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Class Information
Number: 285/4
Name: Pipe joints or couplings > Frangible element > Score line or groove
Description: Subject matter including score lines or grooves whereby the size or angle of a piece may be varied prior to assembly by cutting or breaking along the line or groove.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7578308 |
Emergency shutoff valve for use in a fuel dispensing system |
Aug. 25, 2009 |
| 7472912 |
Tear-out coupling and water line |
Jan. 6, 2009 |
| 7467643 |
Fitting for fuel tanks |
Dec. 23, 2008 |
| 7316423 |
Fitting and pipe section for jetted bath heaters |
Jan. 8, 2008 |
| 7121557 |
Self-sealing pass-through plate |
Oct. 17, 2006 |
| 7100696 |
Disconnect for use in a wellbore |
Sep. 5, 2006 |
| 7097209 |
Sterile coupling |
Aug. 29, 2006 |
| 7080486 |
Pass-through firestop device |
Jul. 25, 2006 |
| 6799606 |
Drainage pipe covering kit for use during building or floor construction |
Oct. 5, 2004 |
| 6796478 |
Fuel cell adapter system for combustion tools |
Sep. 28, 2004 |
| 6739631 |
Torque-limiting bolt-and-nut assembly |
May. 25, 2004 |
| 6739628 |
Frangible hose connector |
May. 25, 2004 |
| 6694684 |
Pass through firestop device |
Feb. 24, 2004 |
| 6659126 |
Backflow preventor with adjustable outflow direction |
Dec. 9, 2003 |
| 6595243 |
Swimming pool plumbing water/debris barrier device and method |
Jul. 22, 2003 |
| 6582655 |
Insulation coverage system and method for inhibiting biological contamination |
Jun. 24, 2003 |
| 6565125 |
Coupling assembly for joining plastic and metal pipes |
May. 20, 2003 |
| 6520212 |
Protective end cap for tube end |
Feb. 18, 2003 |
| 6467506 |
Cooling system fully visible tester |
Oct. 22, 2002 |
| 6460860 |
Pipe seal for cast concrete |
Oct. 8, 2002 |
| 6457896 |
Breakaway coupling |
Oct. 1, 2002 |
| 6443495 |
Multiple level floor flange apparatus and associated method |
Sep. 3, 2002 |
| 6394992 |
Aseptic connection device |
May. 28, 2002 |
| 6378549 |
Fuel tank |
Apr. 30, 2002 |
| 6328344 |
Pipe fitting with improved fitting checker |
Dec. 11, 2001 |
| 6322108 |
Pipe fitting |
Nov. 27, 2001 |
| 6308734 |
Dry running coolant union |
Oct. 30, 2001 |
| 6257625 |
Flexible joint and long nut for flexible joint |
Jul. 10, 2001 |
| 6254140 |
Segmented flange including a shim |
Jul. 3, 2001 |
| 6206430 |
Connector and attachment mechanism for a lumen |
Mar. 27, 2001 |
| 6161873 |
Masonry lead-in fixture |
Dec. 19, 2000 |
| 6145887 |
Device for fast connection of a tube to a rigid element with anti-extraction ring and safety seal |
Nov. 14, 2000 |
| 6145886 |
Pipe connector connection checking assembly |
Nov. 14, 2000 |
| 6102626 |
Caisson wellhead system and method of installing the same |
Aug. 15, 2000 |
| 6088972 |
Concrete floor insert |
Jul. 18, 2000 |
| 6079897 |
Releasable lock for bearing assembly |
Jun. 27, 2000 |
| 6029981 |
Tube plug seal |
Feb. 29, 2000 |
| 5975585 |
Pipe coupling device |
Nov. 2, 1999 |
| 5954345 |
Grommet for transmission oil fill tube |
Sep. 21, 1999 |
| 5947527 |
Junction holder for connecting pipes with mechanical joints |
Sep. 7, 1999 |
| 5939675 |
Junction box and lid for electrical conduits |
Aug. 17, 1999 |
| 5931200 |
Connector system for attachment of flexible hose to PEX supply line |
Aug. 3, 1999 |
| 5915735 |
Repositionable flexible downspout extension |
Jun. 29, 1999 |
| 5899034 |
Asphalt based penetration pocket |
May. 4, 1999 |
| 5863077 |
Quick connector with snap-on frangible retainer |
Jan. 26, 1999 |
| 5839866 |
Mechanical overload protection device |
Nov. 24, 1998 |
| 5836619 |
Manually-severable coupling device, and medical infusion assembly including same |
Nov. 17, 1998 |
| 5813701 |
Repositionable flexible downspout extension |
Sep. 29, 1998 |
| 5806896 |
Fluid transport pipe joint |
Sep. 15, 1998 |
| 5772252 |
Pipe junction holder with a novel torque-limiting device |
Jun. 30, 1998 |
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