U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Examiner: Freay, Charles G.


Primary examiner statistics: 2956 patents; average approval time: 2954 days
Assistant examiner statistics: 437 patents; average approval time: 538 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
7520735 Nested bellows expansion member for a submersible pump
7476087 Pump controller for precision pumping apparatus
7462019 Implantable centrifugal blood pump with hybrid magnetic bearings
7458783 Method and apparatus for improved pumping medium for electro-osmo...
7458784 Suitcase style air compressor assembly
7458787 Apparatus and method for reducing gas lock in downhole pumps
7454892 Systems and methods for detection and control of blowout precurso...
7448857 Fluid pump and cartridge
7445435 Double-acting reciprocating downhole pump
RE40554 Capacity modulated scroll machine having one or more pin members ...
7441399 Gas turbine, combined cycle plant and compressor
7438536 Compressors including a plurality of oil storage chambers which a...
7438535 Structure of ejector pump
7435059 Flow controlled blood pump system
7435060 Compressor
7435063 Compressor, method for manufacturing the compressor, defroster of...
7435062 Compressor, method for manufacturing the compressor, defroster of...
7431569 Pump health monitoring
7419366 Apparatus for storage of potential energy
7419368 Air circulation device
7415828 Fuel nozzle sheath retention ring
7413416 Progressing cavity pump
7413412 Vacuum micropump and gauge
7413414 Air compressor assembly
7413411 Electronically controlled vacuum pump
7413415 Reciprocating electromagnetic micro-pump, particularly for small ...
7410347 Reciprocating fluid pump assembly employing reversing polarity mo...
7404701 Refrigerating system having reciprocating compressor
7404703 Air pump with apparatus to hold nozzle
7404287 Gas turbine, combined cycle plant and compressor
7396216 Submersible pump assembly for removing a production inhibiting fl...
7396213 Oil utilized as motor protector trip for scroll compressor
7393189 Surgical cassette having an aspiration pressure sensor
7390172 Assembly used for cooling a circuit board or similar
RE40400 Capacity modulated scroll machine
7390178 Compressor
7390176 Multi-port suction reed valve with optimized tips
7387498 System and method for noise attenuation of screw compressors
7387499 System and method for testing the operation of a cooling fan
7387500 Hydro elastic pump which pumps using non-rotary bladeless and val...

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5771695 Method and apparatus for overcoming turbo lag
5616020 Rotary vane pump
5509394 Internal combustion engine with supercharger
5482441 Liquid flow control system
5478222 Fluid pump having a pressure sealed motor chamber
5474429 Fluid-displacement apparatus especially a blower
5472329 Gerotor pump with ceramic ring
5470210 Product filling assembly
5470209 Offset reciprocable device
5468129 Peristaltic pump
5468132 Water turbines
5466136 Scroll compressor having a gas liquid separator
5466138 Expansible and contractible chamber assembly and method
5466129 Valved discharge mechanism of a refrigerant compressor
5466135 Rotary vane-cell pump
5464269 Upholstered furniture and movable headrest
5462414 Liquid treatment apparatus for providing a flow of pressurized li...
5462420 Gear pump
5460495 Screw rotor for fluid handling devices
5456582 Compressor inlet valve with improved response time
5456585 Positive displacement fluid motor with flexible blades
5456584 Scroll type compressor with refrigerant gas passage in balance we...
5454699 Wobble pump
5454700 Bearing support for a lysholm compressor
5454702 Invalute gearset
5454701 Screw compressor with rotors having hyper profile
5452998 Non-contact vane-type fluid displacement machine with suction flo...
5452992 Tubular shaft for a tubular-type pump
5452996 Position-independent rotary piston internal combustion engine
5452997 Rotary device with thermally compensated seal
5451149 Rotor cooling of rotary engines
5448982 Intake system for an internal combustion engine with a supercharg...
5447421 Hydraulic generator-receiver for power transmission, comprising a...
5444980 Electronic control system for a variable geometry turbocompressor...
5442920 Altitude compensation for spark-ignited turbocharged internal com...
5443374 Motor driven fluid compressor
5443375 Trochoidal piston construction
5443376 Lubricating device for horizontal type rotary compressor
5440879 Electronic control system for the speed of rotation of a variable...
5440880 Diesel engine EGR system with exhaust gas conditioning
 
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