Inventor · disambiguated record
H. Alfred Eberhardt
Also filed as: EBERHARDT H ALFRED
42 granted patents·2 pending applications·843 citations·filing 1975–2007
98Inventor score
Top patents by PatentIndex Score
44 records- 0192US4786239APumping system selectably operable as a fire pump or a hydraulic pumpHALE FIRE PUMP CO·Filed 1983·Granted Nov 22, 1988·42 cites·10 claims
- 0289USRE36196EAir supply system for firefighting apparatusHALE PRODUCTS INC·Filed 1996·Granted Apr 27, 1999·67 cites·19 claims
- 0388US4337830APump assemblyHALE FIRE PUMP CO·Filed 1980·Granted Jul 6, 1982·58 cites·11 claims
- 0484US4089345ADischarge valveHALE FIRE PUMP CO·Filed 1976·Granted May 16, 1978·36 cites·13 claims
- 0583US4064891APlural fluid proportioning apparatusHALE FIRE PUMP CO·Filed 1975·Granted Dec 27, 1977·33 cites·29 claims
- 0682US4712516AFuel supply for a rotary piston engineHALE FIRE PUMP CO·Filed 1985·Granted Dec 15, 1987·29 cites·4 claims
- 0781US4503812AStarting system for a portable engine-pump unitHALE FIRE PUMP CO·Filed 1982·Granted Mar 12, 1985·29 cites·13 claims
- 0877US5145014AAir supply system for firefighting apparatusHALE FIRE PUMP CO·Filed 1990·Granted Sep 8, 1992·56 cites·17 claims
- 0977USD303533SHousing for a portable pumpHALE FIRE PUMP CO·Filed 1987·Granted Sep 19, 1989·16 cites·1 claims
- 1076US4311440APumpHALE FIRE PUMP CO·Filed 1977·Granted Jan 19, 1982·22 cites·3 claims
- 1170US4245952APumpHALE FIRE PUMP CO·Filed 1979·Granted Jan 20, 1981·24 cites·13 claims
- 1270US4018544ACentrifugal pumpHALE FIRE PUMP CO·Filed 1976·Granted Apr 19, 1977·26 cites·1 claims
- 1368US4720050AComminutor-pump assemblyHALE FIRE PUMP CO·Filed 1982·Granted Jan 19, 1988·17 cites·14 claims
- 1466US4976319AWater driven fan for firefightingHALE FIRE PUMP CO·Filed 1989·Granted Dec 11, 1990·24 cites·24 claims
- 1566US4448256AFoam liquid proportionerHALE FIRE PUMP CO·Filed 1982·Granted May 15, 1984·32 cites·5 claims
- 1664US4979693APortable hose reelHALE FIRE PUMP CO·Filed 1989·Granted Dec 25, 1990·30 cites·20 claims
- 1763US4762281ADrive arrangements for comminutor-pump assemblyHALE FIRE PUMP CO·Filed 1983·Granted Aug 9, 1988·15 cites·13 claims
- 1863US4643652APortable engine-pump assemblyHALE FIRE PUMP CO·Filed 1985·Granted Feb 17, 1987·26 cites·14 claims
- 1961US4676065APortable engine-pump assemblyHALE FIRE PUMP CO·Filed 1986·Granted Jun 30, 1987·16 cites·7 claims
- 2061US4633895AFluid proportioning apparatusHALE FIRE PUMP CO·Filed 1985·Granted Jan 6, 1987·25 cites·18 claims
- 2160US4570605AFuel supply for a piston engineHALE FIRE PUMP CO·Filed 1982·Granted Feb 18, 1986·10 cites·15 claims
- 2259US4471756AAir supply distributor for fireplacesEBERHARDT H ALFRED·Filed 1979·Granted Sep 18, 1984·10 cites·9 claims
- 2357US4553902AFloating portable pumpDIESEL KIKI CO·Filed 1984·Granted Nov 19, 1985·18 cites·12 claims
- 2455US4907654AWater driven fan system for firefightingHALE FIRE PUMP CO·Filed 1988·Granted Mar 13, 1990·20 cites·9 claims
- 2555US2008156892A1Fireplace heat exchangerEBERHARDT H ALFRED·Filed 2006·Application pending·0 cites
- 2654US6047695AFireplace heat exchangerFiled 1998·Granted Apr 11, 2000·16 cites·5 claims
- 2748US5979437AAir control apparatus for a fireplaceFiled 1997·Granted Nov 9, 1999·13 cites·21 claims
- 2848US2008160894A1Partitioned chimney cap and fireplace venting systemEBERHARDT H ALFRED·Filed 2007·Application pending·0 cites
- 2947US5128033AOil separatorEBERHARDT H ALFRED·Filed 1990·Granted Jul 7, 1992·12 cites·22 claims
- 3047US5085770AOil separatorEBERHARDT H ALFRED·Filed 1990·Granted Feb 4, 1992·13 cites·12 claims
- 3147US4357930AHeating system for fireplacesEBERHARDT H ALFRED·Filed 1981·Granted Nov 9, 1982·11 cites·11 claims
- 3246US5215499APositive pressure safety systemHALE FIRE PUMP CO·Filed 1992·Granted Jun 1, 1993·16 cites·11 claims
- 3343US4653978ARelief valve systemHALE FIRE PUMP CO·Filed 1984·Granted Mar 31, 1987·8 cites·14 claims
- 3442US4351391AHeat exchanger for water pumping systemHALE FIRE PUMP CO·Filed 1980·Granted Sep 28, 1982·9 cites·6 claims
- 3541US5063670APortable cutter toolHALE FIRE PUMP CO·Filed 1990·Granted Nov 12, 1991·8 cites·15 claims
- 3641US4690613APortable engine-pump assemblyHALE FIRE PUMP CO·Filed 1986·Granted Sep 1, 1987·7 cites·6 claims
- 3740US5572986AFireplace heat exchangerFiled 1995·Granted Nov 12, 1996·8 cites·17 claims
- 3838US4734019APumping systemHALE FIRE PUMP CO·Filed 1986·Granted Mar 29, 1988·8 cites·14 claims
- 3938US4209282APump assemblyHALE FIRE PUMP·Filed 1978·Granted Jun 24, 1980·9 cites·7 claims
- 4037US5727540AFireplace heat exchangerFiled 1996·Granted Mar 17, 1998·6 cites·8 claims
- 4136US4831886AFlow indicatorHALE FIRE PUMP CO·Filed 1987·Granted May 23, 1989·5 cites·7 claims
- 4236US4715327AFlow system for engine-pump assemblyHALE FIRE PUMP CO·Filed 1986·Granted Dec 29, 1987·5 cites·12 claims
- 4336US4691667AGasoline engine EMI suppression systemHALE FIRE PUMP CO·Filed 1986·Granted Sep 8, 1987·4 cites·6 claims
- 4433US4024886ARotary valveHALE FIRE PUMP CO·Filed 1976·Granted May 24, 1977·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →