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Patents
Lubrication Patents
Lubricators Patents
Force Feed
Followers
Followers
Mechanically operated (Class 184/37)
Hand-operated (Class 184/38.1)
Follower rod threaded to receptacle (Class 184/38.2)
Follower threaded to receptacle (Class 184/38.3)
Follower threaded to rod (Class 184/38.4)
Fluid-operated (Class 184/39)
Cyclical-type metered injector (Class 184/39.1)
Fluid return (Class 184/40)
Spring-assisted (Class 184/41)
Spring return (Class 184/42)
Centrifugal (Class 184/43)
Pendulum-operated (Class 184/44)
Spring-operated (Class 184/45.1)
Spiral spring (Class 184/45.2)
Weight-operated (Class 184/46)
Balance piston (Class 184/47)
Locking devices (Class 184/48.1)
Friction type (Class 184/48.2)
There are no patents to show for this class.