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

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Patent No. 5265827

Paddle Wheel Plane

An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.

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Examiner: McAndrews, Jr., Roland G.


Primary examiner statistics: 3 patents; average approval time: 581 days
Assistant examiner statistics: 276 patents; average approval time: 570 days

Patents as Primary Examiner

Patent No. Patent Title:
5678983 Discharge fluid actuated assist for opening an outlet reed valve ...
5676526 Method of eliminating bubbles in a medical centrifugal pump using...
5655898 Reed valve arrangement for a reciprocating compressor

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5833440 Linear motor arrangement for a reciprocating pump system
5823753 Metal reinforced pump cover of an electrically driven air pump
5674055 Piston sealing arrangement for a sampling pump system
5672053 Compressor reed valve with valve plate channel
5662460 Downhole pneumatic pump with variable bouyant actuator
5660534 Rotating plunger for sucker rod pump
5660530 Pump system for biasing seals of a centrifugal pump
5655885 Reciprocating piston pump with modular fluid subassembly
5655890 Toy pump device
5653582 Fluid bearing pad arrangement for liquid ring pump systems
5653584 Motor/pump mounting arrangement for a vertically mounting high pr...
5651665 Adjustable relief valve arrangement for a motor vehicle power ste...
5649468 Swash plate type hydraulic motor having offset swash plate pivot ...
5649808 Motor passive direction indicator and reversal alarm
5649809 Crankshaft and piston rod connection for a double diaphragm pump
5647728 Liquid ring machine having pivoted outer housing
5645407 Balanced single stage linear diaphragm compressor
5641275 Grooved shaft for a magnetic-drive centrifugal pump
5639226 Portable, battery operated air pump
5639221 Liquid ring compressor with side shield located inlet separator
5639218 High pressure water pump system having a reserve booster pump
5639229 Fuel injection pump having a two piston spill valve arrangement
5636975 Inlet and discharge valve arrangement for a high pressure pump
5636973 Crank chamber pressure controlled swash plate compressor with suc...
5636974 Reciprocating piston type compressor with an oil separator for re...
5634776 Low noise hydraulic pump with check valve timing device
5634774 Road vehicle-actuated air compressor
5632191 Piston roller alignment configuration for a radial piston mechani...
5632607 Piston and valve arrangement for a wobble plate type pump
5630643 Upholstered chair with two-piece shell
5628623 Fluid jet ejector and ejection method
5628624 Pump barrel valve assembly including seal/actuator element
5626468 Skid for compressor
5622479 Composite device for a fluid system of a vehicle
5622484 Valve arrangement for a condiment dispensing system
5622483 Motor end cover located resilient mount for a motor pump unit
5618164 Liquid ring compressor with plural after-cooler elements
5616007 Liquid spray compressor
5616012 Ammonia pump
5613835 Flow control apparatus for a water powered sump pump
 
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