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Class Information
Number: 251/902
Name: Valves and valve actuation > Springs employed as valves
Description: Art collection drawn to springs used as valves.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7399169 |
Compressor |
Jul. 15, 2008 |
| 6983924 |
Compliant, ortho-planar, linear motion spring |
Jan. 10, 2006 |
| 6957666 |
Spring valve implemented flow control valves |
Oct. 25, 2005 |
| 6892760 |
Self closing coupling |
May. 17, 2005 |
| 6817374 |
Check valve |
Nov. 16, 2004 |
| 6749176 |
Elliptical valve with nominal flow adjustment |
Jun. 15, 2004 |
| 6705585 |
Multi-purpose valve |
Mar. 16, 2004 |
| 6668849 |
Check valve |
Dec. 30, 2003 |
| 6557827 |
Leaf spring valve |
May. 6, 2003 |
| 6382593 |
Fluid coupling |
May. 7, 2002 |
| 6120004 |
Variable capillary apparatus for hydrostatic bearing and motion error compensating method using same |
Sep. 19, 2000 |
| 5931375 |
Valve for a system having an energy-carrying medium |
Aug. 3, 1999 |
| 5577533 |
Flexured shaft poppet |
Nov. 26, 1996 |
| 5551723 |
Pulse shaping for airbag inflators |
Sep. 3, 1996 |
| 5477883 |
Self-sealing bag valve |
Dec. 26, 1995 |
| 5415202 |
Multistage variable area throttle valve |
May. 16, 1995 |
| 5415201 |
Multi-stage fluid flow control device |
May. 16, 1995 |
| 5335862 |
Discharge nozzle for a liquid filling assembly |
Aug. 9, 1994 |
| 5303738 |
Control valve |
Apr. 19, 1994 |
| 5285805 |
Stretch valve method and apparatus |
Feb. 15, 1994 |
| 5267979 |
Pressure responsive valve catheter |
Dec. 7, 1993 |
| 4905798 |
Shock absorber |
Mar. 6, 1990 |
| 4858644 |
Fluid flow regulator |
Aug. 22, 1989 |
| 4778104 |
Temperature responsive line valve |
Oct. 18, 1988 |
| 4746105 |
Filters and valves |
May. 24, 1988 |
| 4728088 |
Helically wound bushing |
Mar. 1, 1988 |
| 4714087 |
Fuel additive proportioning apparatus and method |
Dec. 22, 1987 |
| 4700746 |
Control valve for high pressure fluids |
Oct. 20, 1987 |
| 4549717 |
Heat responsive valve |
Oct. 29, 1985 |
| 3973631 |
Method and device for extinguishing fires in oil wells |
Aug. 10, 1976 |
| 3957083 |
Pressure sensitive regulating valve |
May. 18, 1976 |
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