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Class Information
Number: 285/390
Name: Pipe joints or couplings > Screw
Description: Subject matter comprising screw threads at the coupling interface.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7588270 |
Threaded tubular joint comprising sealing surfaces |
Sep. 15, 2009 |
| 7588269 |
Z-shaped thread form for tubular connections |
Sep. 15, 2009 |
| 7578043 |
Coupling tubulars |
Aug. 25, 2009 |
| 7571936 |
Screw connection element and protective sleeve therefor |
Aug. 11, 2009 |
| 7549682 |
Threaded pipe connector |
Jun. 23, 2009 |
| 7530370 |
Marine valve adapter |
May. 12, 2009 |
| 7527304 |
Floating wedge thread for tubular connection |
May. 5, 2009 |
| 7510219 |
Threaded connection for oil field applications |
Mar. 31, 2009 |
| 7506901 |
Resilient locking connection |
Mar. 24, 2009 |
| 7478842 |
Coupled connection with an externally supported pin nose seal |
Jan. 20, 2009 |
| 7475917 |
Threaded connection with variable flank angles |
Jan. 13, 2009 |
| 7472927 |
Tubular member having an anti-galling coating |
Jan. 6, 2009 |
| 7469938 |
Threaded connection especially for radically plastically expandable conduit |
Dec. 30, 2008 |
| 7470383 |
Submersible pump drop pipe and casing assembly connection and method of manufacture |
Dec. 30, 2008 |
| 7464449 |
Method of forming a high-strength sealed connection for expandable tubulars |
Dec. 16, 2008 |
| 7458617 |
Composite drill pipe |
Dec. 2, 2008 |
| 7458613 |
Rotatable fire sprinkler fitting |
Dec. 2, 2008 |
| 7455329 |
Fast make-up fatigue resistant rotary shouldered connection |
Nov. 25, 2008 |
| 7431347 |
Hollow sucker rod connection with second torque shoulder |
Oct. 7, 2008 |
| 7425024 |
Submersible pump drop pipe and casing assembly connection and method of manufacture |
Sep. 16, 2008 |
| 7347459 |
Coupling for drilling-with-casing operations |
Mar. 25, 2008 |
| 7334821 |
Premium threaded tubular joint comprising at least a threaded element with end lip |
Feb. 26, 2008 |
| RE39869 |
High efficiency drill pipe |
Oct. 9, 2007 |
| 7261326 |
Submersible pump drop pipe and casing assembly connection and method of manufacture |
Aug. 28, 2007 |
| 7237810 |
Plastic pipe adhesive joint |
Jul. 3, 2007 |
| 7210710 |
Drill stem connection |
May. 1, 2007 |
| 7108296 |
Fluid quick connector for threaded fluid components |
Sep. 19, 2006 |
| 7077955 |
Joint used in one of a water inlet or water outlet of a filter cylinder or a filter casing |
Jul. 18, 2006 |
| 7017951 |
Strengthened pipe fitting having encapsulated reenforcing collar |
Mar. 28, 2006 |
| 7014223 |
Screw threaded joint for continuous-profile tubes |
Mar. 21, 2006 |
| 7007984 |
Hang-free thread design |
Mar. 7, 2006 |
| 6997264 |
Method of jointing and running expandable tubulars |
Feb. 14, 2006 |
| 6991267 |
Assembly of hollow torque transmitting sucker rods and sealing nipple with improved seal and fluid flow |
Jan. 31, 2006 |
| 6981723 |
Threaded attachment |
Jan. 3, 2006 |
| 6976711 |
Threaded connection especially for radially plastically expandable conduit |
Dec. 20, 2005 |
| 6971685 |
Multi-point high pressure seal for expandable tubular connections |
Dec. 6, 2005 |
| 6971681 |
Threaded pipe with surface treatment |
Dec. 6, 2005 |
| 6957834 |
Threaded joint for pipes |
Oct. 25, 2005 |
| 6921110 |
Threaded joint for tubes |
Jul. 26, 2005 |
| 6905150 |
Threaded pipe joint |
Jun. 14, 2005 |
| 6899356 |
Tubular connection floating shoulder ring |
May. 31, 2005 |
| 6866298 |
Toilet valve quick connect system |
Mar. 15, 2005 |
| 6851727 |
Threaded pipe joint |
Feb. 8, 2005 |
| 6848724 |
Thread design for uniform distribution of makeup forces |
Feb. 1, 2005 |
| 6843508 |
Hydraulic device |
Jan. 18, 2005 |
| 6827996 |
Threaded joint for steel pipes and process for the surface treatment thereof |
Dec. 7, 2004 |
| 6817633 |
Tubular members and threaded connections for casing drilling and method |
Nov. 16, 2004 |
| 6764108 |
Assembly of hollow torque transmitting sucker rods |
Jul. 20, 2004 |
| 6756092 |
Surface treated steel material, a method for its manufacture, and a chemical conversion treatment liquid |
Jun. 29, 2004 |
| 6755447 |
Production riser connector |
Jun. 29, 2004 |
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