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: Ham, Seungsook


Primary examiner statistics: 786 patents; average approval time: 785 days
Assistant examiner statistics: 560 patents; average approval time: 645 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
8115569 Monoblock dielectric multiplexer capable of processing multi-band...
8111115 Method of operation and construction of dual-mode filters, dual b...
8106728 Circuit structure and design structure for an optionally switchab...
8102222 Passive part
8100667 Turbomachinery disc
8093963 Laminated bandpass filter, high-frequency component and communica...
8085118 Inline cross-coupled coaxial cavity filter
8072298 Radio frequency filter
8063724 Self-matching band-pass filter and related frequency down convert...
8063723 Filter apparatus and method
8056227 Turbine blade having material block and related method
8049578 Air loaded stripline
8040203 Filter circuit and radio communication device
8035465 Cavity resonator, use of a cavity resonator and oscillator circui...
8031035 Circuit configuration
8026778 LC composite component
8022790 Composite right/left-handed line device
8018306 Resonator having a three dimensional defected ground structure in...
8018299 Band-pass filter circuit and multi-layer structure and method the...
8008994 Tunable capacitive input coupling
7994875 Tri-frequency duplexer circuit and multi-frequency duplexer circu...
7986199 Band pass filter
7971756 Filtering device and related wireless communication receiver
7969260 Variable radio frequency band filter
7944328 Low-pass filter
7898361 Antenna feed copling structure of a duplexer
7724514 Server chassis with access flap
7604332 Liquid ejection head and image forming apparatus comprising same
7561011 Dielectric device
7558496 Image forming device
7535428 Flat-aperture waveguide sidewall-emitting twist-reflector antenna
7518463 Circuit assembly with conical inductor
7495532 Systems and methods for blocking microwave propagation in paralle...
7489214 Low-pass filter
7486161 Reverse-phase cross coupling structure
7482898 Dielectric filter, dielectric duplexer, and communication apparat...
7479857 Systems and methods for blocking microwave propagation in paralle...
7479856 High-frequency filter using coplanar line resonator
7479846 Duplexer
7468643 Bandpass filter and wireless communications equipment using same

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5872491 Switchable N-way power divider/combiner
5828271 Planar ferrite toroid microwave phase shifter
5825261 Passive, aperiodic phase shifting and attenuating device for elec...
5815050 Differential delay line
5808527 Tunable microwave network using microelectromechanical switches
5770987 Coplanar waVeguide strip band pass filter
5739734 Evanescent mode band reject filters and related methods
5734307 Distributed device for differential circuit
5323128 Dielectric filter having inter-resonator coupling including both ...
5317293 Waveguide switch circuit with improved switching and tuning capab...
5317291 Microstrip filter with reduced ground plane
5293141 Dielectric filter having external connection terminals on dielect...
5280452 Power saving semsing circuits for dynamic random access memory
5278528 Air insulated high frequency filter with resonating rods
5278797 Semiconductor memory device capable of executing non-periodic ref...
5274347 Coaxial fitting for microwave devices
5274346 Integrated LC filter
5274598 Semiconductor memory having improved sensing arrangement
5270671 Negative slope phase skewer
5268659 Coupling for dual-mode resonators and waveguide filter
5266911 Multiplexing system for plural channels of electromagnetic signal...
5256990 Compact, die-cast precision bandstop filter structure
5254963 Microwave filter with a wide spurious-free band-stop response
5253206 Electrically erasable programmable read-only memory with threshol...
5252934 Microwave delay assembly
5250915 Laminate type LC filter
5251172 Semiconductor memory apparatus having reduced amount of bit line ...
5251179 Apparatus and method for extending battery life
5250916 Multi-passband dielectric filter construction having filter porti...
5248949 Flat type dielectric filter
5247267 Utilizing thermal conductors to increase operating power of coaxi...
5245581 Semiconductor memory device with rapid sense amplification
5245300 Intermediate frequency filter having a ceramic filter
5243308 Combined differential-mode and common-mode noise filter
5241291 Transmission line filter having a varactor for tuning a transmiss...
5241505 Read only memory device with high speed data output unit
5239279 Ceramic duplex filter
5239280 Dielectric filter having inductive input/output coupling
5235296 Directional coupler using a microstrip line
5235298 Temperature compensated stripline filter for microwaves
 
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