and method of making a service line connection through a fittingMUELLER CO·Filed 1975·Granted Dec 7, 1976·84 cites·16 claims
- 0394US3980097AFire hydrant with drain valve and backflow preventer mechanismMUELLER CO·Filed 1975·Granted Sep 14, 1976·99 cites·21 claims
- 0491US4381020ASingle and multiple section pipe repair or service clampsMUELLER CO·Filed 1981·Granted Apr 26, 1983·76 cites·11 claims
- 0591US4000753AMeans for locking replaceable nozzles to fire hydrantsMUELLER CO·Filed 1975·Granted Jan 4, 1977·56 cites·10 claims
- 0690US4258941AService clamp for plastic pipe or the likeMUELLER CO·Filed 1979·Granted Mar 31, 1981·65 cites·8 claims
- 0788USD359103SValveMUELLER CO·Filed 1993·Granted Jun 6, 1995·33 cites·1 claims
- 0888US4489746ABackflow preventer apparatusMUELLER CO·Filed 1982·Granted Dec 25, 1984·50 cites·11 claims
- 0984US4453561ACheck valve assembly for use in backflow preventers or the likeMUELLER CO·Filed 1982·Granted Jun 12, 1984·40 cites·6 claims
- 1083US4566481ATamperproof fire hydrantsMUELLER CO·Filed 1985·Granted Jan 28, 1986·62 cites·9 claims
- 1182US4057357AChipless shell cutter for large diameter plastic pipeMUELLER CO·Filed 1975·Granted Nov 8, 1977·42 cites·23 claims
- 1280US4083377AFire hydrant with improved weather cap and bonnet arrangementMUELLER CO·Filed 1976·Granted Apr 11, 1978·32 cites·14 claims
- 1380US3980096AFire hydrantMUELLER CO·Filed 1975·Granted Sep 14, 1976·37 cites·24 claims
- 1479US4141574AMeans for locking threaded nozzles to a fire hydrantMUELLER CO·Filed 1977·Granted Feb 27, 1979·48 cites·6 claims
- 1578US5082246AGas ball valveMUELLER CO·Filed 1991·Granted Jan 21, 1992·45 cites·46 claims
- 1677US3991975ARotary plug valve with notched sealing ring grooveMUELLER CO·Filed 1975·Granted Nov 16, 1976·35 cites·22 claims
- 1776US4614113AWater meter service installationMUELLER CO·Filed 1985·Granted Sep 30, 1986·33 cites·11 claims
- 1875US4953588ADual check valveMUELLER CO·Filed 1989·Granted Sep 4, 1990·29 cites·13 claims
- 1975US4407482ACoupling joint for telescoping tubular membersMUELLER CO·Filed 1980·Granted Oct 4, 1983·30 cites·26 claims
- 2074US4227544AFire hydrant with improved shoe and valveMUELLER CO·Filed 1979·Granted Oct 14, 1980·31 cites·24 claims
- 2173US4778152APlug valve havig interchangeable plug memberMUELLER CO·Filed 1987·Granted Oct 18, 1988·29 cites·24 claims
- 2273US3957245AGate valve structureMUELLER CO·Filed 1974·Granted May 18, 1976·22 cites·9 claims
- 2371US6467500B2Ball valve locking deviceMUELLER CO·Filed 2001·Granted Oct 22, 2002·21 cites·5 claims
- 2471US4010930ATwo-way rotary plug valveMUELLER CO·Filed 1975·Granted Mar 8, 1977·24 cites·14 claims
- 2570US4303223AValve facing for sliding valve elements or the likeMUELLER CO·Filed 1978·Granted Dec 1, 1981·37 cites·25 claims
- 2669US4141537AValve seat construction for butterfly valvesMUELLER CO·Filed 1975·Granted Feb 27, 1979·22 cites·13 claims
- 2768USD359102SValveMUELLER CO·Filed 1993·Granted Jun 6, 1995·13 cites·1 claims
- 2866US4223868AResilient seated gate valveMUELLER CO·Filed 1979·Granted Sep 23, 1980·21 cites·11 claims
- 2965US3963214AResilient seated gate valve with split bodyMUELLER CO·Filed 1974·Granted Jun 15, 1976·20 cites·27 claims
- 3064US4409708APipe clamp with improved retaining lugsMUELLER CO·Filed 1981·Granted Oct 18, 1983·29 cites·24 claims
- 3163US4964614AMethod for forming a ball valve connection and structureMUELLER CO·Filed 1989·Granted Oct 23, 1990·20 cites·8 claims
- 3263US4068866AStab-type joint for smooth end or flareless pipeMUELLER CO·Filed 1976·Granted Jan 17, 1978·26 cites·18 claims
- 3362US4842246AValve seat configurationMUELLER CO·Filed 1988·Granted Jun 27, 1989·21 cites·2 claims
- 3462US3991791ABayonet-type closure for line stopper fittingsMUELLER CO·Filed 1975·Granted Nov 16, 1976·24 cites·9 claims
- 3560US4554944AOperating wrench for tamperproof hydrantsMUELLER CO·Filed 1985·Granted Nov 26, 1985·20 cites·9 claims
- 3659US4523607ABackflow preventer apparatusMUELLER CO·Filed 1984·Granted Jun 18, 1985·15 cites·4 claims
- 3759US4285368APipeline stopper and pipe fittingMUELLER CO·Filed 1977·Granted Aug 25, 1981·28 cites·17 claims
- 3857US4813281AUnderground meter boxMUELLER CO·Filed 1987·Granted Mar 21, 1989·17 cites·3 claims
- 3955US5020934ACorrosion resistance for fire hydrant stem safety couplingMUELLER CO·Filed 1990·Granted Jun 4, 1991·25 cites·16 claims
- 4052US4506694ARelief valve assembly for use with backflow preventersMUELLER CO·Filed 1982·Granted Mar 26, 1985·12 cites·16 claims
- 4149US4699168ATheft-resistant valveMUELLER CO·Filed 1986·Granted Oct 13, 1987·12 cites·8 claims
- 4248US3977066APipefitting securing toolMUELLER CO·Filed 1975·Granted Aug 31, 1976·10 cites·15 claims
- 4346US4553563ARelief valve assembly for use with backflow preventersMUELLER CO·Filed 1984·Granted Nov 19, 1985·9 cites·14 claims
- 4445US5447340AElectrically insulated piped coupling employing a radial insulating barrierMUELLER CO·Filed 1994·Granted Sep 5, 1995·14 cites·9 claims
- 4544US4717178AFrangible coupling for barrel sections of a fire hydrantMUELLER CO·Filed 1986·Granted Jan 5, 1988·12 cites·20 claims
- 4643US4690019AOperating wrench for tamperproof hydrantsMUELLER CO·Filed 1985·Granted Sep 1, 1987·10 cites·6 claims
- 4742US4964613AGate valveMUELLER CO·Filed 1989·Granted Oct 23, 1990·10 cites·5 claims
- 4839US4848730AStructure for sealing and affixing a cover on a valve body and method of manufactureMUELLER CO·Filed 1988·Granted Jul 18, 1989·8 cites·17 claims
- 4934US5121772AWet barrel fire hydrant with improved flow capabilityMUELLER CO·Filed 1990·Granted Jun 16, 1992·4 cites·25 claims
- 5032US5373889AMethod of making a three-way fire hydrantMUELLER CO·Filed 1993·Granted Dec 20, 1994·5 cites·1 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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