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Class Information
Number: 251/149.6
Name: Valves and valve actuation > With correlated flow path > Valve operated by joining flow path sections > Joining motion includes linear valve operating component > Motion opposed by valve spring
Description: Subject matter wherein the closing-element is spring biased and this spring opposes the linear component of motion.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6298886 |
Dispensing tool assembly for evacuating and charging a fluid system |
Oct. 9, 2001 |
| 6299132 |
Reflux valve |
Oct. 9, 2001 |
| 6296228 |
Service device |
Oct. 2, 2001 |
| 6283443 |
Chuck and tube joint |
Sep. 4, 2001 |
| 6279874 |
Coupling for hoses or the like |
Aug. 28, 2001 |
| 6273397 |
Air conditioner access and service fittings |
Aug. 14, 2001 |
| 6269837 |
Rechargeable dispensing system |
Aug. 7, 2001 |
| 6257278 |
High pressure fluidline connector |
Jul. 10, 2001 |
| 6250603 |
Adjustable device for opening service valves |
Jun. 26, 2001 |
| 6237631 |
Low spill quick disconnect coupling |
May. 29, 2001 |
| 6237891 |
Adaptor for use of alternate gas fuel |
May. 29, 2001 |
| 6234450 |
Connectors and valves |
May. 22, 2001 |
| 6227237 |
Hose storage and drainage apparatus |
May. 8, 2001 |
| 6220570 |
Plug-in connection with leakage protection |
Apr. 24, 2001 |
| 6206344 |
Oil drain plug for oil storage vessel and oil drain device using same |
Mar. 27, 2001 |
| 6202982 |
Device for coupling an appliance to a cartridge of pressurized fluid |
Mar. 20, 2001 |
| 6202717 |
Dispensing bottle closure |
Mar. 20, 2001 |
| 6178999 |
Fuel supply adapter |
Jan. 30, 2001 |
| 6176263 |
Circuit breaker for pressurized-fluid handling installation |
Jan. 23, 2001 |
| 6168137 |
Swabbable check valve |
Jan. 2, 2001 |
| 6158716 |
Lateral connector for tube assembly |
Dec. 12, 2000 |
| 6158717 |
Quick-action fluid coupling |
Dec. 12, 2000 |
| 6145322 |
Cryogenic coupler |
Nov. 14, 2000 |
| 6145539 |
Balanced coupling with pressure bleed |
Nov. 14, 2000 |
| 6142446 |
Medical adapter having needleless valve and sharpened cannula |
Nov. 7, 2000 |
| 6129334 |
Pipe coupling socket |
Oct. 10, 2000 |
| 6126142 |
Fluid drain device |
Oct. 3, 2000 |
| 6113068 |
Swabbable needleless injection port system having low reflux |
Sep. 5, 2000 |
| 6105601 |
Inflation device comprising a connection head compatible with inflation valves of U.S. type and French type |
Aug. 22, 2000 |
| 6106503 |
Catheter valve |
Aug. 22, 2000 |
| 6102063 |
Air pump valve head for gripping both schrader and presta valves |
Aug. 15, 2000 |
| 6102062 |
Quick connect/disconnect valve |
Aug. 15, 2000 |
| 6095190 |
Coupling with female half having internal pressure relief |
Aug. 1, 2000 |
| 6089268 |
Dual valve fitting for enabling quick measurement of pressure |
Jul. 18, 2000 |
| 6089541 |
Valve having a valve body and a deformable stem therein |
Jul. 18, 2000 |
| 6089540 |
Plug-in connection with leakage protection |
Jul. 18, 2000 |
| 6070854 |
Dual valve fitting for enabling quick measurement of pressure |
Jun. 6, 2000 |
| 6068011 |
Control of fluid flow |
May. 30, 2000 |
| 6062537 |
Fast pipe joint |
May. 16, 2000 |
| 6050298 |
Safety circuit breaker for pressurized-fluid handling installation |
Apr. 18, 2000 |
| 6050544 |
Valve coupling device forming metal-to-metal seal |
Apr. 18, 2000 |
| 6039303 |
High pressure fluidline connector |
Mar. 21, 2000 |
| 6029698 |
Air regulator valve for ventilated cage and rack system |
Feb. 29, 2000 |
| 6027097 |
Water stop hose connector |
Feb. 22, 2000 |
| 6016835 |
Hydraulic quick disconnect coupling |
Jan. 25, 2000 |
| 6009902 |
Dual valve fitting for enabling quick measurement of pressure |
Jan. 4, 2000 |
| 5988705 |
Quick connect coupling |
Nov. 23, 1999 |
| 5984265 |
Hose coupling |
Nov. 16, 1999 |
| 5983964 |
Method and apparatus for coupling with a spout |
Nov. 16, 1999 |
| 5983920 |
Combination pump head with slotted camming device |
Nov. 16, 1999 |
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