Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/246.13
Name: Fluid handling > With cleaner, lubrication added to fluid or liquid sealing at valve interface > Liquid supplied at valve interface > Feed by or with actuation
Description: Valves wherein the feed means is actuated by the valve actuator or is so interrelated therewith that feeding of sealing liquid is dependent on valve actuation.

Patents under this class:

Patent Number Title Of Patent Date Issued
6164930 Apparatus for regulating flow of a pumped substance Dec. 26, 2000
6099275 Biased open suction valve Aug. 8, 2000
4651769 Lubricated water valve Mar. 24, 1987
4262690 High pressure stem packing for gate valves Apr. 21, 1981

  Recently Added Patents
Micromechanical component, device for beam deflection of monochromatic light, and spectrometer
Video recording and playing apparatus and its control method
Snap-engagement structure
Semiconductor chip, stack module, and memory card
Triazole derivatives as ghrelin analogue ligands of growth hormone secretagogue receptors
Fingerprinting apparatus, system, and method
Stopper, motor, and disk drive apparatus
  Randomly Featured Patents
Martial arts practice dummy
Three-dimensional display
Light-emitting devices with improved active-region
Lactase formulation
Work holder for attachment to a step ladder
Skew tolerant high-speed digital phase detector
Needle cap for a medication administration device
Process for the preparation of organic silicon compounds
Exposure method and apparatus