Assignee
NAT UNION ELECTRIC CORP
US·32 granted patents·762 citations·filing 1953–1991
Top patents by PatentIndex Score
32 records- 0194US4665582ALightweight battery powered suction broomNAT UNION ELECTRIC CORP·Filed 1985·Granted May 19, 1987·129 cites·19 claims
- 0292US4376322ASuction cleanerNAT UNION ELECTRIC CORP·Filed 1980·Granted Mar 15, 1983·86 cites·34 claims
- 0387US4174858AConnection for securing a helically convoluted hose to a hose fittingNAT UNION ELECTRIC CORP·Filed 1976·Granted Nov 20, 1979·49 cites·13 claims
- 0486US4249281ASelf-propelled vacuum cleanerNAT UNION ELECTRIC CORP·Filed 1979·Granted Feb 10, 1981·52 cites·11 claims
- 0582US3954504AFused electrolyte cell and method of making the sameNAT UNION ELECTRIC CORP·Filed 1956·Granted May 4, 1976·22 cites·14 claims
- 0681US4369346AMicrowave baking utensilNAT UNION ELECTRIC CORP·Filed 1979·Granted Jan 18, 1983·48 cites·8 claims
- 0777US4621390AVacuum cleaner assemblyNAT UNION ELECTRIC CORP·Filed 1984·Granted Nov 11, 1986·42 cites·13 claims
- 0874US5170561AHub attachment for a drive shaft of a cordless grass/weed groomer trimmerNAT UNION ELECTRIC CORP·Filed 1991·Granted Dec 15, 1992·29 cites·25 claims
- 0974US4209873ABrush-beater for a vacuum cleaner and method for making the sameNAT UNION ELECTRIC CORP·Filed 1978·Granted Jul 1, 1980·36 cites·18 claims
- 1070US4358098AMounting nutNAT UNION ELECTRIC CORP·Filed 1980·Granted Nov 9, 1982·44 cites·14 claims
- 1168US4143441AVacuum cleaner nozzleNAT UNION ELECTRIC CORP·Filed 1977·Granted Mar 13, 1979·31 cites·8 claims
- 1261US4312542AMethod of making a brush-beater for a vacuum cleanerNAT UNION ELECTRIC CORP·Filed 1980·Granted Jan 26, 1982·17 cites·7 claims
- 1359US4392271AElectric vacuum cleaner with window for viewing beltNAT UNION ELECTRIC CORP·Filed 1981·Granted Jul 12, 1983·22 cites·8 claims
- 1458US4777691AMotor driven brush assembly for vacuum cleanerNAT UNION ELECTRIC CORP·Filed 1986·Granted Oct 18, 1988·27 cites·6 claims
- 1557US4147470AInsulated fan for electric applianceNAT UNION ELECTRIC CORP·Filed 1977·Granted Apr 3, 1979·19 cites·5 claims
- 1657US4017937AHose coupling for a suction cleanerNAT UNION ELECTRIC CORP·Filed 1975·Granted Apr 19, 1977·20 cites·8 claims
- 1755US4156055AAnode for thermal cellNAT UNION ELECTRIC CORP·Filed 1961·Granted May 22, 1979·7 cites·18 claims
- 1854US4156057ASecondary heat system for thermal batteriesNAT UNION ELECTRIC CORP·Filed 1961·Granted May 22, 1979·7 cites·5 claims
- 1948US4311493AVacuum cleaner bag assemblyNAT UNION ELECTRIC CORP·Filed 1980·Granted Jan 19, 1982·12 cites·16 claims
- 2048US4053690AThermal cellsNAT UNION ELECTRIC CORP·Filed 1954·Granted Oct 11, 1977·3 cites·5 claims
- 2145US4240812AVacuum cleaner bag assemblyNAT UNION ELECTRIC CORP·Filed 1979·Granted Dec 23, 1980·11 cites·3 claims
- 2244US4123597AThermal cellsNAT UNION ELECTRIC CORP·Filed 1953·Granted Oct 31, 1978·3 cites·10 claims
- 2344US4119414AFilter bag construction for a vacuum cleaner and method of operationNAT UNION ELECTRIC CORP·Filed 1976·Granted Oct 10, 1978·16 cites·9 claims
- 2443US4701975AVacuum cleaner assemblyNAT UNION ELECTRIC CORP·Filed 1986·Granted Oct 27, 1987·13 cites·7 claims
- 2542US4056662AThermal cells and electrolyte composition thereforNAT UNION ELECTRIC CORP·Filed 1954·Granted Nov 1, 1977·1 cites·6 claims
- 2641US4065604AThermal cells and electrolyte composition thereforNAT UNION ELECTRIC CORP·Filed 1954·Granted Dec 27, 1977·1 cites·10 claims
- 2737US4156056AThermal cell and method of making the sameNAT UNION ELECTRIC CORP·Filed 1961·Granted May 22, 1979·2 cites·13 claims
- 2835US4648149AVacuum cleaner assemblyNAT UNION ELECTRIC CORP·Filed 1986·Granted Mar 10, 1987·8 cites·6 claims
- 2935US3975209AThermal cell with an anode comprising a magnesium alloy with a refractory oxideNAT UNION ELECTRIC CORP·Filed 1965·Granted Aug 17, 1976·2 cites·18 claims
- 3034US4065605AThermal cellsNAT UNION ELECTRIC CORP·Filed 1954·Granted Dec 27, 1977·1 cites·6 claims
- 3133US3954503AThermal cell and method of making sameNAT UNION ELECTRIC CORP·Filed 1955·Granted May 4, 1976·1 cites·14 claims
- 3212US4005501AMounting means for the rotatable brush roll of a suction cleanerNAT UNION ELECTRIC CORP·Filed 1975·Granted Feb 1, 1977·1 cites·12 claims
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