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

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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!

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Examiner: Dougherty, Thomas M.


Primary examiner statistics: 2371 patents; average approval time: 2370 days
Assistant examiner statistics: 242 patents; average approval time: 644 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
7999436 Electroacoustic component
7928636 Receiving sleeve for an actuator body
7808158 Flow driven piezoelectric energy harvesting device
7791254 Hybrid ultrasound transducer
7589455 Capacitive micromachined ultrasonic transducer and production met...
7535151 Single phase unidirectional surface acoustic wave transducer and ...
7525240 Electronic component
7525236 Piezoelectric element unit, manufacturing method of the same, and...
7508114 Ultrasonic motor
7497558 Piezoelectric actuator and liquid-droplet jetting head
7481519 Actuator device and liquid-jet head
7471032 Shock resistant and mode mixing resistant torsional hinged device
7459837 Broadband energy harvester apparatus and method
7456545 Method for determining the activation voltage of a piezoelectric ...
7456551 Packaging and integration system for micro sensors in the marine ...
7456547 Ultrasonic motor
7453186 Cantilever driven transduction apparatus
7453189 Piezoelectric transformer
7453187 Piezoelectric micro-transducers, methods of use and manufacturing...
7449820 Surface mount type crystal device
7449819 Knock sensor
7449817 Actuator and method of manufacturing actuator module
7449815 Actuator
7449812 Electroacoustic transducer for a surface wave operating component
7446460 Piezoelectric device
7446455 Thin film elastic wave resonator
7446453 Surface acoustic wave devices using surface acoustic waves with s...
7446451 Systems and methods for converting heat to electrical power
7443081 Multi-frequency transmission/reception apparatus
7443079 Method and apparatus for cavitation threshold characterization an...
7443084 Means for being electrically connected an electrode of a piezo-el...
7443083 Piezoelectric powered vehicles and motors
7439658 Piezoelectric vibrator, oscillator, electronic part, electronic a...
7439656 Method for designing ultrasonic transducers with acoustically act...
7439649 Acoustic wave device and method of manufacturing acoustic wave de...
7436105 Package structure for surface acoustic wave device, and surface a...
7436103 Variable inductor element and mobile wireless apparatus
7436104 Non-linear piezoelectric mechanical-to-electrical generator syste...
7436106 Piezoelectric device
7432637 Piezoelectric drive device and liquid discharging device

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5391973 Method of charging a multiplicity of batteries
5365140 Piezoelectric actuator having strain gage
5352968 Battery charge state determination
5338999 Piezoelectric lead zirconium titanate device and method for formi...
5331269 Standby control for electromagnet
5327040 Ultrasonic motor with a vibrating body and a moving body driven t...
5323081 Surface acoustic wave device clamped within housing
5307001 Battery charging method and apparatus
5306979 Multiplexing incremental linear actuator system
5304917 Compact low noise low power dual mode battery charging circuit
5304916 Battery charger
5302879 Temperature/reference package, and method using the same for high...
5302880 Piezoelectric tuning fork resonator and method of manufacturing t...
5300737 Tubular linear motor driven elevator
5300851 Linear-type actuator
5298829 Vibration wave driven motor
5298851 Multiple application voltage regulator system and method
5296772 Ventilated brush holder
5294860 Piezoelectric filter
5294861 Ultrasonic probe
5293095 Air pressure variation detector
5288956 Self running type elevator system using linear motors
5287033 Vibrating surface gyroscopes
5285369 Switched mode power supply integrated circuit with start-up self-...
5285027 Hydraulic elevator and a control method thereof
5283727 Independent control of the AC line current and output DC voltage ...
5283513 Battery charging device for electric vehicles
5281774 Drive control unit for hydraulic elevator
5281884 Adjustable X-Y stage
5281887 Two independent spatial variable degree of freedom wavefront modu...
5281883 Surface acoustic wave device with improved junction bonding and p...
5276292 Operation check device of dynamic brake circuit for elevator
5276293 Tubular linear motor primary element
5274293 Piezoelectric filter
5270604 Tandem field alternator having an improved coil and slip ring con...
5270606 Processing robust acoustic reflectors
5270636 Regulating control circuit for photovoltaic source employing swit...
5268610 Acoustic ink printer
5268611 Anisotropic transducer
5268629 Electrical appliance with battery charging capability and connect...
 
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