Search Results for: Spark ignition reciprocating piston engines
tumbling (class / ) utilizing fluent abradant (class / ) glass or stone abrading (class / ) razor, knife, or scissors sharpening (class / ) gauge abrading (class / ) gear or worm abrading (class / ) drill, thread, thread cutter, reamer, or rotary cutter abrading (class / ) roll, roller, shaft, ball, or piston
/ ) abradant supplying (class / ) hollow work (class / ) cam (class / ) side face of disk (class / ) machine (class / ) combined (class / ) graining box (class / ) sandblast (class / ) scouring device (class / ) immersion (class / ) by use of plural work holders, without tool (class / ) rotary reciprocating...
https://patents.justia.com/patents-by-us-classification/451