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Class Information
Number: 137/15.07
Name: Fluid handling > Processes > Cleaning, repairing, or assembling > Mechanical cleaning (e.g., pig, etc.)
Description: Subject matter comprising an internally movable element consisting of a brush, scraper, inflatable ring, or similar means used for removing undesirable material from the system.










Patents under this class:

Patent Number Title Of Patent Date Issued
8684022 Condensate drain clearing device and method Apr. 1, 2014
8684023 Roddable direct mount manifold for primary flow element Apr. 1, 2014
8522807 Arrangement and method for unloading raw material Sep. 3, 2013
8225809 Methods and apparatus for introducing a pig into a fluid system Jul. 24, 2012
8074672 Inertially activated ejection valve Dec. 13, 2011
7918283 Method and apparatus for a cold flow subsea hydrocarbon production system Apr. 5, 2011
7445018 Recycling furnace flow management sliding gate valve for low melting temperature metals Nov. 4, 2008
7368139 Aseptic processing system for fruit filling May. 6, 2008
7311114 Cross-line plugging system Dec. 25, 2007
7178418 Segment of a sensor-supporting element for a scraper-type device Feb. 20, 2007
7028701 Particle build-up prevention in flowing systems Apr. 18, 2006
6945268 Particle build-up prevention in flowing systems Sep. 20, 2005
6418960 Ultrasonic enhancement for solvent purge of a liquid delivery system Jul. 16, 2002
6240946 Switch valve Jun. 5, 2001
6206021 Sleeve valve with clean out section Mar. 27, 2001
6200068 Hot tap fluid blaster apparatus and method of using same Mar. 13, 2001
6161563 Plumbing tool Dec. 19, 2000
5954066 Method for controlling chemical reaction Sep. 21, 1999
5740830 Testing of plumbing installations Apr. 21, 1998
4989631 Valve device with control sleeve and check valve Feb. 5, 1991
4938246 Cleaning tool for a valve manifold Jul. 3, 1990
4899776 Method and apparatus for emergency disconnection of a fluid petroleum product transfer arm Feb. 13, 1990
4391289 Check valve for rod out Jul. 5, 1983
4314577 Installation, hydrostatic testing, repair and modification of large diameter fluid transmission lines Feb. 9, 1982
4073303 Oil field pig launcher and receiver Feb. 14, 1978
4003393 Gel-like composition for use as a pig in a pipeline Jan. 18, 1977











 
 
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