Inventor
EBERHARDT H ALFRED
US42 patents
⚠️ This page may combine multiple inventors who share the name “EBERHARDT H ALFRED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALE FIRE PUMP CO
31 patentsUS5145014ASep 8, 1992
Air supply system for firefighting apparatus
HALE FIRE PUMP CO56 citations96
US4337830AJul 6, 1982
Pump assembly
HALE FIRE PUMP CO58 citations96
US4786239ANov 22, 1988
Pumping system selectably operable as a fire pump or a hydraulic pump
HALE FIRE PUMP CO42 citations93
US4712516ADec 15, 1987
Fuel supply for a rotary piston engine
HALE FIRE PUMP CO29 citations93
US4643652AFeb 17, 1987
Portable engine-pump assembly
HALE FIRE PUMP CO26 citations93
US4633895AJan 6, 1987
Fluid proportioning apparatus
HALE FIRE PUMP CO25 citations93
US4503812AMar 12, 1985
Starting system for a portable engine-pump unit
HALE FIRE PUMP CO29 citations93
US4089345AMay 16, 1978
Discharge valve
HALE FIRE PUMP CO36 citations93
US4064891ADec 27, 1977
Plural fluid proportioning apparatus
HALE FIRE PUMP CO33 citations93
US4979693ADec 25, 1990
Portable hose reel
HALE FIRE PUMP CO30 citations92
US4976319ADec 11, 1990
Water driven fan for firefighting
HALE FIRE PUMP CO24 citations92
US4448256AMay 15, 1984
Foam liquid proportioner
HALE FIRE PUMP CO32 citations89
US4907654AMar 13, 1990
Water driven fan system for firefighting
HALE FIRE PUMP CO20 citations82
US4311440AJan 19, 1982
Pump
HALE FIRE PUMP CO22 citations82
US4245952AJan 20, 1981
Pump
HALE FIRE PUMP CO24 citations82
US4018544AApr 19, 1977
Centrifugal pump
HALE FIRE PUMP CO26 citations82
US5215499AJun 1, 1993
Positive pressure safety system
HALE FIRE PUMP CO16 citations74
USD303533SSep 19, 1989
Housing for a portable pump
HALE FIRE PUMP CO16 citations74
US4762281AAug 9, 1988
Drive arrangements for comminutor-pump assembly
HALE FIRE PUMP CO15 citations74
US4734019AMar 29, 1988
Pumping system
HALE FIRE PUMP CO8 citations74
US4720050AJan 19, 1988
Comminutor-pump assembly
HALE FIRE PUMP CO17 citations74
US4690613ASep 1, 1987
Portable engine-pump assembly
HALE FIRE PUMP CO7 citations74
US4676065AJun 30, 1987
Portable engine-pump assembly
HALE FIRE PUMP CO16 citations74
US4570605AFeb 18, 1986
Fuel supply for a piston engine
HALE FIRE PUMP CO10 citations74
US4351391ASep 28, 1982
Heat exchanger for water pumping system
HALE FIRE PUMP CO9 citations74
US5063670ANov 12, 1991
Portable cutter tool
HALE FIRE PUMP CO8 citations72
US4653978AMar 31, 1987
Relief valve system
HALE FIRE PUMP CO8 citations72
US4831886AMay 23, 1989
Flow indicator
HALE FIRE PUMP CO5 citations63
US4715327ADec 29, 1987
Flow system for engine-pump assembly
HALE FIRE PUMP CO5 citations63
US4691667ASep 8, 1987
Gasoline engine EMI suppression system
HALE FIRE PUMP CO4 citations59
US4024886AMay 24, 1977
Rotary valve
HALE FIRE PUMP CO4 citations59
(unassigned)
4 patentsEBERHARDT H ALFRED
4 patentsUS5128033AJul 7, 1992
Oil separator
EBERHARDT H ALFRED12 citations73
US5085770AFeb 4, 1992
Oil separator
EBERHARDT H ALFRED13 citations73
US4471756ASep 18, 1984
Air supply distributor for fireplaces
EBERHARDT H ALFRED10 citations73
US4357930ANov 9, 1982
Heating system for fireplaces
EBERHARDT H ALFRED11 citations73