Self-venting seal assembly

Single acting pump with double acting drive

Single-headed-piston type refrigerant compressor with means...

Slide-like drive means

Spherical coupling structure between a piston and a...

Static leak seal assembly for use in fluid containing machinery

Stone shield for air brake actuator with welded yoke

Swash plate type compressor having an improved piston rotation r

System for backup rod seal for hydraulic cylinder

Telescopic cylinder with increased lateral loading capacity

Utility pump

Vacuum booster device

Variable displacement swash plate type compressor

Vented static seal assembly

Vibration desensitizing piston wear ring for railroad car contro

Yieldably mounted lubricant control assemblies for piston rods

Yieldably mounted lubricant control assemblies for piston rods