P

Inventor

ERICKSON JOHN W

89 patents
⚠️ This page may combine multiple inventors who share the name “ERICKSON JOHN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOBE INC

33 patents
US4285401AAug 25, 1981

Electric and hydraulic powered thermal stimulation and recovery system and method for subterranean wells

KOBE INC59 citations96
US4278399AJul 14, 1981

Pumping stage for multi-stage centrifugal pump

KOBE INC90 citations96
US4310288AJan 12, 1982

Method and apparatus for improving erosion resistance of the mixing chamber of a jet pump

KOBE INC31 citations93
US4253524AMar 3, 1981

High flow check valve apparatus

KOBE INC29 citations93
US4198218AApr 15, 1980

Gas separation apparatus

KOBE INC33 citations93
US4101246AJul 18, 1978

Vortex jet pump

KOBE INC40 citations93
US4059364ANov 22, 1977

Pitot compressor with liquid separator

KOBE INC55 citations93
US4047581ASep 13, 1977

Multistage, downhole, turbo-powered intensifier for drilling petroleum wells

KOBE INC35 citations93
US4294573AOct 13, 1981

Submersible electrically powered centrifugal and jet pump assembly

KOBE INC30 citations92
US4280662AJul 28, 1981

Erosion resistant jet pump and method of making same

KOBE INC31 citations92
US4135861AJan 23, 1979

Jet pump with ceramic venturi

KOBE INC36 citations90
US4073596AFeb 14, 1978

Lubricant cooling for high-speed pitot pump

KOBE INC34 citations90
US4044943AAug 30, 1977

Centrifugal separator and system

KOBE INC39 citations90
US4346256AAug 24, 1982

Conduit in supplying electrical power and pressurized fluid to a point in a subterranean well

KOBE INC44 citations89
US4304410ADec 8, 1981

Sealing structure for reciprocating pistons exposed to high pressure differentials

KOBE INC38 citations89
US4381175AApr 26, 1983

Jet electric pump

KOBE INC25 citations82
US4262226AApr 14, 1981

Insulating fluid system for protecting submersible electric motors from surrounding fluids

KOBE INC20 citations82
US4252499AFeb 24, 1981

Centrifugal pump

KOBE INC23 citations82
US4425083AJan 10, 1984

Velocity actuated valve for a downhole pump

KOBE INC20 citations80
US4113452ASep 12, 1978

Gas/liquid separator

KOBE INC25 citations80
US3960319AJun 1, 1976

Centrifugal separator

KOBE INC31 citations80
US4036427AJul 19, 1977

Combination pitot pump and centrifugal separator

KOBE INC27 citations79
US4227865AOct 14, 1980

Constant fluid film thickness hydrostatic thrust bearing

KOBE INC20 citations78
US4332521AJun 1, 1982

High speed jet rotating casing apparatus

KOBE INC7 citations74
US4299352ANov 10, 1981

Centrifuge apparatus

KOBE INC18 citations74
US4292011ASep 29, 1981

Turbo pump gas compressor

KOBE INC16 citations74
US4286185AAug 25, 1981

Oil drying system for motors

KOBE INC18 citations74
US4283005AAug 11, 1981

Pump and centrifugal separator apparatus

KOBE INC12 citations74
US4281962AAug 4, 1981

High pressure centrifugal pump

KOBE INC13 citations74
US4279571AJul 21, 1981

Pitot pump with fluid lubricated bearings

KOBE INC17 citations74
US4268281AMay 19, 1981

Method of removing particulate contaminants from a gas stream

KOBE INC13 citations74
US4260658AApr 7, 1981

Erosion resistant surface

KOBE INC8 citations74
US4249860AFeb 10, 1981

Pumping apparatus for fluids containing abrasive particulates

KOBE INC7 citations74

DRIP TAPE MANUFACTURERS & ENGI

3 patents

DRESSER IND

3 patents

ABBOTT LAB

2 patents

US HEALTH

2 patents

TIBOTEC PHARM LTD

2 patents

BOLTSWITCH INC

2 patents

BAKER INT CORP

1 patent

CONJUCHEM BIOTECHNOLOGIES INC

1 patent

US ARMY

1 patent

Showing the top 50 of 89 patents by PatentIndex Score.