Assignee
CHEMED CORP
45 granted patents·1,353 citations·filing 1973–1987
Top patents by PatentIndex Score
45 records- 0195US4098720ACorrosion inhibitionCHEMED CORP·Filed 1976·Granted Jul 4, 1978·60 cites·9 claims
- 0295US4066398ACorrosion inhibitionCHEMED CORP·Filed 1974·Granted Jan 3, 1978·53 cites·5 claims
- 0393US4111679APolyquaternary compounds for the control of microbiological growthCHEMED CORP·Filed 1977·Granted Sep 5, 1978·59 cites·3 claims
- 0492US4067690ABoiler water treatmentCHEMED CORP·Filed 1977·Granted Jan 10, 1978·67 cites·6 claims
- 0591US4134959AAzole-phosphate corrosion inhibiting composition and methodCHEMED CORP·Filed 1977·Granted Jan 16, 1979·50 cites·1 claims
- 0688US4255259AScale inhibitionCHEMED CORP·Filed 1979·Granted Mar 10, 1981·49 cites·9 claims
- 0786US4353745ACleaner for anti-graffiti systemCHEMED CORP·Filed 1981·Granted Oct 12, 1982·50 cites·3 claims
- 0886US3935125AMethod and composition for inhibiting corrosion in aqueous systemsCHEMED CORP·Filed 1974·Granted Jan 27, 1976·46 cites·5 claims
- 0985US4278635AMethod for deoxygenation of waterCHEMED CORP·Filed 1979·Granted Jul 14, 1981·60 cites·5 claims
- 1085US4147650ASlurried detergent and methodCHEMED CORP·Filed 1977·Granted Apr 3, 1979·72 cites·2 claims
- 1184US4048066AMethod of inhibiting scaleCHEMED CORP·Filed 1976·Granted Sep 13, 1977·41 cites·9 claims
- 1283US4242216AStabilized dichlorodimethyl hydantoinCHEMED CORP·Filed 1979·Granted Dec 30, 1980·44 cites·3 claims
- 1383US4228048AFoam cleaner for food plantsCHEMED CORP·Filed 1979·Granted Oct 14, 1980·53 cites·4 claims
- 1483US4101441AComposition and method of inhibiting corrosionCHEMED CORP·Filed 1976·Granted Jul 18, 1978·37 cites·4 claims
- 1583US3959167AMethod and composition of inhibiting scaleCHEMED CORP·Filed 1973·Granted May 25, 1976·23 cites·12 claims
- 1682US4222131AHook type fowler for hospital stretchersCHEMED CORP·Filed 1978·Granted Sep 16, 1980·51 cites·17 claims
- 1779US4202796AAnti-corrosion compositionCHEMED CORP·Filed 1978·Granted May 13, 1980·19 cites·11 claims
- 1878US4245573AAir heater corrosion preventionCHEMED CORP·Filed 1978·Granted Jan 20, 1981·22 cites·8 claims
- 1978US4088600ADemulsification using cationic starches of the quaternary ammonium typeCHEMED CORP·Filed 1976·Granted May 9, 1978·37 cites·8 claims
- 2077US4719083AComposition useful as corrosion inhibitor, anti-scalant and continuous biocide for water cooling towers and method of useCHEMED CORP·Filed 1987·Granted Jan 12, 1988·41 cites·33 claims
- 2176US4306991AScale inhibitionCHEMED CORP·Filed 1980·Granted Dec 22, 1981·33 cites·8 claims
- 2272US4681696ASolid stabilized active halogen-containing detergent compositions and methodsCHEMED CORP·Filed 1986·Granted Jul 21, 1987·44 cites·9 claims
- 2371US4155657AContinuous mixer for preparing emulsionsCHEMED CORP·Filed 1978·Granted May 22, 1979·37 cites·5 claims
- 2468US4215004ASlurried laundry detergentCHEMED CORP·Filed 1979·Granted Jul 29, 1980·33 cites·3 claims
- 2566US4230592AControlled foam detergent additiveCHEMED CORP·Filed 1979·Granted Oct 28, 1980·26 cites·3 claims
- 2663US4362994ASelf alarming five single electrodes conductivity cellCHEMED CORP·Filed 1980·Granted Dec 7, 1982·24 cites·10 claims
- 2761US4157977ADetergent-germicide compositionsCHEMED CORP·Filed 1976·Granted Jun 12, 1979·26 cites·10 claims
- 2861US4089831AComposition and method for dispersing flocculant polymersCHEMED CORP·Filed 1977·Granted May 16, 1978·25 cites·14 claims
- 2960US4204954ADetoxification of residual quaternariesCHEMED CORP·Filed 1979·Granted May 27, 1980·16 cites·4 claims
- 3058US4248728ALiquid scouring cleanserCHEMED CORP·Filed 1979·Granted Feb 3, 1981·26 cites·6 claims
- 3158US4190421AFireside treating compositionsCHEMED CORP·Filed 1978·Granted Feb 26, 1980·12 cites·2 claims
- 3251US4256703AFly ash collectionCHEMED CORP·Filed 1979·Granted Mar 17, 1981·14 cites·19 claims
- 3350US4010135AComposition and method for dispersing high molecular weight flocculant polymers in waterCHEMED CORP·Filed 1975·Granted Mar 1, 1977·11 cites·14 claims
- 3449US4012354AComposition and method of flocculating mineral solids colloidally suspended in an aqueous mediumCHEMED CORP·Filed 1975·Granted Mar 15, 1977·11 cites·2 claims
- 3546US4082459AAnalytical cell assembly for an analyzerCHEMED CORP·Filed 1976·Granted Apr 4, 1978·10 cites·16 claims
- 3645US4365200ASelf alarming four double electrodes conductivity cellCHEMED CORP·Filed 1980·Granted Dec 21, 1982·10 cites·10 claims
- 3744US4070992ABoiler blow down controllerCHEMED CORP·Filed 1976·Granted Jan 31, 1978·8 cites·18 claims
- 3843US4225471ACleaning composition containing mineral spirits alkanolamide, and oleyl dimethylamine oxideCHEMED CORP·Filed 1978·Granted Sep 30, 1980·11 cites·3 claims
- 3941US4298018APumping processCHEMED CORP·Filed 1980·Granted Nov 3, 1981·13 cites·4 claims
- 4035US4080351AComposition and method for dispersing high molecular weight polymers in waterCHEMED CORP·Filed 1976·Granted Mar 21, 1978·10 cites·9 claims
- 4135US3954646ADisinfectant composition and methodCHEMED CORP·Filed 1974·Granted May 4, 1976·3 cites·6 claims
- 4233US4406812ADeodorant and reconditioner for metal working fluidsCHEMED CORP·Filed 1980·Granted Sep 27, 1983·8 cites·5 claims
- 4333US4071450APrecipitation of iron related color bodiesCHEMED CORP·Filed 1976·Granted Jan 31, 1978·3 cites·8 claims
- 4433US4061589ACorrosion inhibitor for cooling water systemsCHEMED CORP·Filed 1977·Granted Dec 6, 1977·3 cites·13 claims
- 4530US4115139AProduction of raw mix cement slurries having reduced water contentCHEMED CORP·Filed 1978·Granted Sep 19, 1978·2 cites·5 claims
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