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Class Information
Number: 267/121
Name: Spring devices > Fluid > Expansible-contractible chamber device > Compound
Description: Spring device comprising (a) separate contractible-expansible chambers of which one is piston-modified and the other bellows or diaphragm modified, or (b) one such chamber and solid-material-spring means, other than for a mere piston-impetus purpose.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7510175 |
Assisting ejection device for hatch of hatchback |
Mar. 31, 2009 |
| 6926263 |
High center of gravity stable pneumatic isolator |
Aug. 9, 2005 |
| 6742680 |
Dispensing valve for fluids |
Jun. 1, 2004 |
| 5918862 |
High damping pneumatic isolator |
Jul. 6, 1999 |
| 5580032 |
Arrangement for a gas spring |
Dec. 3, 1996 |
| 5145039 |
Damper filled with oil |
Sep. 8, 1992 |
| 4941648 |
Shock absorbing device for vehicular seat |
Jul. 17, 1990 |
| 4763884 |
Apparatus for supporting a vibrating object |
Aug. 16, 1988 |
| 4705263 |
Fluid-filled bushing |
Nov. 10, 1987 |
| 4690388 |
Pneumatic vehicle suspension with failsafe internal stop |
Sep. 1, 1987 |
| 4667942 |
Pretensionable and hydraulically damped mounting element |
May. 26, 1987 |
| 4662791 |
Bumper assembly shock cell system |
May. 5, 1987 |
| 4623132 |
Gas spring counterbalance system |
Nov. 18, 1986 |
| 4513953 |
Gas spring with extension force controlled as a function of temperature |
Apr. 30, 1985 |
| 4482272 |
Load transfer and monitoring system for use with jackup barges |
Nov. 13, 1984 |
| 4309026 |
Gas spring |
Jan. 5, 1982 |
| 4245826 |
Resilient column of adjustable length |
Jan. 20, 1981 |
| 4145019 |
Support element for installation in the support assembly of a vertical electric machine |
Mar. 20, 1979 |
| 4121812 |
Elastomer stress damper with constructable orifice |
Oct. 24, 1978 |
| 4108046 |
Liquid-gas constant force recoil spring |
Aug. 22, 1978 |
| 4029305 |
Pneumatic vibration isolator and suspension system |
Jun. 14, 1977 |
| 3982738 |
Dash-pot arrangement for balance |
Sep. 28, 1976 |
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