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Class Number Class Name Patents
137 Fluid handling 87,088
405 Hydraulic and earth engineering 35,790
438 Semiconductor device manufacturing: process 374,693
  Recently Added Patents
Identification of biomarkers in biological samples and methods of using same
Mobile terminal including stellar body watching hookup communications function
Wind farm, wind power plant in a wind farm and operating control for this purpose
Wire catalyst for hydrogenation/dehydrogenation reaction and manufacturing method therefor
Polypropylene bottles
Shield for vacuum circuit breaker
Candle holder
  Randomly Featured Patents
Hydraulic pilot operated directional control valve
Semiconductor device including a plurality of fuse elements and attenuation members between or around the plurality of fuse elements
Down hole drilling fluid heating apparatus and method
Vehicle-tire-state detection/communication apparatus and tire-data communication apparatus
Weapon protection device
Methods and systems of determining bearing when ADS-B data is unavailable
Preventing dosage drift with duplicate dose integrators
Support structure of motor-driven steering assist apparatus
Apparatus for the wet processing of photographic sheet material
Method and apparatus for developing resist