143474 ⎘
Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type
Sub-classes:WATER-COOLING SYSTEM WITH IMPROVED COOLING EFFICIENCY AND INJECTION MOLDING APPARATUS INCLUDING SAME
#2PARTICLE ADJUSTING DRILLING ASSEMBLY AND METHOD
#3Particle adjusting drilling assembly and method
#4Sealing In Helical Trochoidal Rotary Machines
#5Sealing in helical trochoidal rotary machines
#6Engine driven welder
#7Oil-injected multi-stage compressor system and procedure for controlling such a compressor system
#8Helical trochoidal rotary machines with offset
#9Sealing in helical trochoidal rotary machines
#10Rotary screw compressor
#11Thrust runner vibration dampening spring in electrical submersible pump
#12VACUUM-PUMP ROTOR