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

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Patent No. 5377411

Hair Cutting Appliance

A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.

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Examiner: Walker, Keith


Primary examiner statistics: 73 patents; average approval time: N/A
Assistant examiner statistics: 30 patents; average approval time: 77 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
8187764 Fuel cell with moisture retentive layer in MEA
8187760 Fuel cell system for repressing reservoir water backflow
8178235 Battery with cap plate having inclined edge
8173010 Method of dry reforming a reactant gas with intermetallic catalys...
8153321 Fuel cell system having switching fuel flow
8142935 Apparatus for producing a battery plate expanded grid
8129055 Fuel cell with anode exhaust recirculation means
8129074 Crosslinked nano-inorganic particle/polymer electrolyte membrane ...
8124298 Method of fabricating a chromium nitride coated separator
8119270 Lead acid battery with liquid sensor in lid
8119304 Fuel cell with fuel passage layer having a wiring pattern
8119284 Nickel-metal hydride battery
8114551 Porous structured body for a fuel cell anode
8101303 Lithium battery with lithium salt mixture
8101307 Fuel cell system with electrochemical anode exhaust recycling
8101306 Fuel cell system with fuel reforming units
8084158 Battery tab location design and method of construction
8080336 Alkaline dry battery
8062780 Film-covered electric device and method of manufacturing same
8057956 Fuel cell with fuel adjusting film
8053143 Supported ruthenium cathode catalyst for fuel cell
8048547 Biological fuel cells with nanoporous membranes
8048576 Power generator shut-off valve
8048554 Battery pack cooling system for vehicle
8039161 Metal halogen electrochemical cell system
8039150 Agglomerated zinc powder anode
8034512 Tubular fuel cell with coil current collector
8034509 Polymer electrolyte membrane with an inorganic backbone
8029946 Preconditioning treatment to enhance redox tolerance of solid oxi...
8017280 Metal fluid distribution plate with an adhesion promoting layer a...
8012641 Controlling the fuel concentration for a fuel cell
8003243 Spirally wound secondary battery with uneven termination end port...
7998634 Fuel cell with control process for reactant pressure and flow
7998637 Liquid fuel cell with a planer electrolyte layer
7998635 Fuel cell structure for gas supply
7993777 Lithium secondary battery
7981563 Direct carbon fuel cell with pre-wetted carbon particles
7981534 Rechargeable battery with flexibly connected vent plugs
7977011 Fuel stack structure with an adhesive layer
7968250 Fuel cartridge connectivity

Patents as Assistant Examiner

Patent No. Patent Title:
8158279 Separator configuration for a battery
RE42073 Micro electrochemical energy storage cells
7687162 Purging method of fuel cell system
7659018 Fuel cell power control unit
7651798 Fuel cell system with reformer response time correction
7632588 Electrochemical cell having gas flow channels surrounded by solid...
7622207 Fuel cell cartridge with reformate filtering
7615293 Fuel cell electrode with redox catalyst
7611797 Lithium secondary battery with safety device
7575825 Power supply system and control method of the same
7569298 Separator seal structure for a fuel cell
7553583 Systems and methods for constructing a battery pack
7514175 Anode can for battery and manufacturing method thereof
7488557 Electrode for lead-acid battery
7468219 Fuel cell
7459229 Reactant sealing for fuel cell stack
7445863 Fuel cell with helical structure
7445861 Method for detecting abnormality in fuel cell
7432005 Model-based feed-forward control system for power (or current) in...
7396605 Method and system for improving the performance of a fuel cell
7393612 Electrodes, alkaline secondary battery, and method for manufactur...
7378174 Fuel cell module
7368190 Miniature biological fuel cell that is operational under physiolo...
7368201 Box for set of electric storage batteries
7351487 Fuel cell
7297427 Fuel cell system and process for controlling the same
7285347 Anode-supported flat-tubular solid oxide fuel cell stack and fabr...
7247401 Method and apparatus for operating a fuel cell system
7220693 Fuel cell catalyst electrodes
7195831 Fuel cell and method of controlling the same
 
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