Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Packaging & Containers
Class Information
Number: 166/170
Name: Wells > Brushing, scraping, cutting or punching-type cleaners
Description: Devices comprising means for cleaning well conduits or other devices in a well by brushing, scraping, cutting or punching.










Sub-classes under this class:

Class Number Class Name Patents
166/172 Bow spring type 12
166/176 On sucker rod 33
166/173 On tubing or casing 128
166/171 Perforation cleaners 12
166/175 Reciprocable relative to central member extending from well top 20
166/174 Retractable on support while lowering 30


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8596348 Downhole connector maintenance tool Dec. 3, 2013
8572792 Cleaning tool for a pipe Nov. 5, 2013
8534957 Cold assisted pipe splitting and bursting Sep. 17, 2013
8511375 Wellbore cleaning devices Aug. 20, 2013
8491727 Apparatus device for removing scale in a borehole installation Jul. 23, 2013
8408307 Wellbore cleaning method and apparatus Apr. 2, 2013
8376055 Shearing tool and methods of use Feb. 19, 2013
8376043 Downhole scraping and/or brushing tool and related methods Feb. 19, 2013
8356377 Reinforced cup for use with a pig or other downhole tool Jan. 22, 2013
8347446 Drainage structure cleaning tool Jan. 8, 2013
8066060 Portable down hole tool Nov. 29, 2011
8002037 Downhole cleaning tool and method of use Aug. 23, 2011
7950450 Apparatus and methods of cleaning and refinishing tubulars May. 31, 2011
7918283 Method and apparatus for a cold flow subsea hydrocarbon production system Apr. 5, 2011
7878238 Cleaning apparatus Feb. 1, 2011
7836947 Cleaning device for downhole tools Nov. 23, 2010
7754163 Pseudo-isothermal catalytic reactor Jul. 13, 2010
7681634 Apparatus for wiping the interior of pipes Mar. 23, 2010
7621327 Downhole seal bore repair device Nov. 24, 2009
7314083 Slow rotation fluid jetting tool for cleaning a well bore Jan. 1, 2008
7311141 Casing scraper Dec. 25, 2007
7121336 Well scrubber Oct. 17, 2006
7049436 Carbon dioxide compatible non-aqueous crosslinked fracturing fluids and methods for their use May. 23, 2006
6775872 Surface-traversing vehicle Aug. 17, 2004
6575239 Well cleaning tool Jun. 10, 2003
6546581 Casing scraper Apr. 15, 2003
6530429 Downhole cleaning tool with shear clutch Mar. 11, 2003
6523615 Electropolishing method for oil field tubular goods and drill pipe Feb. 25, 2003
6523612 Method and apparatus for cleaning wellbore casing Feb. 25, 2003
6455483 Well stimulation and formation purging composition Sep. 24, 2002
6343648 Down-hole tool with detachable cleaning pads Feb. 5, 2002
6302201 Method and apparatus for washing subsea drilling rig equipment and retrieving wear bushings Oct. 16, 2001
6227291 Compact well clean up tool with multifunction cleaning apparatus May. 8, 2001
6190090 Apparatus for use in a pipeline Feb. 20, 2001
6148921 Oil extracting installation incorporating manifold support mounting plates, and plate Nov. 21, 2000
6079498 Method and equipment for the flow of offshore oil production Jun. 27, 2000
6076603 Method for removal and treatment of paraffin Jun. 20, 2000
6032929 Arrangement in connection with a yoke in a hoisting system for a derrick Mar. 7, 2000
5884700 Interior coating of gas well tubing Mar. 23, 1999
5732774 Drill wiper assembly Mar. 31, 1998
5372191 Device for removing paraffin and other deposits from the internal surface of pipes Dec. 13, 1994
5267616 Process for running scrapers, particularly for subsea petroleum well lines Dec. 7, 1993
5238061 Apparatus for rotating a bit in a well Aug. 24, 1993
5168929 Method and apparatus for removal of oil well paraffin Dec. 8, 1992
5127125 Pipeline scraper Jul. 7, 1992
5113544 Pipeline pig May. 19, 1992
5058668 Rod guide bearing assembly for oil well pumping apparatus Oct. 22, 1991
5012866 Drill stem mud wiping apparatus May. 7, 1991
4937907 Cleaning plug assembly Jul. 3, 1990
4923011 Drill stem mud wiping apparatus May. 8, 1990

1 2










 
 
  Recently Added Patents
Optical navigation device with image sensor and inner housing
2,4-disubstituted pyrimidines useful as kinase inhibitors
Systems and methods for documenting medical findings of a physical examination
Method for releasing a locking in mobile terminal and mobile terminal using the same
Washing machine
Apparatus and method for storing event information for an HVAC system
Image processing unit, image processing method and program
  Randomly Featured Patents
E-O probe
Dynamically extending the speech prompts of a multimodal application
Coin sorting and calculating machine
High-order low-pass filter circuit and method
Disk processing apparatus
Aggregation system
Process for improved coupling of rubbery polymers
Thin film structure with controlled lateral thermal spreading in the thin film
Finned tubing having enhanced nucleate boiling surface
Timing belt with product handling mechanism