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

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...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.

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Examiner: Lewis, Tisha


Primary examiner statistics: 515 patents; average approval time: 516 days
Assistant examiner statistics: 248 patents; average approval time: 685 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
8177687 Power transmission device
8177682 Apparatus for improving vehicle fuel efficiency
8171822 Reducer and method of use thereof
8172714 Speed changing transmission apparatus
8167758 Drive axle assembly with gear mesh lubrication systems for lubric...
8167769 Gear and clutch arrangement for multi-speed transmission
8167774 Process for controlling a twin clutch
8166840 Twin clutch type speed change control system
8157694 Outboard motor
8157688 Multi-speed transmission with external drive gearsets
8152674 Auxiliary lubrication pump for carriers
8152689 Drive train as well as a method of operating a hydraulic pump of ...
8152675 Device for optimizing the feed function of the ring gear of a dif...
8147376 Construction vehicle
8147381 Clutch control system for saddle riding type vehicle
8141446 Speed changing transmission mechanism of sheet laminating apparat...
8136419 Bearing for a gearwheel which serves as a reversing gear and as a...
8127631 Rotor assembly including strain relief feature
8128530 Method for automatically controlling a neutral position and a par...
8123648 Eight speed automatic transmission
8123644 Traction-drive type driving-force transmission mechanism and imag...
8118706 Machine having a multiple-ratio transmission
8113977 Eight and nine speed automatic transmissions
8113987 Control device for hybrid vehicle drive apparatus
8113980 Gear and clutch arrangement for multi-speed transmission
8113988 Hydraulic control module for vehicle transmission and diagnostic ...
8113978 Nine speed automatic transmission
8105199 Outboard motor
8105205 Method and device for adjusting the friction coefficient of a fri...
8100803 Hydraulic clutch control mechanism for a multi-mode hybrid transm...
8096921 Integrated parking brake and clutch control system
8096916 Saddle type vehicle with forward/reverse changeover mechanism
8092341 Method of controlling continuous variable transmission
8088036 Drive control device for vehicle
8083642 Transmission apparatus
8083632 Eight-speed transmission
8070652 Method for overcoming tooth butt conditions when engaging gears i...
8070640 Fluctuating gear ratio limited slip differential
8066616 Control apparatus for vehicular automatic transmission
8057354 Method and system for controlling rate of change of ratio in a co...

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
6953412 Reversible one-way clutch for planetary transmission
6655227 Control device applied in a synchromesh-type transmission
6651529 Hydrostatic transmission
6652411 Multi-speed transmission family with three planetary gear sets an...
6648791 Family of multi-speed power transmission mechanisms having three ...
6648795 Transmission system for vehicle
6647816 Electrically actuated synchronizer for a vehicle transmission
6647827 Lightweight wave gear drive
6647817 Automatic transmission
6644138 Variable speed gear transmission
6645122 Control system for an automatic transmission
6645112 On-demand transfer case
6641499 Transmission
6641502 Apparatus for controlling a motor vehicle transmission
6638196 Shift control apparatus of automatic transmissions
6634982 Automatic speed changer controller, automatic speed changer contr...
6634247 Double-clutch transmission
6626791 Family of five-speed transmission mechanisms having three interco...
6626787 On-demand all-wheel drive system
6626056 Electronic-hydraulic control device for transmission of vehicles,...
6623394 Eddy current activation of a limited slip differential system
6620077 Work machine having a drive train with an enhanced braking mode
6620069 Power transfer unit
6616565 Differential gear designed for use in light-duty motor vehicles
6615682 Device and method for selecting a gutter of a transmission
6616575 Method and apparatus for operating a transmission coupled to an e...
6616577 Clutch control apparatus
6616573 Method and apparatus for eliminating power drainage in power sour...
6612966 Vehicle securing system
6609440 Structure of a variable transmission device
6609993 Planet carrier mechanism for a planetary gearset
6609992 Automotive alternator
6607461 Electrically driven actuator
6607464 Transmission, especially for wind power installations
6602159 On-demand transfer case with integrated sprocket and bi-direction...
6602160 Device for hydraulically controlling a continuously variable tran...
6602164 Torque control system and torque control method for hybrid vehicl...
6602161 Arrangement for operating the clutch in the power train of a moto...
6599215 Pre-charge control system of automatic transmission
6599217 Limited slip differential
 
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