http://www.freshpatents.com/Spring-devices-dtnewntc267.php USPTO Class 267 - Spring devices en-us Mon, 17 Jun 2013 13:34:41 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20130613ptan20130147099.php Mon, 17 Jun 2013 13:34:41 -0700 A pneumatic spring strut for a vehicle, having a working chamber which is at least partially enclosed by a pneumatic spring bellows and having a centrally arranged telescopic damper, wherein the pneumatic spring bellows is fastened to the pneumatic spring cover and to a pneumatic spring piston connected to the... http://www.freshpatents.com/-dt20130613ptan20130147100.php Mon, 17 Jun 2013 13:34:41 -0700 An air spring has a rolling-lobe flexible member terminating in a conically-shaped bead defining a conically-shaped opening of the flexible member. A-roll-off piston has an end facing toward the flexible member and has a conical seat formed thereon for receiving the bead of the flexible member to conjointly define therewith...